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2014-05-13libihash: use fast binary scaling to determine the loadJustus Winter
Expressing the maximum load in binary percent (where 128b% corresponds to 100%) allows us to use fast binary scaling to determine if the maximum load has been reached without losing precision. Furthermore, the previously used expression 'ht->nr_items * 100' overflows int at 2^25 (unsigned int at 2^26). When a hash table reached that limit, it would fail to resize and fill up the table. This change fixes that. * libihash/ihash.c (hurd_ihash_set_max_load): Update the comment. (hurd_ihash_add): Use fast binary scaling to determine the current load. * libihash/ihash.h (struct hurd_ihash): Update comment for max_load. (hurd_ihash_set_max_load): Update the comment.
2014-05-13libihash: use linear probing and fast modulo operationJustus Winter
libihash uses open addressing. Previously, quadratic probing in both directions was used to resolve collisions. Quadratic probing might result in a less efficient use of caches. Also, prime numbers of the form 4 * i + 3 were used as array sizes. This was used in combination with the integer modulo operation for hashing. It has been known for some time that libihash suffers from collisions, so a integer hash function is now applied to the keys to derive the index. Use linear probing instead. Also, use powers of two for the array sizes, so a bit mask can be used for the modulo operation. * libihash/ihash.c (ihash_sizes, ihash_nsizes): Remove. (find_index): Use linear probing and fast modulo operation. (add_one): Likewise. * libihash/ihash.h (HURD_IHASH_MIN_SIZE): New macro.
2014-05-13libihash: use an integer hash function on the keysJustus Winter
Use an integer hash function to derive the index from the key. This should reduce the number of collisions. * libihash/ihash.c (hash_int32): New function. (find_index): Use hash_int32 on the key to derive the index. (add_one): Likewise.
2014-05-13libihash: fix type of max_loadJustus Winter
Previously, int was used for the field max_load of struct hurd_ihash. There is no reason for this as far as I can tell. Furthermore, hurd_ihash_set_max_load takes an unsigned int max_load. * libihash/ihash.h (struct hurd_ihash): Use unsigned int for field max_load.
2014-05-13libihash: reduce the default maximum load factor to 75%Justus Winter
The performance of hash tables depend critically on a low number of hash collisions. As the table fills up, the chance of collisions necessarily raises. Previously, libihash resized the hash table when the load exceeded 80%. This seems a bit optimistic (e. g. java.util.Hashtable uses 75% as default). * libihash/ihash.h (HURD_IHASH_MAX_LOAD_DEFAULT): Set to 75.
2014-05-13ext2fs: cache the superblockJustus Winter
Previously, the superblock was mmaped and a pointer stored in sblock by map_hypermetadata. This memory is backed by our disk pager. This is rather unfortunate, as this means that whenever we read a value from that location, we might generate a request our disk pager. This amplifies the so-called thread-storm problem. Rather than relying on a mmaped region of memory, just use the data loaded by get_hypermetadata. * ext2fs/hyper.c (get_hypermetadata): Do not free sblock. (mapped_sblock): New variable. (map_hypermetadata): Map the superblock to mapped_sblock instead. (diskfs_set_hypermetadata): Copy superblock into mapped_superblock. * ext2fs/ext2fs.h (get_hypermetadata, map_hypermetadata): Adjust comments accordingly.
2014-05-05fatfs: use two distinct pager buckets for the disk and file pagerJustus Winter
fatfs has two kinds of pagers. One for the files, one for the disk. Previously, both were in the same port bucket. If a request for a file pager arrives, it most likely touches some metadata (like the superblock). This is in turn backed by the disk pager, so another request is generated for the disk pager. Seperate all pagers clearly by using two port buckets. This will enable us to use a single thread per port bucket in the future. * fatfs/pager.c (pager_bucket): Rename to... (disk_pager_bucket): ... this to make the change explicit at every occurrence. (file_pager_bucket): New variable. (service_paging_requests): New function. (create_fat_pager): Also create the file pager. (diskfs_get_filemap): Handout pagers from the file_pager_bucket. (diskfs_shutdown_pager): This is only concerned with the file pager. Simplify code accordingly. (diskfs_sync_everything): Likewise. (diskfs_pager_users): Likewise. (diskfs_max_user_pager_prot): Likewise. (disable_caching): Iterate over both buckets. (enable_caching): Likewise.
2014-05-05libports: unlock _ports_lock on malloc failureJustus Winter
* libports/bucket-iterate.c (_ports_bucket_class_iterate): Unlock _ports_lock on malloc failure.
2014-05-05ext2fs: use two distinct pager buckets for the disk and file pagerJustus Winter
ext2fs has two kinds of pagers. One for the files, one for the disk. Previously, both were in the same port bucket. If a request for a file pager arrives, it most likely touches some metadata (like the superblock). This is in turn backed by the disk pager, so another request is generated for the disk pager. Seperate all pagers clearly by using two port buckets. This will enable us to use a single thread per port bucket in the future. * ext2fs/pager.c (pager_bucket): Rename to... (disk_pager_bucket): ... this to make the change explicit at every occurrence. (file_pager_bucket): New variable. (service_paging_requests): New function. (create_disk_pager): Also create the file pager. (diskfs_get_filemap): Handout pagers from the file_pager_bucket. (diskfs_shutdown_pager): This is only concerned with the file pager. Simplify code accordingly. (diskfs_sync_everything): Likewise. (diskfs_pager_users): Likewise. (diskfs_max_user_pager_prot): Likewise. (disable_caching): Iterate over both buckets. (enable_caching): Likewise.
2014-04-30tmpfs: improve diskfs_node_iterateJustus Winter
Currently, diskfs_node_iterate iterates twice over all nodes. The first time only to determine the number of nodes. Simply count them instead. * tmpfs/node.c (all_nodes_nr_items): New variable. (diskfs_free_node): Decrement all_nodes_nr_items. (diskfs_node_norefs): Likewise. (diskfs_cached_lookup): Increment all_nodes_nr_items. (diskfs_node_iterate): Fix type of sum_nodes, use all_nodes_nr_items.
2014-04-30fatfs: improve diskfs_node_iterateJustus Winter
Currently, diskfs_node_iterate iterates twice over all nodes in the cache. The first time only to determine the number of nodes currently in the cache. Simply count them instead. * fatfs/inode.c (nodehash_nr_items): New variable. (diskfs_cached_lookup): Increment nodehash_nr_items. (diskfs_cached_lookup_in_dirbuf): Likewise. (diskfs_node_norefs): Decrement nodehash_nr_items. (diskfs_node_iterate): Fix the type of num_nodes, use nodehash_nr_items.
2014-04-30ext2fs: improve diskfs_node_iterateJustus Winter
Currently, diskfs_node_iterate iterates twice over all nodes in the cache. The first time only to determine the number of nodes currently in the cache. Simply count them instead. * ext2fs/inode.c (nodehash_nr_items): New variable. (diskfs_cached_lookup): Increment nodehash_nr_items. (diskfs_node_norefs): Decrement nodehash_nr_items. (diskfs_node_iterate): Fix the type of num_nodes, use nodehash_nr_items.
2014-04-30fatfs: simplify expressionJustus Winter
* fatfs/pager.c (add_pager_max_prot): Simplify expression.
2014-04-29libports: reduce malloc overhead in _ports_bucket_class_iterateJustus Winter
_ports_bucket_class_iterate creates a snapshot of the buckets hash table. This is done so that the lock protecting the hash table can be released while we iterate over the snapshot. Formerly, a linked list was used to store the snapshot. As the maximal number of items is known, using an array is much simpler. _ports_bucket_class_iterate implements both ports_bucket_iterate and ports_class_iterate. For this change might make ports_class_iterate less efficient memory-wise if the number of ports belonging to the class is low with respect to the number of ports in the bucket. If this happens, we allocate too much. Alleviate this by releasing unused memory. On the other hand, the array representation is more compact. Furthermore a survey of the Hurd code revealed that ports_class_iterate is rarely used, while ports_bucket_iterate is used more often, most prominently in paging code. * libports/bucket-iterate.c (_ports_bucket_class_iterate): Use an array instead of a linked list.
2014-04-29ext2fs: simplify expressionJustus Winter
* ext2fs/pager.c (add_pager_max_prot): Simplify expression.
2014-04-29ext2fs: fix type of inumJustus Winter
Previously, inum was of type int, whereas dino_ref expects ino_t. On Hurd/x86 the former is 32 bit wide, the latter 64. If dino_ref is inlined, this does not seem to pose a problem, but if ext2fs is compiled with -O0, this most likely results in an invalid memory access. * ext2fs/ialloc.c (ext2_alloc_inode): Use type ino_t for inum.
2014-04-29exec: abbreviate the task name if necessaryJustus Winter
* exec/exec.c (do_exec): If the formatted task name exceeds TASK_NAME_SIZE, abbreviate it.
2014-04-29libports: work around bugs in server terminationJustus Winter
Some servers use ports_manage_port_operations_one_thread to process requests and terminate when it returns. Since many of them don't detach before shutting down, a client may receive an error if its request arrived while the server is shutting down. Prevent those spurious errors by forcing ports_manage_port_operations_one_thread not to return. This is the same change as 235491231bdd1fd93507c835767503f047e10b91 introduced for ports_manage_port_operations_multithread. * libports/manage-one-thread.c (ports_manage_port_operations_one_thread): Force timeout to 0.
2014-04-29libdiskfs: set the default sync interval to 30 secondsJustus Winter
The default sync interval has been changed in 9e55fdd7 from 30 to 5 seconds. This change was not reflected in the documentation. At least for current hardware, using 30 seconds instead of just 5 alleviates the thread-storm problem. Make 30 seconds the default again. * libdiskfs/priv.h (DEFAULT_SYNC_INTERVAL): Set to 30 seconds.
2014-04-22Add missing receiver lookup fixSamuel Thibault
following 7cb7fa6b3a0d02985b4a51f7823bc1cb631d6bfa * proc/mgt.c (S_proc_exception_raise): Do not dereference e on returning EINVAL, the translation functions does it for us.
2014-04-22Merge branch 'master' of git.savannah.gnu.org:/srv/git/hurd/hurdSamuel Thibault
2014-04-22Add TODO about fork() making rpctrace emit an errorSamuel Thibault
* utils/rpctrace.c (rewrite_right): Explain why the unknown send right error happens on fork().
2014-04-22build: Remove configure check for libcrypt.Ludovic Courtès
GNU libc has provided the 'crypt' function in libcrypt for a long time, making this check unnecessary. * configure.ac: Remove libcrypt check and 'LIBCRYPT' substitution. * config.make.in (LIBCRYPT): Remove. * trans/Makefile (password-LDLIBS): Change $(LIBCRYPT) to -lcrypt. * utils/Makefile (login-LDLIBS, addauth-LDLIBS, setauth-LDLIBS): Likewise.
2014-04-15Include the MIG-generated server header filesJustus Winter
This enables the compiler to check that the server function declarations match MIGs expectations. Fix a few oddities along the way. * console-client/trans.c: Include MIG-generated server header file(s). * console/console.c: Likewise. Also, fix declarations. * console/mutations.h (TIOCTL_IMPORTS): Just use libnetfs/priv.h. * console/priv.h: Delete now unused file. * ext2fs/storeinfo.c: Include MIG-generated server header file(s). * fatfs/inode.c: Likewise. * fatfs/main.c: Likewise. Also, fix declaration. * isofs/inode.c: Likewise. * libdiskfs/boot-start.c: Likewise. * libdiskfs/file-chg.c: Include the correct MIG-generated server header file. * libdiskfs/file-chmod.c: Include MIG-generated server header file(s). * libdiskfs/file-get-fs-opts.c: Likewise. * libdiskfs/init-startup.c: Likewise. * libnetfs/file-get-children.c: Likewise. * libnetfs/file-getcontrol.c: Include the correct MIG-generated server header file. * libnetfs/file-set-translator.c: Include MIG-generated server header file(s). * libnetfs/fsstubs.c: Likewise. * libtrivfs/file-access.c: Likewise. * libtrivfs/file-chauthor.c: Likewise. * libtrivfs/file-chflags.c: Likewise. * libtrivfs/file-chg.c: Likewise. * libtrivfs/file-chmod.c: Likewise. * libtrivfs/file-chown.c: Likewise. * libtrivfs/file-exec.c: Likewise. * libtrivfs/file-get-children.c: Likewise. * libtrivfs/file-get-fs-options.c: Likewise. * libtrivfs/file-get-source.c: Likewise. * libtrivfs/file-get-storage-info.c: Likewise. * libtrivfs/file-get-trans.c: Likewise. * libtrivfs/file-get-transcntl.c: Likewise. * libtrivfs/file-getcontrol.c: Likewise. * libtrivfs/file-getfh.c: Likewise. * libtrivfs/file-getlinknode.c: Likewise. * libtrivfs/file-lock.c: Likewise. * libtrivfs/file-reparent.c: Likewise. * libtrivfs/file-set-size.c: Likewise. * libtrivfs/file-set-trans.c: Likewise. * libtrivfs/file-statfs.c: Likewise. * libtrivfs/file-sync.c: Likewise. * libtrivfs/file-syncfs.c: Likewise. * libtrivfs/file-utimes.c: Likewise. * libtrivfs/fsys-forward.c: Likewise. * libtrivfs/fsys-get-options.c: Likewise. * libtrivfs/fsys-getroot.c: Likewise. * libtrivfs/fsys-goaway.c: Likewise. * libtrivfs/fsys-set-options.c: Likewise. * libtrivfs/fsys-stubs.c: Likewise. * libtrivfs/fsys-syncfs.c: Likewise. * libtrivfs/io-async-icky.c: Likewise. * libtrivfs/io-async.c: Likewise. * libtrivfs/io-duplicate.c: Likewise. * libtrivfs/io-identity.c: Likewise. * libtrivfs/io-map.c: Likewise. * libtrivfs/io-modes-get.c: Likewise. * libtrivfs/io-modes-off.c: Likewise. * libtrivfs/io-modes-on.c: Likewise. * libtrivfs/io-modes-set.c: Likewise. * libtrivfs/io-owner-get.c: Likewise. * libtrivfs/io-owner-mod.c: Likewise. * libtrivfs/io-pathconf.c: Likewise. * libtrivfs/io-read.c: Likewise. * libtrivfs/io-readable.c: Likewise. * libtrivfs/io-reauthenticate.c: Likewise. * libtrivfs/io-restrict-auth.c: Likewise. * libtrivfs/io-revoke.c: Likewise. * libtrivfs/io-seek.c: Likewise. * libtrivfs/io-select.c: Likewise. * libtrivfs/io-stat.c: Likewise. * libtrivfs/io-stubs.c: Likewise. * libtrivfs/io-version.c: Likewise. * libtrivfs/io-write.c: Likewise. * pfinet/tunnel.c: Likewise. * storeio/io.c: Likewise. * storeio/storeio.c: Likewise. * term/users.c: Likewise. * tmpfs/node.c: Likewise. * trans/fakeroot.c: Likewise. Also, include all server headers that provide the X_server_routine functions... (netfs_demuxer): ... that were previously declared here. * trans/fifo.c: Include MIG-generated server header file(s). * trans/firmlink.c: Likewise. * trans/hello-mt.c: Likewise. * trans/hello.c: Likewise. * trans/magic.c: Likewise. * trans/mtab.c: Likewise. * trans/new-fifo.c: Likewise. * trans/null.c: Likewise. * trans/proxy-defpager.c: Likewise. * trans/streamio.c: Likewise. * libdiskfs/fsmutations.h: Qualify the import with the libraries path. Without this change, out-of-tree builds would no longer work. * libnetfs/mutations.h: Likewise. * libtrivfs/mig-mutate.h: Likewise.
2014-04-15libpager: fix notify_port_t receiver lookupsJustus Winter
This fixes one more occurence of a notify_port_t receiver lookup that I overlooked in 5a4926dd52aed56913cbe10592063ff0da753700. * libpager/no-senders.c: Include "notify_S.h" so that the compiler can spot such mistakes in the future. (_pager_do_seqnos_mach_notify_no_senders): Fix receiver lookup.
2014-04-14libpager: fix notify_port_t receiver lookupsJustus Winter
* libpager/mig-mutate.h: Add mutators. * libpager/notify-stubs.c: Adjust accordingly.
2014-04-13console: fix notify_port_t receiver lookupsJustus Winter
This complements e9687ec4ff525ae4a88314ba4ae97da770bd012f. * console/display.c: Fix receiver lookups, adjust function declarations. * console/mutations.h: Add NOTIFY mutators.
2014-04-12boot: remove the ourdevice hackJustus Winter
Previously, the device definitions were filtered using sed to replace the device_t type with mach_port_send_t to make the device argument of device_open polymorphic. Rather than doing that, which makes it impossible to use translation functions, the definition of device_open has been amended. * boot/Makefile: Remove the ourdevice hack. * boot/boot.c: Adjust the include accordingly.
2014-04-12console-client: drop DIST_FILES from MakefileJustus Winter
Since 50bfb9acf98d5f4c0c5948cc28285e990b40b659 git is used to produce dist tarballs. * console-client/Makefile (DIST_FILES): Do not set obsolete variable.
2014-04-09libports: fix receiver lookupJustus Winter
* libports/interrupt-operation.c (ports_S_interrupt_operation): Fix receiver lookup. * libports/mig-mutate.h: Add mutators. * libports/ports.h: Remove superfluous declarations.
2014-04-09hurd: add a new type interrupt_t for the interrupt protocolJustus Winter
* hurd/hurd_types.defs (interrupt_t): New type. * hurd/hurd_types.h (interrupt_t): Likewise. * hurd/interrupt.defs (interrupt_operation): Use the new type.
2014-04-06libports: fix notify_port_t receiver lookupsJustus Winter
* libports/Makefile (MIGSFLAGS): Include mig-mutate.h. * libports/mig-decls.h: New file. * libports/mig-mutate.h: Likewise. * libports/notify-dead-name.c: Fix receiver lookups. * libports/notify-no-senders.c: Likewise. * libports/notify-msg-accepted.c: Adjust function declaration. * libports/notify-port-deleted.c: Likewise. * libports/notify-port-destroyed.c: Likewise. * libports/notify-send-once.c: Likewise. * libports/ports.h: Likewise. * proc/Makefile (MIGSFLAGS): Include mig-mutate.h, move PROCESS mutators... * proc/mig-mutate.h: ... into a new file, add NOTIFY mutators. * proc/notify.c: Fix receiver lookups, adjust function declarations. * term/devio.c (ports_do_mach_notify_send_once): Adjust accordingly.
2014-04-05libdiskfs: fix receiver lookupJustus Winter
* libdiskfs/Makefile (exec_startup-MIGSFLAGS): New variable. * libdiskfs/diskfs.h (struct bootinfo): New struct declaration. (diskfs_begin_using_bootinfo_port): New function. (diskfs_end_using_bootinfo): Likewise. * libdiskfs/fsmutations.h: Add mutators for exec_startup_t. * libdiskfs/priv.h (bootinfo_t): New type declaration to appease mig. * libdiskfs/boot-start.c (S_exec_startup_get_info): Fix receiver lookup.
2014-04-05exec: fix receiver lookupJustus Winter
* exec/Makefile (exec_startup-MIGSFLAGS): New variable. * exec/execmutations.h: Add mutators for exec_startup_t. * exec/mig-decls.h: New file. * exec/priv.h (bootinfo_t): New type declaration to appease mig. * exec/exec.c (S_exec_startup_get_info): Fix receiver lookup.
2014-04-05hurd: add a new type for the exec_startup protocolJustus Winter
* hurd/hurd_types.defs (exec_startup_t): New type. * hurd/hurd_types.h (exec_startup_t): Likewise. * hurd/exec_startup.defs: Honor EXEC_STARTUP_IMPORTS. (exec_startup_get_info): Use the new type as receiver.
2014-04-04Merge branch 'master' of git.savannah.gnu.org:/srv/git/hurd/hurdSamuel Thibault
2014-04-04Fix spurious unlock on errorSamuel Thibault
Thanks Cyril Roelandt for finding the issue. * libdiskfs/dir-renamed.c (diskfs_rename_dir): On diskfs_lookup error, set fnp to NULL to avoid unlocking it spuriously.
2014-04-02libpager: fix receiver lookupsJustus Winter
Previously, the receiver lookup was done manually in all the server functions. Use mig translator functions instead. * libpager/mig-decls.h: New file. * libpager/mig-mutate.h: Likewise. * libpager/Makefile (MIGSFLAGS): Include mig-mutate.h. * libpager/chg-compl.c: Fix receiver lookups. * libpager/data-request.c: Likewise. * libpager/data-return.c: Likewise. * libpager/data-unlock.c: Likewise. * libpager/lock-completed.c: Likewise. * libpager/object-init.c: Likewise. * libpager/object-terminate.c: Likewise. * libpager/stubs.c: Likewise. * libpager/seqnos.c (_pager_update_seqno): Move the actual functionality... (_pager_update_seqno_p): ... into a new function that can be called with a pointer to struct pager. * libpager/priv.h (_pager_update_seqno_p): New declaration.
2014-03-26Handle fonts with multiple-of-8 bbox widthSamuel Thibault
* console-client/vga-dynafont.c (dynafont_new): When the bbox width of the font is a multiple of 8, set width to 8. Reject any other value than 8 or 9 with EINVAL.
2014-03-26Fix setting LGE flagSamuel Thibault
* console-client/vga-support.c (vga_set_font_width): Fix setting the `VGA_ATTR_MODE_LGE' flag.
2014-03-26Merge branch 'master' of git.savannah.gnu.org:/srv/git/hurd/hurdSamuel Thibault
2014-03-26Align VGA buffersSamuel Thibault
Some "hardware" (such as kvm on linux 3.2) would hang when transferring between video memory and unaligned main memory. This also allows better optimized transfers anyway. Thanks Petter Reinholdtsen for the report and patient tests. * console-client/vga-support.c (vga_state): Force maximum alignment of `videomem' and `fontmem' fields.
2014-03-25mach-defpager: replace the magic typecast with a hash tableJustus Winter
Previously, the mach-defpager used a "magic typecast" for object lookups. It renamed the port to the address of the associated object, and upon receiving a message it would cast the port name back to a pointer. While this might seem like an optimization, it actually makes the port handling in the kernel less efficient. Ports with small continuous names are stored in an array, while other ports get spilled in a splay tree. Replace the linked list of default_port_t objects with a hash table. Do not rename the ports, rather use the hash table to lookup objects associated with ports. * mach-defpager/default_pager.c (struct pager_port): Replace queue with hash table, remove count, move type declaration to priv.h. (pager_port_list_init): Adjust accordingly. (pager_port_list_insert): Likewise. (pager_port_list_delete): Likewise. (destroy_paging_partition): Replace queue_iterate with HURD_IHASH_ITERATE. (S_default_pager_objects): Likewise. (S_default_pager_object_pages): Likewise. (seqnos_memory_object_create): Do not rename the port but store it in the hash table. (S_default_pager_object_create): Likewise. * mach-defpager/priv.h (struct dstruct): Add fast-removal pointer. (pnameof): Remove obsolete macro definition. (dnameof): Likewise. * mach-defpager/mig-decls.h (begin_using_default_pager): Replace the magic typecast with a hash table lookup. * mach-defpager/Makefile (HURDLIBS): Add ihash.
2014-03-25mach-defpager: fix local includesJustus Winter
* mach-defpager/default_pager.c: Fix local includes. * mach-defpager/main.c: Likewise. * mach-defpager/setup.c: Likewise.
2014-03-25mach-defpager: fix receiver lookupsJustus Winter
Previously, the receiver lookup was done manually in all the server functions. Use mig translator functions instead. * mach-defpager/mig-decls.h: New file. * mach-defpager/mig-mutate.h: Likewise. * mach-defpager/Makefile (MIGSFLAGS): Include mig-mutate.h. * mach-defpager/mach-defpager.c: Fix receiver lookups, move type definitions... * mach-defpager/priv.h: ... here, so that they can be used in mig-decls.h.
2014-03-25hurd: fix receiver type, honor DEFAULT_PAGER_IMPORTSJustus Winter
* hurd/default_pager.defs: Honor DEFAULT_PAGER_IMPORTS. (default_pager_object_set_size): Fix receiver type.
2014-03-25libdiskfs: fix string terminationJustus Winter
Found using the Clang Static Analyzer. * libdiskfs/fsys-getroot.c (diskfs_S_fsys_getroot): Fix string termination.
2014-03-25isofs: also copy the terminating zero in read_symlink_hookJustus Winter
* isofs/inode.c (read_symlink_hook): Use memcpy, also copy terminating zero.
2014-03-21libpager: fix potential deadlockJustus Winter
This patch releases the interlock before doing an rpc call, analogous to 901c61a1d25e7c8963e51012760a82730eda1910. * libpager/pager-attr.c (pager_change_attributes): Release interlock before calling memory_object_change_attributes, to let the callbacks take it.
2014-03-21libpager: fix comment of pager_change_attributesJustus Winter
* libpager/pager-attr.c: Fix comment. * libpager/pager.h: Likewise.
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