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2014-01-03vm: reduce the size of struct vm_pageJustus Winter
Previously, the bit field left 31 bits unused. By reducing the size of wire_count by one bit, the size of the whole struct is reduced by four bytes. * vm/vm_page.h (struct vm_page): Reduce the size of wire_count to 15 bits.
2014-01-03vm: merge the two bit fields in struct vm_pageJustus Winter
* vm/vm_page.h (struct vm_page): Merge the two bit fields.
2014-01-03vm: remove NS32000-specific padding from struct vm_pageJustus Winter
Apparently, the NS32000 was a 32-bit CPU from the 1990ies. The string "ns32000" appears nowhere else in the source. * vm/vm_page.h (struct vm_page): Remove NS32000-specific padding.
2013-12-20Declare void argument lists (part 2)Marin Ramesa
Declare void argument lists that were not declared in the first part of this patch and * kern/sched_prim.h (recompute_priorities): Fix prototype. * kern/startup.c (setup_main) (recompute_priorities): Fix call.
2013-12-17Mark functions that don't return with attribute noreturnMarin Ramesa
2013-12-17vm: qualify pointers whose dereferenced values are constant with constMarin Ramesa
2013-12-15vm/vm_resident.c (vm_page_print): remove unnecessary castsMarin Ramesa
Members offset and phys_addr are of vm_offset_t types. * vm/vm_resident.c (vm_page_print) (offset, phys_addr): Remove unnecessary casts.
2013-12-15vm/vm_kern.c (kmem_submap): remove unnecessary castMarin Ramesa
The return value from vm_map_min() is already of vm_offset_t type. * vm/vm_kern.c (kmem_submap) (addr): Remove unnecessary cast.
2013-12-15Declare void argument listsMarin Ramesa
2013-12-11Cleanup of the memcpy(), memmove(), memcmp() and memset() callsMarin Ramesa
Addresses were cast to (void *). Pointers uncasted. * device/ds_routines.c (ds_read_done) (memset) (start_sent): Cast to (void *) instead to (char *). Argument is an address. (ds_read_done) (memset) (end_data): Likewise. * i386/i386/pcb.c (thread_getstatus) (memcpy) (pm): Don't cast. Argument is a pointer. (thread_getstatus) (memcpy) (iopb): Likewise. * i386/i386at/immc.c (immc_cnputc) (memmove): Cast first argument to (void *). Argument is an address. (immc_cnputc) (memmove): Cast second argument to (void *). Argument is an address. (immc_cnputc) (memset): Cast first argument to (void *). Argument is an address. * i386/i386at/model_dep.c (i386at_init) (memcpy) (phystokv): Cast to (void *) instead to (char *). Argument is an address. * i386/intel/pmap.c (pmap_init) (memset) (addr): Likewise. * ipc/mach_debug.c (mach_port_space_info) (memset) (table_addr + size_used): Likewise. (mach_port_space_info) (memset) (tree_addr + size_used): Likewise. * kern/host.c (host_processor_sets) (memcpy) (newaddr): Likewise. (host_processor_sets) (memcpy) (addr): Likewise. * kern/xpr.c (xprbootstrap) (memset) (addr): Likewise. * vm/vm_debug.c (mach_vm_object_pages) (memset) (addr + size_used): Likewise.
2013-12-09vm/vm_map.c: use boolean instead of an intMarin Ramesa
* vm/vm_map.c (vm_map_pmap_enter_print, vm_map_pmap_enter_enable): Use boolean instead of an int.
2013-12-09vm/vm_object.c: remove unused variableMarin Ramesa
* vm/vm_object.c (vm_object_terminate_remove_all): Remove unused variable.
2013-12-09vm/vm_pageout.c: remove forward declarationsMarin Ramesa
* vm/vm_pageout.c (vm_pageout_continue, vm_pageout_scan_continue): Remove forward declarations. * vm/vm_pageout.h (vm_pageout_continue, vm_pageout_scan_continue): Add prototypes.
2013-12-09Cleanup of the prototypesMarin Ramesa
* device/cirbuf.h (nqdb): Remove prototype without definition. * device/conf.h (dev_set_indirect): Likewise. * kern/boot_script.h (boot_script_read_file): Likewise. * kern/eventcount.h (evc_notify_abort): Remove duplicate prototype. * kern/thread.h (thread_set_own_priority): Likewise. * kern/thread_swap.h (thread_swapout): Remove prototype without definition. * kern/timer.h (softclock): Remove duplicate prototype. * vm/pmap.h (pmap_resident_count, pmap_access, pmap_phys_address, pmap_phys_to_frame): Remove prototypes without function definition. * vm/vm_page.h (vm_set_page_size): Likewise.
2013-12-09vm/vm_page.h: remove unused variablesMarin Ramesa
* vm/vm_page.h (first_phys_addr, last_phys_addr): Remove unused variables.
2013-12-05vm/vm_user.c: remove forward declarationMarin Ramesa
* vm/vm_user.c (vm_map_machine_attribute): Remove forward declaration.
2013-12-05vm/vm_resident.c: correct commentMarin Ramesa
This is vm_resident.c, not vm_page.c. * vm/vm_resident.c: Correct comment.
2013-12-05vm/vm_map.c: remove forward declarationsMarin Ramesa
* vm/vm_map.c (_vm_map_clip_start, _vm_map_copy_clip_start, _vm_map_clip_end, _vm_map_copy_clip_end): Remove forward declarations. * vm/vm_map.h (_vm_map_clip_end): Correct prototype.
2013-12-05vm/vm_kern.c: remove forward declarationsMarin Ramesa
* vm/vm_kern.c (kmem_alloc_pages, kmem_remap_pages): Remove forward declarations. * vm/vm_kern.h (kmem_alloc_pages, kmem_remap_pages): Add prototypes.
2013-12-05vm/vm_fault.c: remove forward declarationMarin Ramesa
* vm/vm_fault.c (vm_fault_wire_fast): Remove forward declaration. * vm/vm_fault.h (vm_fault_wire_fast): Add prototype.
2013-12-05kern/startup.c: remove forward declarationsMarin Ramesa
* Makefrag.am: Include kern/bootstrap.h. Include vm/vm_init.h. Include device/device_init.h. * device/device_init.h: New file. Add copyright. [_DEVICE_DEVICE_INIT_H_]: Add ifndef. (device_service_create): Add prototype. * i386/i386/mp_desc.h (start_other_cpus): Add prototype. * kern/bootstrap.h: New file. Add copyright. [_KERN_BOOTSTRAP_H_]: Add ifndef. (bootstrap_create): Add prototype. * kern/sched_prim.h (idle_thread, sched_thread): Add prototypes. * kern/startup.c: Include kern/bootstrap.h. Include kern/startup.h. Include vm/vm_init.h. Include vm/vm_pageout.h. Include device/device_init.h. (vm_mem_init, vm_mem_bootstrap, init_timeout, machine_init, idle_thread, vm_pageout, reaper_thread, swapin_thread, sched_thread, bootstrap_create, device_service_create, cpu_launch_first_thread, start_kernel_threads, start_other_cpus, action_thread): Remove forward declarations. [NCPUS > 1] Include machine/mp_desc.h and kern/machine.h. * kern/startup.h: Include kern/thread.h. (cpu_launch_first_thread, start_kernel_threads): Add prototypes. * vm/vm_init.h: New file. Add copyright. [_VM_VM_INIT_H_]: Add ifndef. (vm_mem_init, vm_mem_bootstrap): Add prototypes. * vm/vm_pageout.h (vm_pageout): Add prototype.
2013-11-24vm: move forward declarations into a header fileMarin Ramesa
* vm/vm_map.c (vm_map_delete, vm_map_copyout_page_list, vm_map_copy_page_discard, vm_map_lookup_entry): Remove forward declarations. * vm/vm_map.h (vm_map_delete, vm_map_copyout_page_list, vm_map_copy_page_discard, vm_map_lookup_entry): Add prototypes.
2013-11-24vm: move forward declarations into a header fileMarin Ramesa
* vm/vm_object.c (memory_object_release, vm_object_deactivate_pages, vm_object_copy_delayed): Remove forward declarations. * vm/vm_object.h (memory_object_release, vm_object_deactivate_pages, vm_object_copy_delayed): Add prototypes.
2013-11-24Remove leftover register qualifiersMarin Ramesa
* ddb/db_break.c: Remove register qualifiers. * i386/i386/pcb.c: Likewise. * i386/i386at/com.c: Likewise. * i386/i386at/lpr.c: Likewise. * i386/intel/pmap.c: Likewise. * kern/machine.c: Likewise. * kern/queue.h: Likewise. * kern/sched_prim.c: Likewise. * kern/sched_prim.h: Likewise. * kern/timer.c: Likewise. * vm/vm_fault.c: Likewise. * vm/vm_resident.h: Likewise.
2013-11-19Add copyrightMarin Ramesa
* ddb/db_write_cmd.h: Add copyright. * ipc/ipc_print.h: Likewise. * vm/vm_print.h: Likewise.
2013-11-15i386/i386/vm_tuning.h: remove fileMarin Ramesa
* i386/Makefrag.am: Remove i386/i386/vm_tuning.h. * i386/i386/vm_tuning.h: Remove file. * vm/vm_pageout.c: Don't include i386/i386/vm_tuning.h.
2013-11-15vm/vm_user.c: remove register qualifiersMarin Ramesa
* vm/vm_user.c: Remove register qualifiers.
2013-11-15vm/vm_resident.c: remove register qualifiersMarin Ramesa
* vm/vm_resident.c: Remove register qualifiers.
2013-11-15vm/vm_pageout.c: remove register qualifiersMarin Ramesa
* vm/vm_pageout.c: Remove register qualifiers.
2013-11-15vm/vm_object.c: remove register qualifiersMarin Ramesa
* vm/vm_object.c: Remove register qualifiers.
2013-11-15vm/vm_map.c: remove register qualifiersMarin Ramesa
* vm/vm_map.c: Remove register qualifiers.
2013-11-15vm/vm_map.c: trivial stylistic fix for consistencyMarin Ramesa
* vm/vm_map.c: Trivial stylistic fix for consistency.
2013-11-15vm/vm_kern.c: remove register qualifiersMarin Ramesa
* vm/vm_kern.c: Remove register qualifiers.
2013-11-15vm/vm_fault.c: remove register qualifiersMarin Ramesa
* vm/vm_fault.c: Remove register qualifiers.
2013-11-15vm/vm_fault.c: remove unused variableMarin Ramesa
* vm/vm_fault.c: Remove unused variable.
2013-11-15vm/memory_object_proxy.h: fix definitionMarin Ramesa
* vm/memory_object_proxy.h (_VM_MEMORY_OBJECT_PROXY_H_): Fix definition.
2013-11-15vm/memory_object.c: remove register qualifiersMarin Ramesa
* vm/memory_object.c: Remove register qualifiers.
2013-11-09Remove lint codeMarin Ramesa
2013-10-10Increase kernel map entry pool sizeRichard Braun
* vm/vm_map.h (KENTRY_DATA_SIZE): Set to 256 pages.
2013-07-18vm: organize vm print function prototypesMarin Ramesa
* vm/vm_print.h: New file. Include <vm/vm_map.h>. Include <machine/db_machdep.h>. (vm_map_print): Add prototype. (vm_map_copy_print): Likewise. (vm_object_print): Likewise. (vm_page_print): Likewise. Include <vm/vm_object.h>. Include <vm/vm_page.h> * vm/vm_map.h (vm_map_print): Remove prototype. * vm/vm_map.c [MACH_KDB]: Include <vm/vm_print.h>. * vm/vm_object.h (vm_object_print): Remove prototype. * vm/vm_object.c [MACH_KDB]: Include <vm/vm_print.h>. * vm/vm_resident.c [MACH_KDB]: Include <vm/vm_print.h>.
2013-06-04Fix format warningsMiguel Figueiredo
* vm/vm_resident.c (pmap_startup): Fix printf format. * xen/block.c (hyp_block_init, device_write): Likewise. * xen/net.c (hyp_net_init): Likewise.
2013-01-13Fix task stats incrementationsSamuel Thibault
* vm/vm_fault.c (vm_fault_page): Properly increment current_task()->zero_fills and cow_faults.
2013-01-13Add statistics for task_events_infoDavid Höppner
* ipc/ipc_mqueue.c (ipc_mqueue_send, ipc_mqueue_receive): Increment counters for message sent and received. * kern/ipc_kobject.c (ipc_kobject_server): Increment sent and received counters for the kernel task. * kern/task.c (task_create): Zero statistics. * kern/task.c (task_info): Add task_events_info call. * kern/task.h: Add statistics. * vm/vm_fault.c (vm_fault_page): Increment zero_fills, pageins, reactivations and cow_faults counters. * vm/vm_fault.c (vm_fault_wire_fast): Increment faults counters. * vm/vm_pageout.c (vm_pageout_scan): Increment reactivations counter.
2013-01-06Double KENTRY_DATA_SIZESamuel Thibault
* vm/vm_map.h (KENTRY_DATA_SIZE): Bump from 32 pages to 64 pages.
2013-01-04Fix compilation warning implicit function declaration kdbprintfDavid Höppner
When kernel debugger support is requested ipc and vm need the prototype for the debugger function kdbprintf. * ddb/db_output.h: Add prototype for kdbprintf. * ipc/ipc_object.c: Add include file ddb/db_output.h * ipc/ipc_port.c: Likewise. * ipc/ipc_pset.c: Likewise. * vm/vm_map.c: Likewise. * vm/vm_object.c: Likewise. * vm/vm_resident.c: Likewise.
2012-11-20Fix calls to vm_map when size is 0Richard Braun
* vm/vm_map.c (vm_map_enter): return KERN_INVALID_ARGUMENT if size is 0. * vm/vm_user.c (vm_map): Likewise.
2012-09-23Provide basic page cache statisticsRichard Braun
* Makefrag.am (EXTRA_DIST): Add kern/gnumach.srv. (include_mach_HEADERS): Add include/mach/gnumach.defs and include/mach/vm_cache_statistics.h (nodist_libkernel_a_SOURCES): Add kern/gnumach.server.defs.c, kern/gnumach.server.h, kern/gnumach.server.c, kern/gnumach.server.msgids, kern/gnumach.server.defs. * include/mach/mach_types.h: Add #include <mach/vm_cache_statistics.h>. * kern/ipc_kobject.c (ipc_kobject_server): Declare and call gnumach_server_routine. * vm/vm_object.c (vm_object_cached_pages): New variable. (vm_object_cached_pages_lock_data): Likewise. (vm_object_deallocate): Update number of cached pages. (vm_object_lookup): Likewise. (vm_object_lookup_name): Likewise. (vm_object_destroy): Likewise. (vm_object_enter): Likewise. * vm/vm_object.h (ref_count): Declare as int. (resident_page_count): Likewise. (vm_object_cached_count): Add extern declaration. (vm_object_cached_pages): Likewise. (vm_object_cached_pages_lock_data): Likewise. (vm_object_cached_pages_update): New macro. * vm/vm_resident.c (vm_page_insert): Assert resident page count doesn't overflow, update number of cached pages as appropriate. (vm_page_replace): Likewise. (vm_page_remove): Update number of cached pages as appropriate. * vm/vm_user.c: Add #include <mach/vm_cache_statistics.h>. (vm_cache_statistics): New function. * vm/vm_user.h: Add #include <mach/mach_types.h>. (vm_cache_statistics): New declaration. * include/mach/gnumach.defs: New file.
2012-04-27Augment VM maps with a red-black treeRichard Braun
* vm/vm_map.c: Add #include <kern/rbtree.h>. (vm_map_setup): Initialize the map red-black tree. (vm_map_entry_cmp_lookup): New function. (vm_map_entry_cmp_insert): Likewise. (_vm_map_entry_link): Insert map entry in the red-black tree. (_vm_map_entry_unlink): Remove map entry from the red-black tree. (vm_map_lookup_entry): Rework the way the VM map hint is used, and replace the linear search with a binary search tree lookup. (vm_map_copy_insert): Move map entries from the map copy tree to the destination map tree. (vm_map_copyin): Initialize the map copy red-black tree. * vm/vm_map.h: Add #include <kern/rbtree.h>. (vm_map_entry): Add `tree_node' member. (vm_map_header): Add `tree' member.
2012-03-09Use unsigned long for addresses and sizesSamuel Thibault
TODO: remonter formats * i386/include/mach/i386/vm_types.h (vm_offset_t): Define to unsigned long. (signed32_t): Define to signed int. (unsigned32_t): Define to unsigned int. * i386/include/mach/sa/stdarg.h (__va_size): Use sizeof(unsigned long)-1 instead of 3. * include/mach/port.h (mach_port_t): Define to vm_offset_t instead of natural_t. * include/sys/types.h (size_t): Define to unsigned long instead of natural_t. * linux/src/include/asm-i386/posix_types.h (__kernel_size_t): Define to unsigned long. (__kernel_ssize_t): Define to long. * linux/src/include/linux/stddef.h (size_t): Define to unsigned long. * device/dev_pager.c (dev_pager_hash): Cast port to vm_offset_t insted of natural_t. (device_pager_data_request): Fix format. * device/ds_routines.c (ds_no_senders): Fix format. * i386/i386/io_map.c (io_map): Likewise. * i386/i386at/autoconf.c (take_dev_irq): Likewise. * i386/i386at/com.c (comattach): Likewise. * i386/i386at/lpr.c (lprattach): Likewise. * i386/i386at/model_dep.c (mem_size_init, mem_size_init, c_boot_entry): Likewise. * i386/intel/pmap.c (pmap_enter): Likewise. * ipc/ipc_notify.c (ipc_notify_port_deleted, ipc_notify_msg_accepted, ipc_notify_dead_name): Likewise. * ipc/mach_port.c (mach_port_destroy, mach_port_deallocate): Likewise. * kern/ipc_kobject.c (ipc_kobject_destroy): Likewise. * kern/slab.c (kalloc_init): Likewise. * vm/vm_fault.c (vm_fault_page): Likewise. * vm/vm_map.c (vm_map_pmap_enter): Likewise. * xen/block.c (device_read): Likewise. * device/net_io.c (bpf_match): Take unsigned long * instead of unsigned int *. (bpf_do_filter): Make mem unsigned long instead of long. * i386/i386/ktss.c (ktss_init): Cast pointer to unsigned long instead of unsigned. * i386/i386/pcb.c (stack_attach, switch_ktss): Cast pointers to long instead of int. * i386/i386/trap.c (dump_ss): Likewise. * ipc/ipc_hash.c (IH_LOCAL_HASH): Cast object to vm_offset_t. * ipc/mach_msg.c (mach_msg_receive, mach_msg_receive_continue): Cast kmsg to vm_offset_t instead of natural_t. * kern/pc_sample.c (take_pc_sample): Cast to vm_offset_t instead of natural_t. * kern/boot_script.c (sym, arg): Set type of `val' field to long instead of int. (create_task, builtin_symbols, boot_script_parse_line, boot_script_define_function): Cast to long instead of int. * kern/bootstrap.c (bootstrap_create): Likewise. * kern/sched_prim.c (decl_simple_lock_data): Likewise. * kern/printf.c (vsnprintf): Set size type to size_t. * kern/printf.h (vsnprintf): Likewise. * vm/vm_map.h (kentry_data_size): Fix type to vm_size_t. * vm/vm_object.c (vm_object_pmap_protect_by_page): Fix size parameter type to vm_size_t.
2012-03-08Move kentry_data_size initial value to headerSamuel Thibault
* vm/vm_map.h (KENTRY_DATA_SIZE): Define macro. * vm/vm_map.c (kentry_data_size): Initialize to KENTRY_DATA_SIZE.
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