diff options
| author | Thomas Schwinge <thomas@codesourcery.com> | 2012-12-20 22:20:05 +0100 |
|---|---|---|
| committer | Thomas Schwinge <thomas@codesourcery.com> | 2012-12-20 22:20:05 +0100 |
| commit | fc4d1650f3e35a1cff0111ae3808c61d44346f1f (patch) | |
| tree | 6be97c865d896e3e49411ede9870410e0c4f6479 /open_issues/glibc.mdwn | |
| parent | c77f17cfb827c17de7f1d5318cbbbeea03286715 (diff) | |
glibc/mmap: Extend.
Diffstat (limited to 'open_issues/glibc.mdwn')
| -rw-r--r-- | open_issues/glibc.mdwn | 20 |
1 files changed, 2 insertions, 18 deletions
diff --git a/open_issues/glibc.mdwn b/open_issues/glibc.mdwn index 9212c402..a9c12e5c 100644 --- a/open_issues/glibc.mdwn +++ b/open_issues/glibc.mdwn @@ -189,7 +189,8 @@ Last reviewed up to the [[Git mirror's d3bd58cf0a027016544949ffd27300ac5fb01bb8 `RLIMIT_RTTIME`, `SEEK_DATA` (`unistd.h`), `SEEK_HOLE` (`unistd.h`) `clock_adjtime`, `fallocate`, `fallocate64`, `name_to_handle_at`, `open_by_handle_at`, `process_vm_readv`, `process_vm_writev`, `sendmmsg`, - `setns`, `sync_file_range` + `setns`, `sync_file_range`, [[`mremap`|mremap]] and [[several + `MAP_*`|glibc/mmap]] * `chflags` @@ -269,8 +270,6 @@ Last reviewed up to the [[Git mirror's d3bd58cf0a027016544949ffd27300ac5fb01bb8 initialization <tschwinge> OK, that at least matches my understanding. - * [[`mremap`|mremap]] - * `syncfs` We should be easily able to implement that one. @@ -286,21 +285,6 @@ Last reviewed up to the [[Git mirror's d3bd58cf0a027016544949ffd27300ac5fb01bb8 Do we support `AT_FDCWD` et al.? (80b4e5f3ef231702b24d44c33e8dceb70abb3a06.) - * `MAP_POPULATE` (`mmap`, `sys/mman.h`) -- *Populate (prefault) - pagetables.* - - Some Linux kernel version, `mm/mmap.c`: - - if (vm_flags & VM_LOCKED) { - if (!mlock_vma_pages_range(vma, addr, addr + len)) - mm->locked_vm += (len >> PAGE_SHIFT); - } else if ((flags & MAP_POPULATE) && !(flags & MAP_NONBLOCK)) - make_pages_present(addr, addr + len); - return addr; - - Is only advisory, so can worked around with `#define MAP_POPULATE 0`, - 8069478040336a7de3461be275432493cc7e4c91. - * `t/opendirat`: `opendirat` (`scandirat`, `scandirat64`) Need changes equivalent to c55fbd1ea768f9fdef34a01377702c0d72cbc213 + |