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| author |   Jerome Marchand <jmarchan@redhat.com> | 2013-11-12 15:08:31 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-13 12:09:11 +0900 |
| commit | 00619bcc44d6b779aa366130b354153c222e4380 (patch) | |
| tree | 5a885f81a351dfc6ca471823388d89a739406862 /mm/mmap.c | |
| parent | mm: improve the description for dirty_background_ratio/dirty_ratio sysctl (diff) | |
| download | linux-dev-00619bcc44d6b779aa366130b354153c222e4380.tar.xz linux-dev-00619bcc44d6b779aa366130b354153c222e4380.zip | |
mm: factor commit limit calculation
The same calculation is currently done in three differents places.
Factor that code so future changes has to be made at only one place.
[akpm@linux-foundation.org: uninline vm_commit_limit()]
Signed-off-by: Jerome Marchand <jmarchan@redhat.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/mmap.c')
| -rw-r--r-- | mm/mmap.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/mm/mmap.c b/mm/mmap.c index 3d3e224be771..803048e9c568 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -179,14 +179,12 @@ int __vm_enough_memory(struct mm_struct *mm, long pages, int cap_sys_admin) goto error; } - allowed = (totalram_pages - hugetlb_total_pages()) - * sysctl_overcommit_ratio / 100; + allowed = vm_commit_limit(); /* * Reserve some for root */ if (!cap_sys_admin) allowed -= sysctl_admin_reserve_kbytes >> (PAGE_SHIFT - 10); - allowed += total_swap_pages; /* * Don't let a single process grow so big a user can't recover |