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authorJerome Marchand <jmarchan@redhat.com>2013-11-12 15:08:31 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-11-13 12:09:11 +0900
commit00619bcc44d6b779aa366130b354153c222e4380 (patch)
tree5a885f81a351dfc6ca471823388d89a739406862 /mm/nommu.c
parent715ea41e60277f28f84d6c937737350e00955d56 (diff)
downloadlinux-rt-00619bcc44d6b779aa366130b354153c222e4380.tar.gz
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/nommu.c')
-rw-r--r--mm/nommu.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/nommu.c b/mm/nommu.c
index ecd1f158548e..d8a957bb9e31 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -1948,13 +1948,12 @@ int __vm_enough_memory(struct mm_struct *mm, long pages, int cap_sys_admin)
goto error;
}
- allowed = totalram_pages * sysctl_overcommit_ratio / 100;
+ allowed = vm_commit_limit();
/*
* Reserve some 3% 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