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mm: factor commit limit calculation

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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>
This commit is contained in:
Jerome Marchand 2013-11-12 15:08:31 -08:00 • committed by Linus Torvalds
parent 715ea41e60
commit 00619bcc44
5 changed files with 18 additions and 9 deletions
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2
include/linux/mman.h
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@ -87,4 +87,6 @@ calc_vm_flag_bits(unsigned long flags)
_calc_vm_trans(flags, MAP_DENYWRITE, VM_DENYWRITE ) |
_calc_vm_trans(flags, MAP_LOCKED, VM_LOCKED );
}
unsigned long vm_commit_limit(void);
#endif /* _LINUX_MMAN_H */