diff options
| author |   Oleg Nesterov <oleg@redhat.com> | 2013-09-11 14:20:14 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2013-09-11 15:57:00 -0700 |
| commit | ef0855d334e1e4af7c3e0c42146a8479ea14a5ab (patch) | |
| tree | 5955b0424bb392e1949acc0ad5066cb461bef867 /include/linux/mempolicy.h | |
| parent | drivers/block/swim.c: remove unnecessary platform_set_drvdata() (diff) | |
| download | linux-dev-ef0855d334e1e4af7c3e0c42146a8479ea14a5ab.tar.xz linux-dev-ef0855d334e1e4af7c3e0c42146a8479ea14a5ab.zip | |
mm: mempolicy: turn vma_set_policy() into vma_dup_policy()
Simple cleanup. Every user of vma_set_policy() does the same work, this
looks a bit annoying imho. And the new trivial helper which does
mpol_dup() + vma_set_policy() to simplify the callers.
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Rik van Riel <riel@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/mempolicy.h')
| -rw-r--r-- | include/linux/mempolicy.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h index 0d7df39a5885..b2f897789838 100644 --- a/include/linux/mempolicy.h +++ b/include/linux/mempolicy.h @@ -91,7 +91,6 @@ static inline struct mempolicy *mpol_dup(struct mempolicy *pol) } #define vma_policy(vma) ((vma)->vm_policy) -#define vma_set_policy(vma, pol) ((vma)->vm_policy = (pol)) static inline void mpol_get(struct mempolicy *pol) { @@ -126,6 +125,7 @@ struct shared_policy { spinlock_t lock; }; +int vma_dup_policy(struct vm_area_struct *src, struct vm_area_struct *dst); void mpol_shared_policy_init(struct shared_policy *sp, struct mempolicy *mpol); int mpol_set_shared_policy(struct shared_policy *info, struct vm_area_struct *vma, @@ -240,7 +240,12 @@ mpol_shared_policy_lookup(struct shared_policy *sp, unsigned long idx) } #define vma_policy(vma) NULL -#define vma_set_policy(vma, pol) do {} while(0) + +static inline int +vma_dup_policy(struct vm_area_struct *src, struct vm_area_struct *dst) +{ + return 0; +} static inline void numa_policy_init(void) { |