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mm/vmacache: inline vmacache_valid_mm()

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This function incurs in very hot paths and merely does a few loads for
validity check.  Lets inline it, such that we can save the function call
overhead.

(akpm: this is cosmetic - the compiler already inlines vmacache_valid_mm())

Signed-off-by: Davidlohr Bueso <[email protected]>
Cc: Sergey Senozhatsky <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Davidlohr Bueso 2015-11-05 18:48:52 -08:00 • committed by Linus Torvalds
commit a2c1aad3b5
1 changed files with 1 additions and 1 deletions
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2
mm/vmacache.c
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@ -52,7 +52,7 @@ void vmacache_flush_all(struct mm_struct *mm)
* Also handle the case where a kernel thread has adopted this mm via use_mm().
* That kernel thread's vmacache is not applicable to this mm.
*/
static bool vmacache_valid_mm(struct mm_struct *mm)
static inline bool vmacache_valid_mm(struct mm_struct *mm)
{
return current->mm == mm && !(current->flags & PF_KTHREAD);
}