Messages in this thread Patch in this message | | | From | Davidlohr Bueso <> | Subject | [PATCH -next] mm/vmacache: inline vmacache_valid_mm() | Date | Wed, 7 Oct 2015 21:17:59 -0700 |
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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.
Signed-off-by: Davidlohr Bueso <dbueso@suse.de> --- mm/vmacache.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/vmacache.c b/mm/vmacache.c index b6e3662..fd09dc9 100644 --- a/mm/vmacache.c +++ b/mm/vmacache.c @@ -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); } -- 2.1.4
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