* [PATCH] mm,vmacache: inline vmacache_valid_mm()
@ 2014-07-04 21:08 Davidlohr Bueso
2014-07-07 22:07 ` Andrew Morton
0 siblings, 1 reply; 2+ messages in thread
From: Davidlohr Bueso @ 2014-07-04 21:08 UTC (permalink / raw)
To: Andrew Morton; +Cc: davidlohr, linux-kernel, linux-mm
From: Davidlohr Bueso <davidlohr@hp.com>
No brainer for this little function.
Signed-off-by: Davidlohr Bueso <davidlohr@hp.com>
---
mm/vmacache.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/vmacache.c b/mm/vmacache.c
index 9f25af8..e72b8ee 100644
--- a/mm/vmacache.c
+++ b/mm/vmacache.c
@@ -50,7 +50,7 @@ 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);
}
--
1.8.1.4
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^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH] mm,vmacache: inline vmacache_valid_mm()
2014-07-04 21:08 [PATCH] mm,vmacache: inline vmacache_valid_mm() Davidlohr Bueso
@ 2014-07-07 22:07 ` Andrew Morton
0 siblings, 0 replies; 2+ messages in thread
From: Andrew Morton @ 2014-07-07 22:07 UTC (permalink / raw)
To: Davidlohr Bueso; +Cc: linux-kernel, linux-mm
On Fri, 04 Jul 2014 14:08:03 -0700 Davidlohr Bueso <davidlohr@hp.com> wrote:
> From: Davidlohr Bueso <davidlohr@hp.com>
>
> No brainer for this little function.
>
> ...
>
> --- a/mm/vmacache.c
> +++ b/mm/vmacache.c
> @@ -50,7 +50,7 @@ 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);
> }
The patch doesn't actually do anything.
- gcc ignores `inline'
- gcc will inline this function anwyay
- if we really really need a hammer, we use __always_inline, along
with a comment explaining why.
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2014-07-04 21:08 [PATCH] mm,vmacache: inline vmacache_valid_mm() Davidlohr Bueso
2014-07-07 22:07 ` Andrew Morton
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