* [PATCH] mm: remove reset of pcp->counter in pageset_init()
@ 2018-10-21 2:39 Wei Yang
2018-11-07 0:34 ` Wei Yang
0 siblings, 1 reply; 2+ messages in thread
From: Wei Yang @ 2018-10-21 2:39 UTC (permalink / raw)
To: akpm, mhocko; +Cc: linux-mm, Wei Yang
per_cpu_pageset is cleared by memset, it is not necessary to reset it
again.
Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
---
mm/page_alloc.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 15ea511fb41c..730fadd9b639 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -5647,7 +5647,6 @@ static void pageset_init(struct per_cpu_pageset *p)
memset(p, 0, sizeof(*p));
pcp = &p->pcp;
- pcp->count = 0;
for (migratetype = 0; migratetype < MIGRATE_PCPTYPES; migratetype++)
INIT_LIST_HEAD(&pcp->lists[migratetype]);
}
--
2.15.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] mm: remove reset of pcp->counter in pageset_init()
2018-10-21 2:39 [PATCH] mm: remove reset of pcp->counter in pageset_init() Wei Yang
@ 2018-11-07 0:34 ` Wei Yang
0 siblings, 0 replies; 2+ messages in thread
From: Wei Yang @ 2018-11-07 0:34 UTC (permalink / raw)
To: akpm; +Cc: Wei Yang, mhocko, linux-mm
Andrew,
Do you like this tiny one :-)
On Sun, Oct 21, 2018 at 10:39:20AM +0800, Wei Yang wrote:
>per_cpu_pageset is cleared by memset, it is not necessary to reset it
>again.
>
>Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
>---
> mm/page_alloc.c | 1 -
> 1 file changed, 1 deletion(-)
>
>diff --git a/mm/page_alloc.c b/mm/page_alloc.c
>index 15ea511fb41c..730fadd9b639 100644
>--- a/mm/page_alloc.c
>+++ b/mm/page_alloc.c
>@@ -5647,7 +5647,6 @@ static void pageset_init(struct per_cpu_pageset *p)
> memset(p, 0, sizeof(*p));
>
> pcp = &p->pcp;
>- pcp->count = 0;
> for (migratetype = 0; migratetype < MIGRATE_PCPTYPES; migratetype++)
> INIT_LIST_HEAD(&pcp->lists[migratetype]);
> }
>--
>2.15.1
--
Wei Yang
Help you, Help me
^ permalink raw reply [flat|nested] 2+ messages in thread
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