From: Wei Yang <richard.weiyang@gmail.com>
To: cl@linux.com, penberg@kernel.org, rientjes@google.com,
iamjoonsoo.kim@lge.com, akpm@linux-foundation.org
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Wei Yang <richard.weiyang@gmail.com>
Subject: [PATCH 1/2] mm/slub: remove a redundant assignment in ___slab_alloc()
Date: Sun, 7 May 2017 11:12:14 +0800 [thread overview]
Message-ID: <20170507031215.3130-1-richard.weiyang@gmail.com> (raw)
When the code comes to this point, there are two cases:
1. cpu_slab is deactivated
2. cpu_slab is empty
In both cased, cpu_slab->freelist is NULL at this moment.
This patch removes the redundant assignment of cpu_slab->freelist.
Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
---
mm/slub.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/mm/slub.c b/mm/slub.c
index 795112b65c61..83332f19d226 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2572,7 +2572,6 @@ static void *___slab_alloc(struct kmem_cache *s, gfp_t gfpflags, int node,
page = c->page = slub_percpu_partial(c);
slub_set_percpu_partial(c, page);
stat(s, CPU_PARTIAL_ALLOC);
- c->freelist = NULL;
goto redo;
}
--
2.11.0
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next reply other threads:[~2017-05-07 3:12 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-07 3:12 Wei Yang [this message]
2017-05-07 3:12 ` [PATCH 2/2] mm/slub: reset cpu_slab's pointer in deactivate_slab() Wei Yang
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