From: Glauber Costa <glommer@parallels.com>
To: cgroups@vger.kernel.org
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
devel@openvz.org, kamezawa.hiroyu@jp.fujitsu.com,
Michal Hocko <mhocko@suse.cz>,
Johannes Weiner <hannes@cmpxchg.org>,
Frederic Weisbecker <fweisbec@gmail.com>,
Greg Thelen <gthelen@google.com>,
Suleiman Souhlal <suleiman@google.com>,
Glauber Costa <glommer@parallels.com>
Subject: [PATCH 02/23] slub: always get the cache from its page in kfree
Date: Fri, 20 Apr 2012 18:48:59 -0300 [thread overview]
Message-ID: <1334958560-18076-3-git-send-email-glommer@parallels.com> (raw)
In-Reply-To: <1334958560-18076-1-git-send-email-glommer@parallels.com>
struct page already have this information. If we start chaining
caches, this information will always be more trustworthy than
whatever is passed into the function
Signed-off-by: Glauber Costa <glommer@parallels.com>
---
mm/slub.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/mm/slub.c b/mm/slub.c
index af8cee9..2652e7c 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2600,7 +2600,7 @@ void kmem_cache_free(struct kmem_cache *s, void *x)
page = virt_to_head_page(x);
- slab_free(s, page, x, _RET_IP_);
+ slab_free(page->slab, page, x, _RET_IP_);
trace_kmem_cache_free(_RET_IP_, x);
}
--
1.7.7.6
--
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next prev parent reply other threads:[~2012-04-20 21:50 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-20 21:48 [PATCH 00/23] slab+slub accounting for memcg Glauber Costa
2012-04-20 21:48 ` [PATCH 01/23] slub: don't create a copy of the name string in kmem_cache_create Glauber Costa
2012-04-20 21:48 ` Glauber Costa [this message]
2012-04-20 21:49 ` [PATCH 03/23] slab: rename gfpflags to allocflags Glauber Costa
2012-04-20 21:49 ` [PATCH 04/23] memcg: Make it possible to use the stock for more than one page Glauber Costa
2012-04-20 21:49 ` [PATCH 05/23] memcg: Reclaim when more than one page needed Glauber Costa
2012-04-20 21:49 ` [PATCH 06/23] slab: use obj_size field of struct kmem_cache when not debugging Glauber Costa
2012-04-20 21:49 ` [PATCH 07/23] change defines to an enum Glauber Costa
2012-04-20 21:49 ` [PATCH 08/23] don't force return value checking in res_counter_charge_nofail Glauber Costa
2012-04-20 22:01 ` [PATCH 00/23] slab+slub accounting for memcg Glauber Costa
2012-04-30 21:43 ` Suleiman Souhlal
2012-05-02 15:14 ` Glauber Costa
2012-04-20 21:57 Glauber Costa
2012-04-20 21:57 ` [PATCH 02/23] slub: always get the cache from its page in kfree Glauber Costa
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