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From: Bob Liu <lliubbo@gmail.com>
To: akpm@linux-foundation.org
Cc: linux-mm@kvack.org, kamezawa.hiroyu@jp.fujitsu.com,
	cesarb@cesarb.net, emunson@mgebm.net, penberg@kernel.org,
	namhyung@gmail.com, hannes@cmpxchg.org, mhocko@suse.cz,
	lucas.demarchi@profusion.mobi, aarcange@redhat.com,
	tj@kernel.org, vapier@gentoo.org, jkosina@suse.cz,
	rientjes@google.com, dan.magenheimer@oracle.com,
	Bob Liu <lliubbo@gmail.com>
Subject: [PATCH 1/4] page cgroup: using vzalloc instead of vmalloc
Date: Thu, 4 Aug 2011 11:09:47 +0800	[thread overview]
Message-ID: <1312427390-20005-1-git-send-email-lliubbo@gmail.com> (raw)

Signed-off-by: Bob Liu <lliubbo@gmail.com>
---
 mm/page_cgroup.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/mm/page_cgroup.c b/mm/page_cgroup.c
index 39d216d..6bdc67d 100644
--- a/mm/page_cgroup.c
+++ b/mm/page_cgroup.c
@@ -513,11 +513,10 @@ int swap_cgroup_swapon(int type, unsigned long max_pages)
 	length = DIV_ROUND_UP(max_pages, SC_PER_PAGE);
 	array_size = length * sizeof(void *);
 
-	array = vmalloc(array_size);
+	array = vzalloc(array_size);
 	if (!array)
 		goto nomem;
 
-	memset(array, 0, array_size);
 	ctrl = &swap_cgroup_ctrl[type];
 	mutex_lock(&swap_cgroup_mutex);
 	ctrl->length = length;
-- 
1.6.3.3


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             reply	other threads:[~2011-08-04  3:05 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-08-04  3:09 Bob Liu [this message]
2011-08-04  3:09 ` [PATCH 2/4] frontswap: using vzalloc instead of vmalloc Bob Liu
2011-08-04  3:09   ` [PATCH 3/4] sparse: using kzalloc to clean up code Bob Liu
2011-08-04  3:09     ` [PATCH 4/4] percpu: rename pcpu_mem_alloc to pcpu_mem_zalloc Bob Liu
2011-08-04  6:13       ` Pekka Enberg
2011-08-04  8:09       ` Michal Hocko
2011-08-04  9:04       ` Tejun Heo
2011-08-04  6:10     ` [PATCH 3/4] sparse: using kzalloc to clean up code Pekka Enberg
2011-08-04  6:55       ` Bob Liu
2011-08-04  7:22         ` Johannes Weiner
2011-08-04  7:26     ` Johannes Weiner
2011-08-04  7:37       ` Pekka Enberg
2011-08-04  8:07     ` Michal Hocko
2011-08-04  7:57   ` [PATCH 2/4] frontswap: using vzalloc instead of vmalloc Michal Hocko
2011-08-04  8:14     ` Johannes Weiner
2011-08-04  9:00       ` Michal Hocko
2011-08-04 16:47         ` Dan Magenheimer
2011-08-05  2:36           ` Bob Liu
2011-08-05  2:45             ` Dan Magenheimer
2011-08-05  2:57               ` Bob Liu
2011-08-05 18:13                 ` Dan Magenheimer
2011-08-06  3:59                   ` Bob Liu
2011-08-04  6:02 ` [PATCH 1/4] page cgroup: " Pekka Enberg
2011-08-04  7:23 ` Johannes Weiner
2011-08-04  7:53 ` Michal Hocko
2011-08-08  0:56 ` KAMEZAWA Hiroyuki

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