From: Chen Gang <gang.chen@asianux.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Mel Gorman <mgorman@suse.de>,
kosaki.motohiro@jp.fujitsu.com, riel@redhat.com,
hughd@google.com, xemul@parallels.com, rientjes@google.com,
Wanpeng Li <liwanp@linux.vnet.ibm.com>,
Cyrill Gorcunov <gorcunov@gmail.com>,
linux-mm@kvack.org,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/3] mm/shmem.c: let shmem_show_mpol() return value.
Date: Thu, 22 Aug 2013 08:52:11 +0800 [thread overview]
Message-ID: <521560BB.30006@asianux.com> (raw)
In-Reply-To: <20130821150337.bad5f71869cec813e2ded90c@linux-foundation.org>
On 08/22/2013 06:03 AM, Andrew Morton wrote:
> On Wed, 21 Aug 2013 10:23:58 +0800 Chen Gang <gang.chen@asianux.com> wrote:
>
>> Let shmem_show_mpol() return value, since it may fail.
>>
>
> This patch has no effect.
>
>> --- a/mm/shmem.c
>> +++ b/mm/shmem.c
>> @@ -883,16 +883,17 @@ redirty:
>>
>> #ifdef CONFIG_NUMA
>> #ifdef CONFIG_TMPFS
>> -static void shmem_show_mpol(struct seq_file *seq, struct mempolicy *mpol)
>> +static int shmem_show_mpol(struct seq_file *seq, struct mempolicy *mpol)
>> {
>> char buffer[64];
>>
>> if (!mpol || mpol->mode == MPOL_DEFAULT)
>> - return; /* show nothing */
>> + return 0; /* show nothing */
>>
>> mpol_to_str(buffer, sizeof(buffer), mpol);
>
> Perhaps you meant to check the mpol_to_str() return value here.
>
Yes, I will merge them together (merge Patch 2/3 and Patch 3/3).
>> seq_printf(seq, ",mpol=%s", buffer);
>> + return 0;
>> }
>>
>> static struct mempolicy *shmem_get_sbmpol(struct shmem_sb_info *sbinfo)
>
>
>
Thanks.
--
Chen Gang
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next prev parent reply other threads:[~2013-08-22 0:53 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-20 3:56 [PATCH 0/3] mm: mempolicy: the failure processing about mpol_to_str() Chen Gang
2013-08-20 3:57 ` [PATCH 1/3] mm/mempolicy.c: still fill buffer as full as possible when buffer space is not enough in mpol_to_str() Chen Gang
2013-08-20 3:58 ` [PATCH 2/3] fs/proc/task_mmu.c: check the return value of mpol_to_str() Chen Gang
2013-08-20 3:59 ` [PATCH 3/3] mm/shmem.c: " Chen Gang
2013-08-20 5:30 ` [PATCH 0/3] mm: mempolicy: the failure processing about mpol_to_str() Cyrill Gorcunov
2013-08-20 5:41 ` Chen Gang
2013-08-20 6:47 ` Cyrill Gorcunov
2013-08-20 7:48 ` Chen Gang
2013-08-20 7:51 ` Chen Gang
2013-08-20 8:09 ` Chen Gang
2013-08-20 8:13 ` Chen Gang F T
2013-08-20 8:20 ` Chen Gang
2013-08-20 8:25 ` Cyrill Gorcunov
2013-08-20 8:31 ` Chen Gang
2013-08-21 2:21 ` [PATCH 0/3] mm: shmem: check the return value of mpol_to_str() Chen Gang
2013-08-21 2:22 ` [PATCH 1/3] fs/proc/task_mmu.c: " Chen Gang
2013-08-21 2:23 ` [PATCH 2/3] mm/shmem.c: let shmem_show_mpol() return value Chen Gang
2013-08-21 2:24 ` [PATCH 3/3] mm/shmem.c: check the return value of mpol_to_str() Chen Gang
2013-08-21 22:03 ` [PATCH 2/3] mm/shmem.c: let shmem_show_mpol() return value Andrew Morton
2013-08-22 0:52 ` Chen Gang [this message]
2013-08-22 1:04 ` [PATCH] mm/shmem.c: check the return value of mpol_to_str() Chen Gang
2013-09-03 5:32 ` Chen Gang
2013-09-05 0:24 ` [PATCH v2] " Chen Gang
2013-09-09 20:30 ` David Rientjes
2013-09-10 0:47 ` Chen Gang
2013-09-10 6:43 ` David Rientjes
2013-09-10 7:01 ` Chen Gang
2013-09-12 0:33 ` David Rientjes
2013-09-12 2:19 ` KOSAKI Motohiro
2013-09-12 3:13 ` Chen Gang
2013-09-13 21:12 ` David Rientjes
2013-09-14 2:51 ` KOSAKI Motohiro
2013-09-16 3:27 ` Chen Gang
2013-09-16 20:13 ` David Rientjes
2013-09-17 0:45 ` Chen Gang
2013-09-17 22:51 ` David Rientjes
2013-09-18 1:20 ` Chen Gang
2013-09-12 3:02 ` Chen Gang
2013-09-12 18:19 ` KOSAKI Motohiro
2013-09-13 2:23 ` Chen Gang
2013-09-13 16:50 ` KOSAKI Motohiro
2013-09-16 2:55 ` Chen Gang
2013-09-16 16:16 ` KOSAKI Motohiro
2013-09-17 1:10 ` Chen Gang
2013-09-17 22:53 ` David Rientjes
2013-09-18 1:37 ` Chen Gang
2013-09-18 22:17 ` David Rientjes
2013-09-13 21:14 ` David Rientjes
2013-09-16 3:17 ` Chen Gang
2013-09-25 2:58 ` [patch] mm, mempolicy: make mpol_to_str robust and always succeed David Rientjes
2013-09-25 3:11 ` Dave Jones
2013-09-25 3:18 ` David Rientjes
2013-09-25 3:25 ` Dave Jones
2013-09-25 17:58 ` David Rientjes
2013-09-25 21:30 ` Andrew Morton
2013-09-25 22:06 ` David Rientjes
2013-08-21 5:31 ` [PATCH 0/3] mm: shmem: check the return value of mpol_to_str() Cyrill Gorcunov
2013-08-21 5:48 ` Chen Gang
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