From: Vlastimil Babka <vbabka@suse.cz>
To: Michal Hocko <mhocko@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>,
Mel Gorman <mgorman@suse.de>,
Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>,
Dave Hansen <dave.hansen@intel.com>,
linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>,
Michal Hocko <mhocko@suse.com>
Subject: Re: [PATCH 1/2] mm: consolidate warn_alloc_failed users
Date: Thu, 29 Sep 2016 11:23:18 +0200 [thread overview]
Message-ID: <100a197a-f173-6793-4237-473e54ef2767@suse.cz> (raw)
In-Reply-To: <20160929084407.7004-2-mhocko@kernel.org>
On 09/29/2016 10:44 AM, Michal Hocko wrote:
> From: Michal Hocko <mhocko@suse.com>
>
> warn_alloc_failed is currently used from the page and vmalloc
> allocators. This is a good reuse of the code except that vmalloc would
> appreciate a slightly different warning message. This is already handled
> by the fmt parameter except that
>
> "%s: page allocation failure: order:%u, mode:%#x(%pGg)"
>
> is printed anyway. This might be quite misleading because it might be
> a vmalloc failure which leads to the warning while the page allocator is
> not the culprit here. Fix this by always using the fmt string and only
> print the context that makes sense for the particular context (e.g.
> order makes only very little sense for the vmalloc context). Rename
> the function to not miss any user and also because a later patch will
> reuse it also for !failure cases.
>
> Signed-off-by: Michal Hocko <mhocko@suse.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
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next prev parent reply other threads:[~2016-09-29 9:23 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-23 8:15 [PATCH] mm: warn about allocations which stall for too long Michal Hocko
2016-09-23 8:29 ` Hillf Danton
2016-09-23 8:32 ` Michal Hocko
2016-09-23 8:44 ` Hillf Danton
2016-09-23 9:15 ` Michal Hocko
2016-09-23 14:36 ` Tetsuo Handa
2016-09-23 15:02 ` Michal Hocko
2016-09-24 3:00 ` Tetsuo Handa
2016-09-26 8:17 ` Michal Hocko
2016-09-27 12:57 ` Tetsuo Handa
2016-09-29 8:48 ` Michal Hocko
2016-09-23 17:34 ` Dave Hansen
2016-09-24 13:19 ` Balbir Singh
2016-09-26 8:13 ` Michal Hocko
2016-09-26 8:12 ` Michal Hocko
2016-09-29 8:44 ` [PATCH 0/2] " Michal Hocko
2016-09-29 8:44 ` [PATCH 1/2] mm: consolidate warn_alloc_failed users Michal Hocko
2016-09-29 9:23 ` Vlastimil Babka [this message]
2016-09-29 8:44 ` [PATCH 2/2] mm: warn about allocations which stall for too long Michal Hocko
2016-09-29 9:02 ` Tetsuo Handa
2016-09-29 9:10 ` Michal Hocko
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