linux-kernel - Re: [PATCH 2/4] mm, page_alloc: warn

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Message-ID: <034c01d270a4$a9619da0$fc24d8e0$@alibaba-inc.com>
Date:   Tue, 17 Jan 2017 17:32:45 +0800
From:   "Hillf Danton" <hillf.zj@...baba-inc.com>
To:     "'Michal Hocko'" <mhocko@...nel.org>,
        "'Andrew Morton'" <akpm@...ux-foundation.org>
Cc:     "'Johannes Weiner'" <hannes@...xchg.org>,
        "'Mel Gorman'" <mgorman@...e.de>,
        "'Vlastimil Babka'" <vbabka@...e.cz>,
        "'David Rientjes'" <rientjes@...gle.com>, <linux-mm@...ck.org>,
        "'LKML'" <linux-kernel@...r.kernel.org>,
        "'Michal Hocko'" <mhocko@...e.com>
Subject: Re: [PATCH 2/4] mm, page_alloc: warn_alloc print nodemask


On Tuesday, January 17, 2017 5:16 PM Michal Hocko wrote: 
> 
> From: Michal Hocko <mhocko@...e.com>
> 
> warn_alloc is currently used for to report an allocation failure or an
> allocation stall. We print some details of the allocation request like
> the gfp mask and the request order. We do not print the allocation
> nodemask which is important when debugging the reason for the allocation
> failure as well. We alreaddy print the nodemask in the OOM report.
> 
> Add nodemask to warn_alloc and print it in warn_alloc as well.
> 
> Changes since v1
> - print cpusets as well - Vlastimil
> 
> Acked-by: Mel Gorman <mgorman@...e.de>
> Signed-off-by: Michal Hocko <mhocko@...e.com>
> ---
Acked-by: Hillf Danton <hillf.zj@...baba-inc.com>