From: David Rientjes <rientjes@google.com>
To: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Pekka Enberg <penberg@kernel.org>,
Christoph Lameter <cl@linux.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Joonsoo Kim <js1304@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
Christian Casteyde <casteyde.christian@free.fr>
Subject: Re: [RESEND PATCH] slub: fix high order page allocation problem with __GFP_NOFAIL
Date: Wed, 12 Mar 2014 17:49:43 -0700 (PDT) [thread overview]
Message-ID: <alpine.DEB.2.02.1403121748590.17116@chino.kir.corp.google.com> (raw)
In-Reply-To: <1394612780-8033-1-git-send-email-iamjoonsoo.kim@lge.com>
On Wed, 12 Mar 2014, Joonsoo Kim wrote:
> SLUB already try to allocate high order page with clearing __GFP_NOFAIL.
> But, when allocating shadow page for kmemcheck, it missed clearing
> the flag. This trigger WARN_ON_ONCE() reported by Christian Casteyde.
>
> https://bugzilla.kernel.org/show_bug.cgi?id=65991
> https://lkml.org/lkml/2013/12/3/764
>
> This patch fix this situation by using same allocation flag as original
> allocation.
>
> Reported-by: Christian Casteyde <casteyde.christian@free.fr>
> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Acked-by: David Rientjes <rientjes@google.com>
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prev parent reply other threads:[~2014-03-13 0:49 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-12 8:26 Joonsoo Kim
2014-03-13 0:49 ` David Rientjes [this message]
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