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Date: Wed, 17 Dec 2014 18:45:51 -0800
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Subject: Re: frequent lockups in 3.18rc4
From: Linus Torvalds <torvalds@linux-foundation.org>
To: Sasha Levin <sasha.levin@oracle.com>
Cc: Dave Jones <davej@redhat.com>, Chris Mason <clm@fb.com>,
        Mike Galbraith <umgwanakikbuti@gmail.com>,
        Ingo Molnar <mingo@kernel.org>, Peter Zijlstra <peterz@infradead.org>,
        =?UTF-8?Q?D=C3=A2niel_Fraga?= <fragabr@gmail.com>,
        "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Suresh Siddha <sbsiddha@gmail.com>, Oleg Nesterov <oleg@redhat.com>,
        Peter Anvin <hpa@linux.intel.com>
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On Wed, Dec 17, 2014 at 6:42 PM, Sasha Levin <sasha.levin@oracle.com> wrote:
>
> I guess you did "just screwed up"...

See the email to Dave, pick the fix from there, or from commit
cf3c0a1579ef ("x86: mm: fix VM_FAULT_RETRY handling")

                   Linus
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