From: Andi Kleen <ak@linux.intel.com>
Date: Wed, 14 Oct 2009 04:22:47 +0000 (+0200)
Subject: HWPOISON: Allow schedule_on_each_cpu() from keventd
X-Git-Tag: v2.6.32-rc6~48^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=65a64464349883891e21e74af16c05d6e1eeb4e9;p=pandora-kernel.git

HWPOISON: Allow schedule_on_each_cpu() from keventd

Right now when calling schedule_on_each_cpu() from keventd there
is a deadlock because it tries to schedule a work item on the current CPU
too. This happens via lru_add_drain_all() in hwpoison.

Just call the function for the current CPU in this case. This is actually
faster too.

Debugging with Fengguang Wu & Max Asbock

Signed-off-by: Andi Kleen <ak@linux.intel.com>
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