On Thu, 6 Jun 2013, Johannes Weiner wrote:

From: Johannes Weiner <hannes@cmpxchg.org>
Subject: [patch] mm: invoke oom-killer from remaining unconverted page fault
 handlers

A few remaining architectures directly kill the page faulting task in
an out of memory situation.  This is usually not a good idea since
that task might not even use a significant amount of memory and so may
not be the optimal victim to resolve the situation.

Since '1c0fe6e mm: invoke oom-killer from page fault' (2.6.29) there
is a hook that architecture page fault handlers are supposed to call
to invoke the OOM killer and let it pick the right task to kill.
Convert the remaining architectures over to this hook.

To have the previous behavior of simply taking out the faulting task
the vm.oom_kill_allocating_task sysctl can be set to 1.

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>

Acked-by: David Rientjes <rientjes@google.com>