From 6b4f2b56a48c8ea9775bd2b29681725d4474367a Mon Sep 17 00:00:00 2001
From: Rusty Russell <rusty@rustcorp.com.au>
Date: Mon, 15 Jul 2013 11:24:08 +0930
Subject: [PATCH] mm/oom_kill: remove weird use of ERR_PTR()/PTR_ERR().

The normal expectation for ERR_PTR() is to put a negative errno into a
pointer.  oom_kill puts the magic -1 in the result (and has since
pre-git), which is probably clearer with an explicit cast.

Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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