From: Richard Weinberger <richard@nod.at>
Date: Sun, 20 Jul 2014 11:09:15 +0000 (+0200)
Subject: um: Ensure that a stub page cannot get unmapped
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~259^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=284e6d39516cc7f9fbceebb259849fcb41559a7b;p=pandora-kernel.git

um: Ensure that a stub page cannot get unmapped

Trinity discovered an execution path such that a task
can unmap his stub page.

Reported-by: Toralf Förster <toralf.foerster@gmx.de>
Signed-off-by: Richard Weinberger <richard@nod.at>
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Reading git-diff-tree failed