From: Kees Cook <keescook@chromium.org>
Date: Tue, 14 Apr 2015 22:47:45 +0000 (-0700)
Subject: x86: standardize mmap_rnd() usage
X-Git-Tag: v3.2.80~36
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=333d0cf28913c5d52dc7a15d0f0a4c1444f67632;p=pandora-kernel.git

x86: standardize mmap_rnd() usage

commit 82168140bc4cec7ec9bad39705518541149ff8b7 upstream.

In preparation for splitting out ET_DYN ASLR, this refactors the use of
mmap_rnd() to be used similarly to arm, and extracts the checking of
PF_RANDOMIZE.

Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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