From: Sven Wegener <sven.wegener@stealer.net>
Date: Wed, 11 Feb 2009 21:04:23 +0000 (-0800)
Subject: mm: fix dirty_bytes/dirty_background_bytes sysctls on 64bit arches
X-Git-Tag: v2.6.29-rc5~25
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fc3501d411d34823fb9be248a95a0c44f945866f;p=pandora-kernel.git

mm: fix dirty_bytes/dirty_background_bytes sysctls on 64bit arches

We need to pass an unsigned long as the minimum, because it gets casted
to an unsigned long in the sysctl handler. If we pass an int, we'll
access four more bytes on 64bit arches, resulting in a random minimum
value.

[rientjes@google.com: fix type of `old_bytes']
Signed-off-by: Sven Wegener <sven.wegener@stealer.net>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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