From: Ingo Molnar <mingo@elte.hu>
Date: Sat, 10 Feb 2007 09:46:36 +0000 (-0800)
Subject: [PATCH] highmem: catch illegal nesting
X-Git-Tag: v2.6.21-rc1~274^2~250
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=656dad312fb41ed95ef08325e9df9bece3aacbbb;p=pandora-kernel.git

[PATCH] highmem: catch illegal nesting

Catch illegally nested kmap_atomic()s even if the page that is mapped by
the 'inner' instance is from lowmem.

This avoids spuriously zapped kmap-atomic ptes and turns hard to find
crashes into clear asserts at the bug site.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

Reading git-diff-tree failed