From: Cody P Schafer <cody@linux.vnet.ibm.com>
Date: Sat, 23 Feb 2013 00:35:25 +0000 (-0800)
Subject: mm/page_alloc: add a VM_BUG in __free_one_page() if the zone is uninitialized.
X-Git-Tag: v3.9-rc1~99^2~34
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d29bb9782d22063892e28716cdb76a87d2876ddb;p=pandora-kernel.git

mm/page_alloc: add a VM_BUG in __free_one_page() if the zone is uninitialized.

Freeing pages to uninitialized zones is not handled by
__free_one_page(), and should never happen when the code is correct.

Ran into this while writing some code that dynamically onlines extra
zones.

Signed-off-by: Cody P Schafer <cody@linux.vnet.ibm.com>
Cc: David Hansen <dave@linux.vnet.ibm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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