tree 48c533b522cf65528c14ecfd2e7de7760badb192
parent 2a6e3ebee2edcade56f836390a5f0c7b76ff5f9e
author Cody P Schafer <cody@linux.vnet.ibm.com> 1361579725 -0800
committer Linus Torvalds <torvalds@linux-foundation.org> 1361670620 -0800

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>