tree 2b5304a71a3b2ef2f0665e4e2d9262c6c6918848
parent 9d9c3a51e7b20dcd63b8cc534035af99a41d03e4
author Linus Torvalds <torvalds@linux-foundation.org> 1265415410 -0800
committer Linus Torvalds <torvalds@linux-foundation.org> 1265490037 -0800

Fix potential crash with sys_move_pages

We incorrectly depended on the 'node_state/node_isset()' functions
testing the node range, rather than checking it explicitly.  That's not
reliable, even if it might often happen to work.  So do the proper
explicit test.

Reported-by: Marcus Meissner <meissner@suse.de>
Acked-and-tested-by: Brice Goglin <Brice.Goglin@inria.fr>
Acked-by: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>