tree 25ed40b554b3c5e5e8a34351b38ccffe336a1b40
parent 4d3702b62e004172f44870763cf56793d8de0cbf
author Christoph Lameter <clameter@sgi.com> 1211995942 -0700
committer Pekka Enberg <penberg@cs.helsinki.fi> 1216143361 +0300

slub: Add check for kfree() of non slab objects.

We can detect kfree()s on non slab objects by checking for PageCompound().
Works in the same way as for ksize. This helped me catch an invalid
kfree().

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>