tree 449331a4649fb1dd019509d6c5a7ae71bbc05157
parent b4916cb17c261a6043bcb2a98d0d6512497a7cf8
author Cyrill Gorcunov <gorcunov@openvz.org> 1353791833 +0400
committer Tejun Heo <tj@kernel.org> 1354458184 -0800

mm, percpu: Make sure percpu_alloc early parameter has an argument

Otherwise we are getting a nil dereference if percpu_alloc kernel boot
argument is specified without value.

 | [    0.000000] BUG: unable to handle kernel NULL pointer dereference at           (null)
 | [    0.000000] IP: [<ffffffff81391360>] strcmp+0x10/0x30

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Tejun Heo <tj@kernel.org>