Re: [PATCH v2] mm: slab: Verify the nodeid passed to ____cache_alloc_node

From: Rik van Riel
Date: Mon Feb 25 2013 - 12:45:52 EST


On 02/25/2013 12:18 PM, Aaron Tomlin wrote:

mm: slab: Verify the nodeid passed to ____cache_alloc_node

If the nodeid is > num_online_nodes() this can cause an
Oops and a panic(). The purpose of this patch is to assert
if this condition is true to aid debugging efforts rather
than some random NULL pointer dereference or page fault.

Signed-off-by: Aaron Tomlin <atomlin@xxxxxxxxxx>

Reviewed-by: Rik van Riel <riel@xxxxxxxxxx>

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