Re: [PATCH 07/11] Memory compaction core

[Jonathan Corbet]

On Wed, 24 Mar 2010 13:33:47 -0700
Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:

> > +	VM_BUG_ON(cc == NULL);  
> 
> It's a bit strange to test this when we're about to oops anyway.  The
> oops will tell us the same thing.

...except that we've seen a fair number of null pointer dereference
exploits that have told us something altogether different.  Are we
*sure* we don't want to test for null pointers...?

jon
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