Re: [PATCH] slab: deal with NULL pointers passed to kmem_cache_free

[Andrew Morton]

On Wed, 21 Mar 2007 16:41:19 +0200 "Pekka Enberg" <penberg@xxxxxxxxxxxxxx> wrote:

> On 3/21/07, Rafael J. Wysocki <rjw@xxxxxxx> wrote:
> > IMHO one way to find them is to actually slow down kmem_cache_free() and see
> > where the performance is hurt.
> 
> Yeah, I'll try to sneak a patch past Andrew.

That would be sneaky.

Thing is, such a patch would amount to adding a test-for-NULL to codepaths
which we *know* do not need it.  There is no point in doing that.
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