Re: mm: slab - __cache_alloc NULL prefetch fix

[Cyrill Gorcunov]

[Christoph Lameter - Thu, Nov 20, 2008 at 12:16:28PM -0600]
| On Thu, 20 Nov 2008, Cyrill Gorcunov wrote:
| 
| > even having prefetch(NULL) as valid we do check if
| > object is not NULL anyway so I thought there is no
| > need to prefetch(NULL) in case of fail.
| 
| The object is only checked if SLAB_DEBUG is on.
| 

My fault Christoph, I've been messed by kmemcheck_slab_alloc
which in turn actually becomes zero function if not tuned on.
So -- all is fine, sorry for noise.

		- Cyrill -
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