Re: [PATCH] scsi: fix sense_slab/bio swapping livelock

[Pekka Enberg]

On Tue, 8 Apr 2008, Pekka J Enberg wrote:
> > So something like the following (totally untested) patch modulo the 
> > pre-allocation bits.

Linus Torvalds wrote:
> Hmm. I didn't check, but won't this cause problems on the freeing path 
> when we call kmem_cache_free() on the result but with the wrong "struct 
> kmem_cache" pointer?

Aah, yes. I was thinking of kmalloc() here for which it works as 
expected because kfree() will return the page to the proper cache. But 
we can relax the rules of kmem_cache_free() a bit to make this work (but 
perhaps add a WARN_ON() there if cache doesn't match page->slab).

			Pekka
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