Re: kmalloc zero size changes break i386

[Pekka Enberg]

Linus Torvalds wrote:
> Ok, I think I see it: I think the mm/slab.c conversion of kmalloc(0) is
> totally broken.
>
> The problem? It returns ZERO_SIZE_PTR from __find_general_cachep(), not 
> from __kmalloc(). So anythign that uses __find_general_cachep() will get 
> an invalid cachep pointer, which was not the point.
>
> Does something like this fix it?

I wondered about that too but I didn't spot any callers that would 
actually break. Andi? Roland?

> Christoph, please go over this and see if there are other cases like that.

__do_kmalloc_node probably.


				Pekka
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