Re: [PATCH 1/2] vmalloc: use ZERO_SIZE_PTR / ZERO_OR_NULL_PTR

[Dan Carpenter]

On Tue, Feb 28, 2012 at 01:33:59PM +0400, Dmitry Antipov wrote:
>  - Fix vmap() to return ZERO_SIZE_PTR if 0 pages are requested;
>  - fix __vmalloc_node_range() to return ZERO_SIZE_PTR if 0 bytes
>    are requested;
>  - fix __vunmap() to check passed pointer with ZERO_OR_NULL_PTR.
> 

Why?

Also patch 2/2 should go in before patch 1/2 or it breaks things.

regards,
dan carpenter

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