linux-kernel - Re: [patch 03/26] Slab allocators: Consistent ZERO_SIZE

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Date:	Mon, 18 Jun 2007 23:08:03 +0300
From:	"Pekka Enberg" <penberg@...helsinki.fi>
To:	"clameter@....com" <clameter@....com>
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, suresh.b.siddha@...el.com
Subject: Re: [patch 03/26] Slab allocators: Consistent ZERO_SIZE_PTR support and NULL result semantics

On 6/18/07, clameter@....com <clameter@....com> wrote:
> Define ZERO_OR_NULL_PTR macro to be able to remove the checks
> from the allocators. Move ZERO_SIZE_PTR related stuff into slab.h.
>
> Make ZERO_SIZE_PTR work for all slab allocators and get rid of the
> WARN_ON_ONCE(size == 0) that is still remaining in SLAB.
>
> Make slub return NULL like the other allocators if a too large
> memory segment is requested via __kmalloc.

Looks good to me.

Acked-by: Pekka Enberg <penberg@...helsinki.fi>
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