linux-kernel - Re: SLUB: Return ZERO_SIZE

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Message-ID: <Pine.LNX.4.64.0706051023040.32415@schroedinger.engr.sgi.com>
Date:	Tue, 5 Jun 2007 10:23:35 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	Pekka Enberg <penberg@...helsinki.fi>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Jeremy Fitzhardinge <jeremy@...p.org>
Subject: Re: SLUB: Return ZERO_SIZE_PTR for kmalloc(0)

On Tue, 5 Jun 2007, Pekka Enberg wrote:

> FWIW, I am happy :-). We should add a comment to kmalloc() that we return
> non-unique pointers for zero-length allocations though.

Would you do that? Could you also add ZERO_SIZE_PTR support to SLAB?
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