linux-kernel - Re: + fix-spellings-of-slab-allocator-section-in-init-kconfig.patch added to -mm tree

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Message-ID: <Pine.LNX.4.64.0705081917220.17931@schroedinger.engr.sgi.com>
Date:	Tue, 8 May 2007 19:20:10 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	Nick Piggin <nickpiggin@...oo.com.au>
cc:	David Miller <davem@...emloft.net>, mpm@...enic.com,
	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: + fix-spellings-of-slab-allocator-section-in-init-kconfig.patch
 added to -mm tree

On Wed, 9 May 2007, Nick Piggin wrote:

> Right. You only need to know blob boundaries for free blobs (so you can
> allocate from or merge to). For allocated blobs, you know the start
> (which is the address of the memory), and the end (which is the start +
> the size contained in kmem_cache structure).

For kmalloc caches you will not have the object size on kfree. In that 
case the slob_t structure is needed before the object.

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