linux-kernel - Re: [PATCH 1/3] mm/slob: Drop usage of page->private for storing page-sized allocations

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Message-ID: <CAOJsxLHxgeYEmfoLrzaTNGj88xOhteBKFJKVzPqzrte-B18nSg@mail.gmail.com>
Date:	Wed, 31 Oct 2012 08:56:42 +0200
From:	Pekka Enberg <penberg@...nel.org>
To:	Ezequiel Garcia <elezegarcia@...il.com>
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	Tim Bird <tim.bird@...sony.com>
Subject: Re: [PATCH 1/3] mm/slob: Drop usage of page->private for storing
 page-sized allocations

On Fri, Oct 19, 2012 at 1:41 AM, Ezequiel Garcia <elezegarcia@...il.com> wrote:
> This field was being used to store size allocation so it could be
> retrieved by ksize(). However, it is a bad practice to not mark a page
> as a slab page and then use fields for special purposes.
> There is no need to store the allocated size and
> ksize() can simply return PAGE_SIZE << compound_order(page).
>
> Cc: Pekka Penberg <penberg@...nel.org>
> Acked-by: Christoph Lameter <cl@...ux.com>
> Signed-off-by: Ezequiel Garcia <elezegarcia@...il.com>

Applied all three patches. Thanks, Ezequiel!
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