From: Pekka Enberg <penberg@kernel.org>
To: Ezequiel Garcia <elezegarcia@gmail.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Tim Bird <tim.bird@am.sony.com>
Subject: Re: [PATCH 1/3] mm/slob: Drop usage of page->private for storing page-sized allocations
Date: Wed, 31 Oct 2012 08:56:42 +0200 [thread overview]
Message-ID: <CAOJsxLHxgeYEmfoLrzaTNGj88xOhteBKFJKVzPqzrte-B18nSg@mail.gmail.com> (raw)
In-Reply-To: <1350600107-4558-1-git-send-email-elezegarcia@gmail.com>
On Fri, Oct 19, 2012 at 1:41 AM, Ezequiel Garcia <elezegarcia@gmail.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@kernel.org>
> Acked-by: Christoph Lameter <cl@linux.com>
> Signed-off-by: Ezequiel Garcia <elezegarcia@gmail.com>
Applied all three patches. Thanks, Ezequiel!
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prev parent reply other threads:[~2012-10-31 6:56 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-18 22:41 Ezequiel Garcia
2012-10-18 22:41 ` [PATCH 2/3] mm/slob: Use object_size field in kmem_cache_size() Ezequiel Garcia
2012-10-18 22:50 ` David Rientjes
2012-10-18 22:41 ` [PATCH 3/3] mm/sl[aou]b: Move common kmem_cache_size() to slab.h Ezequiel Garcia
2012-10-18 22:46 ` [PATCH 1/3] mm/slob: Drop usage of page->private for storing page-sized allocations David Rientjes
2012-10-19 12:31 ` Ezequiel Garcia
2012-10-31 6:56 ` Pekka Enberg [this message]
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