linux-kernel - Re: [PATCHv2 18/24] sys_swapon: call swap_cgroup

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Message-ID: <AANLkTim50m5KDdmcWixL+4-nw2kWnddOgsUaXRbrBMvR@mail.gmail.com>
Date:	Sat, 5 Mar 2011 19:25:15 +0200
From:	Pekka Enberg <penberg@...nel.org>
To:	Cesar Eduardo Barros <cesarb@...arb.net>
Cc:	linux-mm@...ck.org, Andrew Morton <akpm@...ux-foundation.org>,
	Hugh Dickins <hughd@...gle.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Minchan Kim <minchan.kim@...il.com>,
	Jens Axboe <jaxboe@...ionio.com>, linux-kernel@...r.kernel.org,
	Eric B Munson <emunson@...bm.net>
Subject: Re: [PATCHv2 18/24] sys_swapon: call swap_cgroup_swapon earlier

On Sat, Mar 5, 2011 at 6:42 PM, Cesar Eduardo Barros <cesarb@...arb.net> wrote:
> The call to swap_cgroup_swapon is in the middle of loading the swap map
> and extents. As it only does memory allocation and does not depend on
> the swapfile layout (map/extents), it can be called earlier (or later).
>
> Move it to just after the allocation of swap_map, since it is
> conceptually similar (allocates a map).
>
> Signed-off-by: Cesar Eduardo Barros <cesarb@...arb.net>
> Tested-by: Eric B Munson <emunson@...bm.net>
> Acked-by: Eric B Munson <emunson@...bm.net>

Reviewed-by: Pekka Enberg <penberg@...nel.org>
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