From: Johannes Weiner <hannes@cmpxchg.org>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Mel Gorman <mel@csn.ul.ie>, LKML <linux-kernel@vger.kernel.org>,
linux-mm <linux-mm@kvack.org>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] introduce for_each_populated_zone() macro
Date: Tue, 10 Feb 2009 11:37:32 +0100 [thread overview]
Message-ID: <20090210103731.GA1740@cmpxchg.org> (raw)
In-Reply-To: <20090210162220.6FBC.KOSAKI.MOTOHIRO@jp.fujitsu.com>
On Tue, Feb 10, 2009 at 04:39:13PM +0900, KOSAKI Motohiro wrote:
>
> Impact: cleanup
>
> In almost case, for_each_zone() is used with populated_zone().
> It's because almost function doesn't need memoryless node information.
> Therefore, for_each_populated_zone() can help to make code simplify.
>
> This patch doesn't have any functional change.
>
> Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
> Cc: Mel Gorman <mel@csn.ul.ie>
> ---
> include/linux/mmzone.h | 11 +++++++++++
> kernel/power/snapshot.c | 9 +++------
> kernel/power/swsusp.c | 17 ++++++++---------
> mm/page_alloc.c | 26 +++++---------------------
> mm/vmscan.c | 6 +-----
> mm/vmstat.c | 11 ++---------
> 6 files changed, 30 insertions(+), 50 deletions(-)
Nice!
Reviewed-by: Johannes Weiner <hannes@cmpxchg.org>
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next prev parent reply other threads:[~2009-02-10 10:38 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-10 7:39 KOSAKI Motohiro
2009-02-10 10:37 ` Johannes Weiner [this message]
2009-02-10 13:50 ` Mel Gorman
2009-02-10 14:13 ` KOSAKI Motohiro
2009-02-10 14:21 ` Mel Gorman
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