linux-kernel - Re: [PATCH 1/3] mm, mem-hotplug: fix section mismatch. setup_per_zone_inactive_ratio() should be _

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Message-ID: <BANLkTimPB5e_A3AxS_7kuJmqciRciCm2Sw@mail.gmail.com>
Date:	Tue, 12 Apr 2011 15:18:35 +0900
From:	Minchan Kim <minchan.kim@...il.com>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Cc:	linux-mm <linux-mm@...ck.org>, LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Yasunori Goto <y-goto@...fujitsu.com>,
	Rik van Riel <riel@...hat.com>,
	Johannes Weiner <hannes@...xchg.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Mel Gorman <mel@....ul.ie>, Christoph Lameter <cl@...ux.com>
Subject: Re: [PATCH 1/3] mm, mem-hotplug: fix section mismatch.
 setup_per_zone_inactive_ratio() should be __meminit.

On Mon, Apr 11, 2011 at 5:00 PM, KOSAKI Motohiro
<kosaki.motohiro@...fujitsu.com> wrote:
> Commit bce7394a3e (page-allocator: reset wmark_min and inactive ratio of
> zone when hotplug happens) introduced invalid section references.
> Now, setup_per_zone_inactive_ratio() is marked __init and then it can't
> be referenced from memory hotplug code.
>
> Then, this patch marks it as __meminit and also marks caller as __ref.
>
> Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Reviewed-by: Minchan Kim <minchan.kim@...il.com>

Just a nitpick.

As below comment of __ref said, It would be better to add _why_ such
as memory_hotplug.c.

"so optimally document why the __ref is needed and why it's OK"

Anyway,
Thanks, KOSAKI.

-- 
Kind regards,
Minchan Kim
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