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

From: Minchan Kim
Date: Tue Apr 12 2011 - 02:18:41 EST

On Mon, Apr 11, 2011 at 5:00 PM, KOSAKI Motohiro
<kosaki.motohiro@xxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxx>
Reviewed-by: Minchan Kim <>

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"

Thanks, KOSAKI.

Kind regards,
Minchan Kim
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