linux-kernel - Re: [PATCH 2/3] add inactive ratio calculation function of each zone V2

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Message-Id: <20090526223002.f283bcd2.akpm@linux-foundation.org>
Date:	Tue, 26 May 2009 22:30:02 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Minchan Kim <minchan.kim@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>, linux-mm <linux-mm@...ck.org>,
	Mel Gorman <mel@....ul.ie>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Rik van Riel <riel@...hat.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Yasunori Goto <y-goto@...fujitsu.com>
Subject: Re: [PATCH 2/3] add inactive ratio calculation function of each
 zone V2

On Thu, 21 May 2009 09:23:21 +0900 Minchan Kim <minchan.kim@...il.com> wrote:

> Changelog since V1 
>  o Change function name from calculate_zone_inactive_ratio to calculate_inactive_ratio
>    - by Mel Gorman advise
>  o Modify tab indent - by Mel Gorman advise

The first two patches still had various trivial whitespace bustages. 
You don't need Mel to find these things when we have the very nice
scripts/checkpatch.pl.  Please incorporate that script into your patch
preparation tools

> This patch devide setup_per_zone_inactive_ratio with
> per-zone inactive ratio calculaton.

The above sentence appears to be the changelog for this patch but it
doesn't make a lot of sense.

afaict the changelog should be:

"factor the per-zone arithemetic inside
setup_per_zone_inactive_ratio()'s loop into a a separate function,
calculate_zone_inactive_ratio().  This function will be used in a later
patch".

yes?


> This patch is just for helping my next patch.
> (reset wmark_min and inactive ratio of zone when hotplug happens)
> 
> Signed-off-by: Minchan Kim <minchan.kim@...il.com>
> Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
> CC: Rik van Riel <riel@...hat.com>
> CC: Johannes Weiner <hannes@...xchg.org>
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