linux-kernel - Re: [PATCH 2/8] Split the free lists into kernel and user parts

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Message-Id: <1157702040.17799.40.camel@lappy>
Date:	Fri, 08 Sep 2006 09:54:00 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Mel Gorman <mel@....ul.ie>
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/8] Split the free lists into kernel and user parts

Hi Mel,

Looking good, some small nits follow.

On Thu, 2006-09-07 at 20:04 +0100, Mel Gorman wrote:

> +#define for_each_rclmtype_order(type, order) \
> +	for (order = 0; order < MAX_ORDER; order++) \
> +		for (type = 0; type < RCLM_TYPES; type++)

It seems odd to me that you have the for loops in reverse order of the
arguments.

> +static inline int get_pageblock_type(struct page *page)
> +{
> +	return (PageEasyRclm(page) != 0);
> +}

I find the naming a little odd, I would have suspected something like:
get_page_blocktype() or thereabout since you're getting a page
attribute.

> +static inline int gfpflags_to_rclmtype(unsigned long gfp_flags)
> +{
> +	return ((gfp_flags & __GFP_EASYRCLM) != 0);
> +}

gfp_t argument?


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