linux-kernel - Re: [PATCHv6 1/8] zsmalloc: add to mm/

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Message-ID: <20130221203650.GB3778@negative>
Date:	Thu, 21 Feb 2013 12:36:50 -0800
From:	Cody P Schafer <cody@...ux.vnet.ibm.com>
To:	Seth Jennings <sjenning@...ux.vnet.ibm.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Nitin Gupta <ngupta@...are.org>,
	Minchan Kim <minchan@...nel.org>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Dan Magenheimer <dan.magenheimer@...cle.com>,
	Robert Jennings <rcj@...ux.vnet.ibm.com>,
	Jenifer Hopper <jhopper@...ibm.com>,
	Mel Gorman <mgorman@...e.de>,
	Johannes Weiner <jweiner@...hat.com>,
	Rik van Riel <riel@...hat.com>,
	Larry Woodman <lwoodman@...hat.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Dave Hansen <dave@...ux.vnet.ibm.com>,
	Joe Perches <joe@...ches.com>,
	Joonsoo Kim <iamjoonsoo.kim@....com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org
Subject: Re: [PATCHv6 1/8] zsmalloc: add to mm/

On Wed, Feb 20, 2013 at 04:04:41PM -0600, Seth Jennings wrote:
> diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
> +#define MAX(a, b) ((a) >= (b) ? (a) : (b))
> +/* ZS_MIN_ALLOC_SIZE must be multiple of ZS_ALIGN */
> +#define ZS_MIN_ALLOC_SIZE \
> +	MAX(32, (ZS_MAX_PAGES_PER_ZSPAGE << PAGE_SHIFT >> OBJ_INDEX_BITS))

Could you use the max(a,b) defined in include/linux/kernel.h?

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