linux-kernel - Re: [PATCH 04/25] Check only once if the zonelist is suitable for the allocation

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Message-Id: <20090421120258.F122.A69D9226@jp.fujitsu.com>
Date:	Tue, 21 Apr 2009 12:03:31 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	Mel Gorman <mel@....ul.ie>
Cc:	kosaki.motohiro@...fujitsu.com,
	Linux Memory Management List <linux-mm@...ck.org>,
	Christoph Lameter <cl@...ux-foundation.org>,
	Nick Piggin <npiggin@...e.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Lin Ming <ming.m.lin@...el.com>,
	Zhang Yanmin <yanmin_zhang@...ux.intel.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Pekka Enberg <penberg@...helsinki.fi>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 04/25] Check only once if the zonelist is suitable for the allocation

> -restart:
> -	z = zonelist->_zonerefs;  /* the list of zones suitable for gfp_mask */
> -
> +	/* the list of zones suitable for gfp_mask */
> +	z = zonelist->_zonerefs;
>  	if (unlikely(!z->zone)) {
>  		/*
>  		 * Happens if we have an empty zonelist as a result of
> @@ -1497,6 +1496,7 @@ restart:
>  		return NULL;
>  	}
>  
> +restart:
>  	page = get_page_from_freelist(gfp_mask|__GFP_HARDWALL, nodemask, order,
>  			zonelist, high_zoneidx, ALLOC_WMARK_LOW|ALLOC_CPUSET);
>  	if (page)

looks good.

	Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>


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