linux-kernel - Re: [PATCH 08/19] Simplify the check on whether cpusets are a factor or not

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Message-ID: <alpine.DEB.1.10.0902241226280.32227@qirst.com>
Date:	Tue, 24 Feb 2009 12:27:02 -0500 (EST)
From:	Christoph Lameter <cl@...ux-foundation.org>
To:	Mel Gorman <mel@....ul.ie>
cc:	Linux Memory Management List <linux-mm@...ck.org>,
	Pekka Enberg <penberg@...helsinki.fi>,
	Rik van Riel <riel@...hat.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Johannes Weiner <hannes@...xchg.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>
Subject: Re: [PATCH 08/19] Simplify the check on whether cpusets are a factor
 or not

On Tue, 24 Feb 2009, Mel Gorman wrote:

> @@ -1420,8 +1429,8 @@ zonelist_scan:
>  		if (NUMA_BUILD && zlc_active &&
>  			!zlc_zone_worth_trying(zonelist, z, allowednodes))
>  				continue;
> -		if ((alloc_flags & ALLOC_CPUSET) &&
> -			!cpuset_zone_allowed_softwall(zone, gfp_mask))
> +		if (alloc_cpuset)
> +			if (!cpuset_zone_allowed_softwall(zone, gfp_mask))
>  				goto try_next_zone;

Hmmm... Why remove the && here? Looks more confusing to me.

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