linux-kernel - Re: - sys_mbind-use-cpuset-accessors-for-mems

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Date:	Fri, 12 Jan 2007 13:25:13 -0800
From:	Paul Jackson <pj@....com>
To:	linux-kernel@...r.kernel.org
Cc:	akpm@...l.org, apw@...dowen.org, clameter@...r.sgi.com,
	mm-commits@...r.kernel.org
Subject: Re: - sys_mbind-use-cpuset-accessors-for-mems_allowed.patch removed
 from -mm tree

Andrew, regarding a patch by Andy:
> +	nodemask_t allowed_nodes;
>  
>  	err = get_nodes(&nodes, nmask, maxnode);
> -	nodes_and(nodes, nodes, current->mems_allowed);
> +	allowed_nodes = cpuset_mems_allowed(current);

Not that it matters now, as we're messing with other variations,
but I notice that the above is (1) better looking than having an
#ifdef, (2) better than being broken in the NUMA yes, CPUSETS no,
config, but (3) burdens this code with another nodemask and
nodes_and() op, even in the case that CPUSETS are not configured.

-- 
                  I won't rest till it's the best ...
                  Programmer, Linux Scalability
                  Paul Jackson <pj@....com> 1.925.600.0401
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