linux-kernel - Re: 'struct task_struct' has no member named 'mems

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Message-Id: <20070112132016.f11ffc8a.pj@sgi.com>
Date:	Fri, 12 Jan 2007 13:20:16 -0800
From:	Paul Jackson <pj@....com>
To:	Christoph Lameter <clameter@....com>
Cc:	akpm@...l.org, sander@...ilis.net, linux-kernel@...r.kernel.org
Subject: Re: 'struct task_struct' has no member named 'mems_allowed'  (was:
 Re: 2.6.20-rc4-mm1)

Christoph wrote:
> +++ linux-2.6.20-rc4-mm1/mm/mempolicy.c	2007-01-12 13:21:30.220968608 -0600
> ...
> +#ifdef CONFIG_CPUSETS

Argh - minor detail, but this is the first (outside of fs/proc/base.c)
"#ifdef CONFIG_CPUSETS" in a kernel *.c file.  I prefer to avoid that.

How about doing this as I suggested in my previous message, like the
other cpuset hooks, with a cpuset_* macro in include/linux/cpuset.h?

This macro would either be the 'nodes_and(...)' code if CPUSETS are
configured, else a no-op.  Say something like ...

	cpuset_restrict_to_current_mems_allowed(nodes);

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