From: Rusty Russell <rusty@rustcorp.com.au>
Date: Mon, 24 Nov 2008 16:05:12 +0000 (+1030)
Subject: sched: convert cpu_isolated_map to cpumask_var_t.
X-Git-Tag: v2.6.29-rc1~538^2~39
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dcc30a35f71bcf51f1e9b336dc5e41923071509a;p=pandora-kernel.git

sched: convert cpu_isolated_map to cpumask_var_t.

Impact: stack usage reduction, (future) size reduction, cleanup

Dynamically allocating cpumasks (when CONFIG_CPUMASK_OFFSTACK) saves
space for small nr_cpu_ids but big CONFIG_NR_CPUS.  cpumask_var_t
is just a struct cpumask for !CONFIG_CPUMASK_OFFSTACK.

We can also use cpulist_parse() instead of doing it manually in
isolated_cpu_setup.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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