From: Mike Travis <travis@sgi.com>
Date: Tue, 1 Jul 2008 17:32:50 +0000 (-0700)
Subject: sched: reduce stack size in isolated_cpu_setup()
X-Git-Tag: v2.6.27-rc1~515^2~4
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=13b40c1e40f3261e83ee514a08b77dbecb93021b;p=linux-2.6

sched: reduce stack size in isolated_cpu_setup()

  * Remove 16k stack requirements in isolated_cpu_setup when NR_CPUS=4096.

Signed-off-by: Mike Travis <travis@sgi.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/kernel/sched.c b/kernel/sched.c
index 99e6d850ec..1ee18dbb45 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -6768,7 +6768,8 @@ static cpumask_t cpu_isolated_map = CPU_MASK_NONE;
 /* Setup the mask of cpus configured for isolated domains */
 static int __init isolated_cpu_setup(char *str)
 {
-	int ints[NR_CPUS], i;
+	static int __initdata ints[NR_CPUS];
+	int i;
 
 	str = get_options(str, ARRAY_SIZE(ints), ints);
 	cpus_clear(cpu_isolated_map);