From: Mike Travis <travis@sgi.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: Andrew Morton <akpm@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH 1/1] sched: Reduce stack size in isolated_cpu_setup()
Date: Tue, 01 Jul 2008 10:32:50 -0700 [thread overview]
Message-ID: <486A6A42.5050606@sgi.com> (raw)
Subject: sched: Reduce stack size in isolated_cpu_setup()
* Remove 16k stack requirements in isolated_cpu_setup when NR_CPUS=4096.
(Somehow this patch was misplaced from some months back.)
Based on linux-2.6.tip/master
Signed-off-by: Mike Travis <travis@sgi.com>
---
kernel/sched.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- linux-2.6.tip.orig/kernel/sched.c
+++ linux-2.6.tip/kernel/sched.c
@@ -6739,7 +6739,8 @@ static cpumask_t cpu_isolated_map = CPU_
/* 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);
next reply other threads:[~2008-07-01 17:32 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-01 17:32 Mike Travis [this message]
2008-07-18 9:56 ` [PATCH 1/1] sched: Reduce stack size in isolated_cpu_setup() Ingo Molnar
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