From: andyliu <liudeyan@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: mingo@elte.hu, akpm@osdl.org
Subject: [PATCH]add an ifdef in sched.c
Date: Fri, 5 Nov 2004 20:02:00 +0800 [thread overview]
Message-ID: <aad1205e04110504023d53ce65@mail.gmail.com> (raw)
hi
I have found that in sched.c. the macro for_each_domain only useful
for the config
that has CONFIG_SMP defined. so i add an ifdef in sched.c.
below is the patch
--- linux-2.6.10-rc1/kernel/sched.c 2004-10-23 05:40:05.000000000 +0800
+++ linux-2.6.10-rc1-new/kernel/sched.c 2004-11-04 16:34:55.000000000 +0800
@@ -281,8 +281,10 @@
static DEFINE_PER_CPU(struct runqueue, runqueues);
-#define for_each_domain(cpu, domain) \
+#ifdef CONFIG_SMP
+# define for_each_domain(cpu, domain) \
for (domain = cpu_rq(cpu)->sd; domain; domain = domain->parent)
+#endif
#define cpu_rq(cpu) (&per_cpu(runqueues, (cpu)))
#define this_rq() (&__get_cpu_var(runqueues))
thanks for reading.
--
Yours andyliu
next reply other threads:[~2004-11-05 12:02 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-05 12:02 andyliu [this message]
2004-11-05 12:06 ` Ingo Molnar
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