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DateFri, 17 Jan 2003 04:27:15 -0500 (EST)
FromZwane Mwaikambo <>
Subject[PATCH][2.5] per-CPU task runqueues
This patch simply switches over to per-CPU runqueues as defined by the new 
per cpu api.

Index: linux-2.5.59/kernel/sched.c
===================================================================
RCS file: /build/cvsroot/linux-2.5.59/kernel/sched.c,v
retrieving revision 1.1.1.1
diff -u -r1.1.1.1 sched.c
--- linux-2.5.59/kernel/sched.c	17 Jan 2003 02:46:29 -0000	1.1.1.1
+++ linux-2.5.59/kernel/sched.c	17 Jan 2003 08:33:12 -0000
@@ -160,9 +160,9 @@
 	atomic_t nr_iowait;
 } ____cacheline_aligned;
 
-static struct runqueue runqueues[NR_CPUS] __cacheline_aligned;
+static DEFINE_PER_CPU(struct runqueue, runqueues);
 
-#define cpu_rq(cpu)		(runqueues + (cpu))
+#define cpu_rq(cpu)		(&per_cpu(runqueues, cpu))
 #define this_rq()		cpu_rq(smp_processor_id())
 #define task_rq(p)		cpu_rq(task_cpu(p))
 #define cpu_curr(cpu)		(cpu_rq(cpu)->curr)
-- 
function.linuxpower.ca

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