[PATCH][2.5] per-CPU task runqueues

From: Zwane Mwaikambo (zwane@holomorphy.com)
Date: Fri Jan 17 2003 - 04:27:15 EST

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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This archive was generated by hypermail 2b29 : Thu Jan 23 2003 - 22:00:15 EST