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Subject[PATCH] [ppc64] Allow SD_NODES_PER_DOMAIN to be overridden

Allow SD_NODES_PER_DOMAIN to be overridden.
On ppc64 set this at 16 so our top level scheduling domains will
include all nodes.

Signed-off-by: Anton Blanchard <anton@samba.org>

diff -puN include/asm-ppc64/processor.h~fix_smt include/asm-ppc64/processor.h
--- foobar2/include/asm-ppc64/processor.h~fix_smt 2004-09-02 22:22:49.861931162 +1000
+++ foobar2-anton/include/asm-ppc64/processor.h 2004-09-02 22:27:15.829370041 +1000
@@ -620,6 +620,8 @@ static inline void prefetchw(const void

#define HAVE_ARCH_PICK_MMAP_LAYOUT

+#define SD_NODES_PER_DOMAIN 16
+
#endif /* __KERNEL__ */

#endif /* ASSEMBLY */
diff -puN kernel/sched.c~fix_smt kernel/sched.c
--- foobar2/kernel/sched.c~fix_smt 2004-09-02 22:28:29.144791718 +1000
+++ foobar2-anton/kernel/sched.c 2004-09-02 22:28:32.859032577 +1000
@@ -4305,7 +4305,9 @@ __init static int cpu_to_phys_group(int
#ifdef CONFIG_NUMA

/* Number of nearby nodes in a node's scheduling domain */
+#ifndef SD_NODES_PER_DOMAIN
#define SD_NODES_PER_DOMAIN 4
+#endif

static DEFINE_PER_CPU(struct sched_domain, node_domains);
static struct sched_group sched_group_nodes[MAX_NUMNODES];
_
-
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