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authorJack Steiner <steiner@sgi.com>2006-03-02 16:02:21 -0600
committerTony Luck <tony.luck@intel.com>2006-03-24 13:14:03 -0800
commitb354a8388891adc5dc5e5fb0130f000152f3fb94 (patch)
tree17ddef0b367ed0279f8f10d5d9af73ecd01e3db9 /include/asm-ia64/numnodes.h
parentf90aa8c4febb306e1266e1ad34fd8464e201aa7f (diff)
[IA64] Increase max node count on SN platforms
Add a configuration option to allow the maximum number of nodes to be configurable for GENERIC or SN kernels. Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'include/asm-ia64/numnodes.h')
-rw-r--r--include/asm-ia64/numnodes.h13
1 files changed, 9 insertions, 4 deletions
diff --git a/include/asm-ia64/numnodes.h b/include/asm-ia64/numnodes.h
index 21cff4da548..e9d356f549d 100644
--- a/include/asm-ia64/numnodes.h
+++ b/include/asm-ia64/numnodes.h
@@ -3,13 +3,18 @@
#ifdef CONFIG_IA64_DIG
/* Max 8 Nodes */
-#define NODES_SHIFT 3
+# define NODES_SHIFT 3
#elif defined(CONFIG_IA64_HP_ZX1) || defined(CONFIG_IA64_HP_ZX1_SWIOTLB)
/* Max 32 Nodes */
-#define NODES_SHIFT 5
+# define NODES_SHIFT 5
#elif defined(CONFIG_IA64_SGI_SN2) || defined(CONFIG_IA64_GENERIC)
-/* Max 256 Nodes */
-#define NODES_SHIFT 8
+# if CONFIG_IA64_NR_NODES == 256
+# define NODES_SHIFT 8
+# elif CONFIG_IA64_NR_NODES <= 512
+# define NODES_SHIFT 9
+# elif CONFIG_IA64_NR_NODES <= 1024
+# define NODES_SHIFT 10
+# endif
#endif
#endif /* _ASM_MAX_NUMNODES_H */