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authorYasunori Goto <y-goto@jp.fujitsu.com>2006-04-11 01:53:53 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-04-11 09:18:39 -0400
commitc80d79d746cc48bd94b0ce4f6d4f3c90cd403aaf (patch)
tree5aa8d1590d95f8fd820ad797fe03a063b592e9bf /arch/parisc/Kconfig
parent653edba1a8b2ed018bdfb078131324dfbfe1dd6a (diff)
[PATCH] Configurable NODES_SHIFT
Current implementations define NODES_SHIFT in include/asm-xxx/numnodes.h for each arch. Its definition is sometimes configurable. Indeed, ia64 defines 5 NODES_SHIFT values in the current git tree. But it looks a bit messy. SGI-SN2(ia64) system requires 1024 nodes, and the number of nodes already has been changeable by config. Suitable node's number may be changed in the future even if it is other architecture. So, I wrote configurable node's number. This patch set defines just default value for each arch which needs multi nodes except ia64. But, it is easy to change to configurable if necessary. On ia64 the number of nodes can be already configured in generic ia64 and SN2 config. But, NODES_SHIFT is defined for DIG64 and HP'S machine too. So, I changed it so that all platforms can be configured via CONFIG_NODES_SHIFT. It would be simpler. See also: http://marc.theaimsgroup.com/?l=linux-kernel&m=114358010523896&w=2 Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com> Cc: Hirokazu Takata <takata@linux-m32r.org> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Andi Kleen <ak@muc.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Richard Henderson <rth@twiddle.net> Cc: Kyle McMartin <kyle@mcmartin.ca> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Jack Steiner <steiner@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/parisc/Kconfig')
-rw-r--r--arch/parisc/Kconfig5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 2fdf21989dc2..19f911c5dd58 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -177,6 +177,11 @@ config ARCH_DISCONTIGMEM_DEFAULT
177 def_bool y 177 def_bool y
178 depends on ARCH_DISCONTIGMEM_ENABLE 178 depends on ARCH_DISCONTIGMEM_ENABLE
179 179
180config NODES_SHIFT
181 int
182 default "3"
183 depends on NEED_MULTIPLE_NODES
184
180source "kernel/Kconfig.preempt" 185source "kernel/Kconfig.preempt"
181source "kernel/Kconfig.hz" 186source "kernel/Kconfig.hz"
182source "mm/Kconfig" 187source "mm/Kconfig"