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authorAndy Whitcroft <apw@shadowen.org>2006-10-21 10:24:14 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-21 13:35:06 -0700
commit7516795739bd53175629b90fab0ad488d7a6a9f7 (patch)
tree1f6b4b7a4f08a25155605b10d5963b7c6ca72e7b /arch
parent047a66d4bb24aaf19f41d620f8f0534c2153cd0b (diff)
downloadop-kernel-dev-7516795739bd53175629b90fab0ad488d7a6a9f7.zip
op-kernel-dev-7516795739bd53175629b90fab0ad488d7a6a9f7.tar.gz
[PATCH] Reintroduce NODES_SPAN_OTHER_NODES for powerpc
Reintroduce NODES_SPAN_OTHER_NODES for powerpc Revert "[PATCH] Remove SPAN_OTHER_NODES config definition" This reverts commit f62859bb6871c5e4a8e591c60befc8caaf54db8c. Revert "[PATCH] mm: remove arch independent NODES_SPAN_OTHER_NODES" This reverts commit a94b3ab7eab4edcc9b2cb474b188f774c331adf7. Also update the comments to indicate that this is still required and where its used. Signed-off-by: Andy Whitcroft <apw@shadowen.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Mike Kravetz <kravetz@us.ibm.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Mel Gorman <mel@csn.ul.ie> Acked-by: Will Schmidt <will_schmidt@vnet.ibm.com> Cc: Christoph Lameter <clameter@sgi.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/Kconfig9
-rw-r--r--arch/powerpc/configs/pseries_defconfig1
2 files changed, 10 insertions, 0 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 8b69104..2bd9b7f 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -751,6 +751,15 @@ config ARCH_MEMORY_PROBE
def_bool y
depends on MEMORY_HOTPLUG
+# Some NUMA nodes have memory ranges that span
+# other nodes. Even though a pfn is valid and
+# between a node's start and end pfns, it may not
+# reside on that node. See memmap_init_zone()
+# for details.
+config NODES_SPAN_OTHER_NODES
+ def_bool y
+ depends on NEED_MULTIPLE_NODES
+
config PPC_64K_PAGES
bool "64k page size"
depends on PPC64
diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig
index 9828663..d2833c1 100644
--- a/arch/powerpc/configs/pseries_defconfig
+++ b/arch/powerpc/configs/pseries_defconfig
@@ -184,6 +184,7 @@ CONFIG_SPLIT_PTLOCK_CPUS=4
CONFIG_MIGRATION=y
CONFIG_RESOURCES_64BIT=y
CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID=y
+CONFIG_NODES_SPAN_OTHER_NODES=y
# CONFIG_PPC_64K_PAGES is not set
CONFIG_SCHED_SMT=y
CONFIG_PROC_DEVICETREE=y
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