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BZ: 195391 x86_64: Switch x86_64 to SPARSEMEM




Patch to switch x86_64 to SPARSEMEM memory layout.

Signed-off-by: Prarit Bhargava <prarit redhat com>

--- CONFIG	2006-06-14 18:33:44.967762419 -0400
+++ .config	2006-06-14 18:35:27.342935906 -0400
@@ -134,16 +134,20 @@
 CONFIG_ARCH_SPARSEMEM_ENABLE=y
 CONFIG_SELECT_MEMORY_MODEL=y
 # CONFIG_FLATMEM_MANUAL is not set
-CONFIG_DISCONTIGMEM_MANUAL=y
-# CONFIG_SPARSEMEM_MANUAL is not set
-CONFIG_DISCONTIGMEM=y
-CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+CONFIG_SPARSEMEM_MANUAL=y
+CONFIG_SPARSEMEM=y
 CONFIG_NEED_MULTIPLE_NODES=y
+CONFIG_HAVE_MEMORY_PRESENT=y
 # CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_SPARSEMEM_EXTREME=y
+
+#
+# Memory hotplug is currently incompatible with Software Suspend
+#
 CONFIG_SPLIT_PTLOCK_CPUS=4
 CONFIG_MIGRATION=y
 CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID=y
-CONFIG_OUT_OF_LINE_PFN_TO_PAGE=y
 CONFIG_NR_CPUS=255
 CONFIG_HOTPLUG_CPU=y
 CONFIG_HPET_TIMER=y

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