X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=mm%2FKconfig;h=0016ebd4dcbac755450579197d317738727816a8;hb=b790cedd24a7f7d1639072b3faf35f1f56cb38ea;hp=86187221e78fdceb4c572fb310c519ba80554fdb;hpb=d7f5e3df3574c6e38b99f5fe22f15540b2b9811d;p=linux-2.6

diff --git a/mm/Kconfig b/mm/Kconfig
index 86187221e7..0016ebd4dc 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -37,7 +37,7 @@ config DISCONTIGMEM_MANUAL
 	  in their physical address spaces, and this option provides
 	  more efficient handling of these holes.  However, the vast
 	  majority of hardware has quite flat address spaces, and
-	  can have degraded performance from extra overhead that
+	  can have degraded performance from the extra overhead that
 	  this option imposes.
 
 	  Many NUMA configurations will have this as the only option.
@@ -112,20 +112,37 @@ config SPARSEMEM_EXTREME
 	def_bool y
 	depends on SPARSEMEM && !SPARSEMEM_STATIC
 
+config SPARSEMEM_VMEMMAP_ENABLE
+	def_bool n
+
+config SPARSEMEM_VMEMMAP
+	bool "Sparse Memory virtual memmap"
+	depends on SPARSEMEM && SPARSEMEM_VMEMMAP_ENABLE
+	default y
+	help
+	 SPARSEMEM_VMEMMAP uses a virtually mapped memmap to optimise
+	 pfn_to_page and page_to_pfn operations.  This is the most
+	 efficient option when sufficient kernel resources are available.
+
 # eventually, we can have this option just 'select SPARSEMEM'
 config MEMORY_HOTPLUG
 	bool "Allow for memory hot-add"
 	depends on SPARSEMEM || X86_64_ACPI_NUMA
-	depends on HOTPLUG && !SOFTWARE_SUSPEND && ARCH_ENABLE_MEMORY_HOTPLUG
+	depends on HOTPLUG && !HIBERNATION && ARCH_ENABLE_MEMORY_HOTPLUG
 	depends on (IA64 || X86 || PPC64 || SUPERH)
 
 comment "Memory hotplug is currently incompatible with Software Suspend"
-	depends on SPARSEMEM && HOTPLUG && SOFTWARE_SUSPEND
+	depends on SPARSEMEM && HOTPLUG && HIBERNATION
 
 config MEMORY_HOTPLUG_SPARSE
 	def_bool y
 	depends on SPARSEMEM && MEMORY_HOTPLUG
 
+config MEMORY_HOTREMOVE
+	bool "Allow for memory hot remove"
+	depends on MEMORY_HOTPLUG && ARCH_ENABLE_MEMORY_HOTREMOVE
+	depends on MIGRATION
+
 # Heavily threaded applications may benefit from splitting the mm-wide
 # page_table_lock, so that faults on different parts of the user address
 # space can be handled with less contention: split it at this NR_CPUS.
@@ -170,7 +187,7 @@ config BOUNCE
 config NR_QUICK
 	int
 	depends on QUICKLIST
-	default "2" if (SUPERH && !SUPERH64)
+	default "2" if SUPERH
 	default "1"
 
 config VIRT_TO_BUS