oprofile: fix oops on x86 32-bit

[pandora-kernel.git] / mm / Kconfig

diff --git a/mm/Kconfig b/mm/Kconfig
index 086af70..c070ec0 100644 (file)
--- 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 +112,38 @@ config SPARSEMEM_EXTREME
        def_bool y
        depends on SPARSEMEM && !SPARSEMEM_STATIC
 
+#
+# SPARSEMEM_VMEMMAP uses a virtually mapped mem_map to optimise pfn_to_page
+# and page_to_pfn.  The most efficient option where kernel virtual space is
+# not under pressure.
+#
+config SPARSEMEM_VMEMMAP_ENABLE
+       def_bool n
+
+config SPARSEMEM_VMEMMAP
+       bool
+       depends on SPARSEMEM
+       default y if (SPARSEMEM_VMEMMAP_ENABLE)
+
 # 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.
@@ -163,6 +181,10 @@ config ZONE_DMA_FLAG
        default "0" if !ZONE_DMA
        default "1"
 
+config BOUNCE
+       def_bool y
+       depends on BLOCK && MMU && (ZONE_DMA || HIGHMEM)
+
 config NR_QUICK
        int
        depends on QUICKLIST