[PATCH] Set CONFIG_ZONE_DMA for arches with GENERIC_ISA_DMA

[sfrench/cifs-2.6.git] / mm / Kconfig

diff --git a/mm/Kconfig b/mm/Kconfig
index 332f5c29b53a3c04665e4d727fc50dbfde609fb2..7942b333e46cd46c11ac0f4a849c7b98efeee58e 100644 (file)
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -92,7 +92,7 @@ config HAVE_MEMORY_PRESENT
 
 #
 # SPARSEMEM_EXTREME (which is the default) does some bootmem
-# allocations when memory_present() is called.  If this can not
+# allocations when memory_present() is called.  If this cannot
 # be done on your architecture, select this option.  However,
 # statically allocating the mem_section[] array can potentially
 # consume vast quantities of .bss, so be careful.
@@ -104,7 +104,7 @@ config SPARSEMEM_STATIC
        def_bool n
 
 #
-# Architectecture platforms which require a two level mem_section in SPARSEMEM
+# Architecture platforms which require a two level mem_section in SPARSEMEM
 # must select this option. This is usually for architecture platforms with
 # an extremely sparse physical address space.
 #
@@ -115,11 +115,17 @@ config SPARSEMEM_EXTREME
 # eventually, we can have this option just 'select SPARSEMEM'
 config MEMORY_HOTPLUG
        bool "Allow for memory hot-add"
-       depends on SPARSEMEM && HOTPLUG && !SOFTWARE_SUSPEND
+       depends on SPARSEMEM || X86_64_ACPI_NUMA
+       depends on HOTPLUG && !SOFTWARE_SUSPEND && ARCH_ENABLE_MEMORY_HOTPLUG
+       depends on (IA64 || X86 || PPC64)
 
 comment "Memory hotplug is currently incompatible with Software Suspend"
        depends on SPARSEMEM && HOTPLUG && SOFTWARE_SUSPEND
 
+config MEMORY_HOTPLUG_SPARSE
+       def_bool y
+       depends on SPARSEMEM && MEMORY_HOTPLUG
+
 # 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.
@@ -138,10 +144,22 @@ config SPLIT_PTLOCK_CPUS
 #
 config MIGRATION
        bool "Page migration"
-       def_bool y if NUMA
-       depends on SWAP && NUMA
+       def_bool y
+       depends on NUMA
        help
          Allows the migration of the physical location of pages of processes
          while the virtual addresses are not changed. This is useful for
          example on NUMA systems to put pages nearer to the processors accessing
          the page.
+
+config RESOURCES_64BIT
+       bool "64 bit Memory and IO resources (EXPERIMENTAL)" if (!64BIT && EXPERIMENTAL)
+       default 64BIT
+       help
+         This option allows memory and IO resources to be 64 bit.
+
+config ZONE_DMA_FLAG
+       int
+       default "0" if !ZONE_DMA
+       default "1"
+