[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 8f5b45615f7bf1b43c35253b8f28f1ef4871818e..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.
 #
@@ -115,12 +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 && ARCH_ENABLE_MEMORY_HOTPLUG
+       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.
@@ -152,3 +157,9 @@ config RESOURCES_64BIT
        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"
+