[PATCH] generify memory present

Allow architectures to indicate that they will be providing hooks to indice
installed memory areas, memory_present().  Provide prototypes for the i386
implementation.

Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Dave Hansen <haveblue@us.ibm.com>
Signed-off-by: Martin Bligh <mbligh@aracnet.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

2 files changed, 5 insertions, 1 deletions

diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index a8128f997339..3b7248126d29 100644
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -793,7 +793,7 @@ config HAVE_ARCH_BOOTMEM_NODE
         depends on NUMA
         default y
 
-config HAVE_MEMORY_PRESENT
+config ARCH_HAVE_MEMORY_PRESENT
         bool
         depends on DISCONTIGMEM
         default y
diff --git a/mm/Kconfig b/mm/Kconfig
index 8283685f3bb3..5127441561b4 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -53,3 +53,7 @@ config FLATMEM
 config NEED_MULTIPLE_NODES
         def_bool y
         depends on DISCONTIGMEM || NUMA
+
+config HAVE_MEMORY_PRESENT
+        def_bool y
+        depends on ARCH_HAVE_MEMORY_PRESENT