[PATCH] 64bit Resource: finally enable 64bit resource sizes

Introduce the Kconfig entry and actually switch to a 64bit value, if
wanted, for resource_size_t.

Based on a patch series originally from Vivek Goyal <vgoyal@in.ibm.com>

Cc: Vivek Goyal <vgoyal@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 6 insertions, 0 deletions

diff --git a/mm/Kconfig b/mm/Kconfig
index 66e65ab39426..e3644b0062b1 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -145,3 +145,9 @@ config MIGRATION
           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.