[PATCH 31/50] memblock: Export MEMBLOCK_ERROR again

[Yinghai Lu <yinghai@kernel.org>]

will used by x86 memblock_x86_find_in_range_node and nobootmem replacement

-v2: use 0 instead -1ULL, Suggesed by Linus, so we don't need cast them later to unsigned long

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
 include/linux/memblock.h |    1 +
 mm/memblock.c            |    2 --
 2 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index 70bc467..89749c4 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -19,6 +19,7 @@
 #include <asm/memblock.h>
 
 #define INIT_MEMBLOCK_REGIONS 128
+#define MEMBLOCK_ERROR		0
 
 struct memblock_region {
 	phys_addr_t base;
diff --git a/mm/memblock.c b/mm/memblock.c
index 796ef8c..3d0a754 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -27,8 +27,6 @@ int memblock_can_resize;
 static struct memblock_region memblock_memory_init_regions[INIT_MEMBLOCK_REGIONS + 1];
 struct memblock_region memblock_reserved_init_regions[INIT_MEMBLOCK_REGIONS + 1];
 
-#define MEMBLOCK_ERROR	(~(phys_addr_t)0)
-
 /* inline so we don't get a warning when pr_debug is compiled out */
 static inline const char *memblock_type_name(struct memblock_type *type)
 {
-- 
1.6.4.2