memblock: Export MEMBLOCK_ERROR

will used by x86 memblock_x86_find_in_range_node and nobootmem replacement

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

2 files changed, 2 insertions, 3 deletions

diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index eed0f9b8e526..1a9c29cc92fa 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -18,7 +18,8 @@
 
 #include <asm/memblock.h>
 
-#define INIT_MEMBLOCK_REGIONS 128
+#define INIT_MEMBLOCK_REGIONS   128
+#define MEMBLOCK_ERROR          (~(phys_addr_t)0)
 
 struct memblock_region {
         phys_addr_t base;
diff --git a/mm/memblock.c b/mm/memblock.c
index c3703abf057e..85cfa1d3ab28 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];
 static 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)
 {