From: Yinghai Lu <yinghai@xxxxxxxxxx>
This exposes memblock_debug and associated memblock_dbg() macro,
along with memblock_can_resize so that x86 can use these when
ported to use memblock
Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
Signed-off-by: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
---
include/linux/memblock.h | 5 +++++
mm/memblock.c | 3 ++-
2 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index c8da03e..eed0f9b 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -39,6 +39,11 @@ struct memblock {
};
extern struct memblock memblock;
+extern int memblock_debug;
+extern int memblock_can_resize;
+
+#define memblock_dbg(fmt, ...) \
+ if (memblock_debug) printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
extern void __init memblock_init(void);
extern void __init memblock_analyze(void);
diff --git a/mm/memblock.c b/mm/memblock.c
index cc15be2..5499ab1 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -22,7 +22,8 @@
struct memblock memblock;
-static int memblock_debug, memblock_can_resize;
+int memblock_debug;
+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];
--
1.7.0.4
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