memblock: Expose some memblock bits for use by x86

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

1 files changed, 5 insertions, 0 deletions

diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index c8da03eb7ba3..eed0f9b8e526 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);