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authorYinghai Lu <yinghai@kernel.org>2010-07-28 15:07:21 +1000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2010-08-05 12:56:27 +1000
commit5e63cf43af844ed30acc278b38b8c9bc51eba493 (patch)
tree02706d0ed24d45b94fdc7ac3a823eedd81a82d12
parent6d03b885f0926ab5b66e21307d505afcafa6dced (diff)
downloadlwn-5e63cf43af844ed30acc278b38b8c9bc51eba493.tar.gz
lwn-5e63cf43af844ed30acc278b38b8c9bc51eba493.zip
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>
-rw-r--r--include/linux/memblock.h5
-rw-r--r--mm/memblock.c3
2 files changed, 7 insertions, 1 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);
diff --git a/mm/memblock.c b/mm/memblock.c
index cc15be29fd0a..5499ab162b9d 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];