memblock: Add __memblock_dump_all()

Add __memblock_dump_all() which dumps memblock configuration whether
memblock_debug is enabled or not.

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

include/linux/memblock.h

diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index 2f8e28f..1a3bee7 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -129,7 +129,13 @@
 int memblock_is_reserved(phys_addr_t addr);
 int memblock_is_region_reserved(phys_addr_t base, phys_addr_t size);
 
-void memblock_dump_all(void);
+extern void __memblock_dump_all(void);
+
+static inline void memblock_dump_all(void)
+{
+	if (memblock_debug)
+		__memblock_dump_all();
+}
 
 /**
  * memblock_set_current_limit - Set the current allocation limit to allow

mm/memblock.c

diff --git a/mm/memblock.c b/mm/memblock.c
index d050618..4b80f6f 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -898,11 +898,8 @@
 	}
 }
 
-void __init_memblock memblock_dump_all(void)
+void __init_memblock __memblock_dump_all(void)
 {
-	if (!memblock_debug)
-		return;
-
 	pr_info("MEMBLOCK configuration:\n");
 	pr_info(" memory size = 0x%llx\n", (unsigned long long)memblock.memory_size);