mm/mm_init.c: mark mminit_loglevel __meminitdata

mminit_loglevel is only referenced from __init and __meminit functions, so
we can mark it __meminitdata.

Signed-off-by: Rasmus Villemoes <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Cc: Rik van Riel <[email protected]>
Cc: Joonsoo Kim <[email protected]>
Cc: David Rientjes <[email protected]>
Cc: Vishnu Pratap Singh <[email protected]>
Cc: Pintu Kumar <[email protected]>
Cc: Michal Nazarewicz <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: Paul Gortmaker <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Tim Chen <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: Li Zefan <[email protected]>
Cc: Tejun Heo <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

mm/mm_init.c

@@ -14,7 +14,7 @@
 #include "internal.h"
 
 #ifdef CONFIG_DEBUG_MEMORY_INIT
-int mminit_loglevel;
+int __meminitdata mminit_loglevel;
 
 #ifndef SECTIONS_SHIFT
 #define SECTIONS_SHIFT	0