zone_names[] is used to identify any zone given it's index which
can be used in many other places. So exporting the definition
through include/linux/mmzone.h header for it's broader access.
Signed-off-by: Anshuman Khandual <khandual@xxxxxxxxxxxxxxxxxx>
---
include/linux/mmzone.h | 1 +
mm/page_alloc.c | 2 +-
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 821dffb..560bbcd 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -341,6 +341,7 @@ enum zone_type {
};
+extern char * const zone_names[];
#ifndef __GENERATING_BOUNDS_H
struct zone {
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index a2536b4..35c6d2a 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -212,7 +212,7 @@ int sysctl_lowmem_reserve_ratio[MAX_NR_ZONES-1] = {
EXPORT_SYMBOL(totalram_pages);
-static char * const zone_names[MAX_NR_ZONES] = {
+char * const zone_names[MAX_NR_ZONES] = {
#ifdef CONFIG_ZONE_DMA
"DMA",
#endif
--
2.1.0
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