[PATCH] mm: page_alloc: set sysctl_lowmem_reserve_ratio storage-class-specifier to static

[Tom Rix]

smatch reports
mm/page_alloc.c:247:5: warning: symbol
  'sysctl_lowmem_reserve_ratio' was not declared. Should it be static?

This variable is only used in its defining file, so it should be static

Signed-off-by: Tom Rix <trix@xxxxxxxxxx>
---
 mm/page_alloc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 1023f41de2fb..8032fffa425a 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -244,7 +244,7 @@ static void __free_pages_ok(struct page *page, unsigned int order,
  * TBD: should special case ZONE_DMA32 machines here - in those we normally
  * don't need any ZONE_NORMAL reservation
  */
-int sysctl_lowmem_reserve_ratio[MAX_NR_ZONES] = {
+static int sysctl_lowmem_reserve_ratio[MAX_NR_ZONES] = {
 #ifdef CONFIG_ZONE_DMA
 	[ZONE_DMA] = 256,
 #endif
-- 
2.27.0