Colin King [off-list ref] writes:
From: Colin Ian King <redacted>
The pointer swap_avail_heads is local to the source and does not need
to be in global scope, so make it static.
Cleans up sparse warning:
mm/swapfile.c:88:19: warning: symbol 'swap_avail_heads' was not
declared. Should it be static?
Signed-off-by: Colin Ian King <redacted>
Acked-by: "Huang, Ying" <redacted>
Best Regards,
Huang, Ying
quoted hunk
---
mm/swapfile.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 006047b16814..0d00471af98b 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -85,7 +85,7 @@ PLIST_HEAD(swap_active_head);
* is held and the locking order requires swap_lock to be taken
* before any swap_info_struct->lock.
*/
-struct plist_head *swap_avail_heads;
+static struct plist_head *swap_avail_heads;
static DEFINE_SPINLOCK(swap_avail_lock);
struct swap_info_struct *swap_info[MAX_SWAPFILES];