mm/ksm.c: make stable_node_dup() static
stable_node_dup() is local to the source and does not need to be in
global scope, so make it static.
Cleans up sparse warning:
mm/ksm.c:1321:13: warning: symbol 'stable_node_dup' was not declared. Should it be static?
Link: http://lkml.kernel.org/r/20180206221005.12642-1-colin.king@canonical.com
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/mm/ksm.c b/mm/ksm.c
index adb5f99..7596e14 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -1318,10 +1318,10 @@
return __is_page_sharing_candidate(stable_node, 0);
}
-struct page *stable_node_dup(struct stable_node **_stable_node_dup,
- struct stable_node **_stable_node,
- struct rb_root *root,
- bool prune_stale_stable_nodes)
+static struct page *stable_node_dup(struct stable_node **_stable_node_dup,
+ struct stable_node **_stable_node,
+ struct rb_root *root,
+ bool prune_stale_stable_nodes)
{
struct stable_node *dup, *found = NULL, *stable_node = *_stable_node;
struct hlist_node *hlist_safe;