VisionFive2 Linux kernel

author: Rik van Riel <riel@surriel.com> 2021-09-08 18:10:08 -0700 committer: Linus Torvalds <torvalds@linux-foundation.org> 2021-09-08 18:45:53 -0700 commit: 32d4f4b782bb8f0ceb78c6b5dc46eb577ae25bf7 parent: 13db8c50477d83ad3e3b9b0ae247e5cd833a7ae4

Commit Summary:

mm,vmscan: fix divide by zero in get_scan_count

Diffstat:

1 file changed, 1 insertion, 1 deletion

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 740d03e6dae2..74296c2d1fed 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2715,7 +2715,7 @@ out:
 			cgroup_size = max(cgroup_size, protection);
 
 			scan = lruvec_size - lruvec_size * protection /
-				cgroup_size;
+				(cgroup_size + 1);
 
 			/*
 			 * Minimally target SWAP_CLUSTER_MAX pages to keep