1 files changed, 2 insertions, 0 deletions

diff --git a/kernel/include/linux/swap.h b/kernel/include/linux/swap.h
index da646f2eb..19e038054 100644
--- a/kernel/include/linux/swap.h
+++ b/kernel/include/linux/swap.h
@@ -268,6 +268,7 @@ static inline void workingset_node_pages_inc(struct radix_tree_node *node)
 
 static inline void workingset_node_pages_dec(struct radix_tree_node *node)
 {
+	VM_WARN_ON_ONCE(!workingset_node_pages(node));
 	node->count--;
 }
 
@@ -283,6 +284,7 @@ static inline void workingset_node_shadows_inc(struct radix_tree_node *node)
 
 static inline void workingset_node_shadows_dec(struct radix_tree_node *node)
 {
+	VM_WARN_ON_ONCE(!workingset_node_shadows(node));
 	node->count -= 1U << RADIX_TREE_COUNT_SHIFT;
 }