X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Finclude%2Flinux%2Fswap.h;fp=kernel%2Finclude%2Flinux%2Fswap.h;h=19e038054914190e2da8e9f8834fcbcdbefa99c7;hb=52f993b8e89487ec9ee15a7fb4979e0f09a45b27;hp=da646f2eb3c6dda8fc73a567a77025c71fd896c3;hpb=c189ccac5702322ed843fe17057035b7222a59b6;p=kvmfornfv.git

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;
 }