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-rw-r--r--include/linux/swap.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h
index b17cc4830fa6..4a529c984a3f 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -257,6 +257,7 @@ 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_BUG_ON(!workingset_node_pages(node));
node->count--;
}
@@ -272,6 +273,7 @@ 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_BUG_ON(!workingset_node_shadows(node));
node->count -= 1U << RADIX_TREE_COUNT_SHIFT;
}

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