1 files changed, 1 insertions, 0 deletions
diff --git a/src/pmem.c b/src/pmem.c
index e2177ea..871e15a 100644
--- a/src/pmem.c
+++ b/src/pmem.c
@@ -235,6 +235,7 @@ static bool __free_page(enum mm_order order, pm_t addr)
 	struct mm_bmap *bmap = __get_set(bucket, set);
 	bmap->used--;
 
+	assert(bitmap_is_set(bmap->bits, bit));
 	bitmap_clear(bmap->bits, bit);
 	__attach_set(bucket, bmap);