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-rw-r--r--util/hbitmap.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/util/hbitmap.c b/util/hbitmap.c
index 7905212a8b..bcc0acdc6a 100644
--- a/util/hbitmap.c
+++ b/util/hbitmap.c
@@ -53,7 +53,9 @@
*/
struct HBitmap {
- /* Size of the bitmap, as requested in hbitmap_alloc. */
+ /*
+ * Size of the bitmap, as requested in hbitmap_alloc or in hbitmap_truncate.
+ */
uint64_t orig_size;
/* Number of total bits in the bottom level. */
@@ -732,6 +734,8 @@ void hbitmap_truncate(HBitmap *hb, uint64_t size)
uint64_t num_elements = size;
uint64_t old;
+ hb->orig_size = size;
+
/* Size comes in as logical elements, adjust for granularity. */
size = (size + (1ULL << hb->granularity) - 1) >> hb->granularity;
assert(size <= ((uint64_t)1 << HBITMAP_LOG_MAX_SIZE));