Oops.

diff --git a/src/backend/storage/buffer/bufmgr.c b/src/backend/storage/buffer/bufmgr.c
index 9eb8877e84b950d99f0cd7fa1975341992d98800..437deb905c09591be57b15fd95dab56c7ee6a044 100644 (file)
--- a/src/backend/storage/buffer/bufmgr.c
+++ b/src/backend/storage/buffer/bufmgr.c
@@ -997,7 +997,7 @@ enter:
             */
            foundbuf = &BufferDescriptors[buf_id];
            valid = PinBuffer(foundbuf, strategy);
-           if (memcmp(&newTag, &foundbuf->tag, sizeof(BufferTag)) == 0)
+           if (!BUFFERTAGS_EQUAL(newTag, foundbuf->tag))
            {
                UnpinBuffer(foundbuf, true);
                goto enter;