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-rw-r--r--migration/ram.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/migration/ram.c b/migration/ram.c
index 52dd678092..24dea2730c 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -851,7 +851,7 @@ static void multifd_send_pages(void)
p->pages->block = NULL;
multifd_send_state->pages = p->pages;
p->pages = pages;
- transferred = pages->used * TARGET_PAGE_SIZE + p->packet_len;
+ transferred = ((uint64_t) pages->used) * TARGET_PAGE_SIZE + p->packet_len;
ram_counters.multifd_bytes += transferred;
ram_counters.transferred += transferred;;
qemu_mutex_unlock(&p->mutex);
@@ -2827,8 +2827,15 @@ int ram_discard_range(const char *rbname, uint64_t start, size_t length)
goto err;
}
- bitmap_clear(rb->receivedmap, start >> qemu_target_page_bits(),
- length >> qemu_target_page_bits());
+ /*
+ * On source VM, we don't need to update the received bitmap since
+ * we don't even have one.
+ */
+ if (rb->receivedmap) {
+ bitmap_clear(rb->receivedmap, start >> qemu_target_page_bits(),
+ length >> qemu_target_page_bits());
+ }
+
ret = ram_block_discard_range(rb, start, length);
err: