diff mbox

[v2,35/43] Add assertion to check migration_dirty_pages

Message ID 1407767399-3030-36-git-send-email-dgilbert@redhat.com
State New
Headers show

Commit Message

Dr. David Alan Gilbert Aug. 11, 2014, 2:29 p.m. UTC 
From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>

I've seen it go negative once during dev, it shouldn't
happen.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
---
 arch_init.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox

Patch

diff --git a/arch_init.c b/arch_init.c
index c006d21..58eccc1 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -439,6 +439,7 @@  ram_addr_t migration_bitmap_find_and_reset_dirty(MemoryRegion *mr,
 
     if (next < size) {
         clear_bit(next, migration_bitmap);
+        assert(migration_dirty_pages > 0);
         migration_dirty_pages--;
     }
     *bitoffset = next;