avoid searching for dirty pages just increment the
page offset. all pages are dirty anyway.
Signed-off-by: Peter Lieven <p...@kamp.de>
Reviewed-by: Eric Blake <ebl...@redhat.com>
---
arch_init.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/arch_init.c b/arch_init.c
index c34a4af..b2b932a 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -338,7 +338,13 @@ ram_addr_t
migration_bitmap_find_and_reset_dirty(MemoryRegion *mr,
unsigned long nr = base + (start >> TARGET_PAGE_BITS);
unsigned long size = base + (int128_get64(mr->size) >> TARGET_PAGE_BITS);
- unsigned long next = find_next_bit(migration_bitmap, size, nr);
+ unsigned long next;
+
+ if (ram_bulk_stage && nr > base) {
+ next = nr + 1;
+ } else {
+ next = find_next_bit(migration_bitmap, size, nr);
+ }
if (next < size) {
clear_bit(next, migration_bitmap);
--
1.7.9.5
