Maintain the number of dirty pages

Calculate the number of dirty pages takes a lot on hosts with lots
of memory.  Just maintain how many pages are dirty.

Signed-off-by: Juan Quintela <quintela@redhat.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/cpu-all.h b/cpu-all.h
index 9dc249a165..82ba1d7cd5 100644
--- a/cpu-all.h
+++ b/cpu-all.h
@@ -486,6 +486,7 @@ typedef struct RAMBlock {
 typedef struct RAMList {
     uint8_t *phys_dirty;
     QLIST_HEAD(, RAMBlock) blocks;
+    uint64_t dirty_pages;
 } RAMList;
 extern RAMList ram_list;