ram: Split dirty bitmap by RAMBlock

Both the ram bitmap and the unsent bitmap are split by RAMBlock.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Reviewed-by: Peter Xu <peterx@redhat.com>

--

Fix compilation when DEBUG_POSTCOPY is enabled (thanks Hailiang)

1 files changed, 1 insertions, 4 deletions

diff --git a/migration/postcopy-ram.c b/migration/postcopy-ram.c
index 85fd8d72b3..e3f4a37b46 100644
--- a/migration/postcopy-ram.c
+++ b/migration/postcopy-ram.c
@@ -33,7 +33,6 @@
 
 struct PostcopyDiscardState {
     const char *ramblock_name;
-    uint64_t offset; /* Bitmap entry for the 1st bit of this RAMBlock */
     uint16_t cur_entry;
     /*
      * Start and length of a discard range (bytes)
@@ -717,14 +716,12 @@ void *postcopy_get_tmp_page(MigrationIncomingState *mis)
  * returns: a new PDS.
  */
 PostcopyDiscardState *postcopy_discard_send_init(MigrationState *ms,
-                                                 unsigned long offset,
                                                  const char *name)
 {
     PostcopyDiscardState *res = g_malloc0(sizeof(PostcopyDiscardState));
 
     if (res) {
         res->ramblock_name = name;
-        res->offset = offset;
     }
 
     return res;
@@ -745,7 +742,7 @@ void postcopy_discard_send_range(MigrationState *ms, PostcopyDiscardState *pds,
 {
     size_t tp_size = qemu_target_page_size();
     /* Convert to byte offsets within the RAM block */
-    pds->start_list[pds->cur_entry] = (start - pds->offset) * tp_size;
+    pds->start_list[pds->cur_entry] = start  * tp_size;
     pds->length_list[pds->cur_entry] = length * tp_size;
     trace_postcopy_discard_send_range(pds->ramblock_name, start, length);
     pds->cur_entry++;