ram: Remove migration_bitmap_extend()

We have disabled memory hotplug, so we don't need to handle
migration_bitamp there.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: zhanghailiang <zhang.zhanghailiang@huawei.com>

1 files changed, 0 insertions, 1 deletions

diff --git a/exec.c b/exec.c
index de843f4de2..c2def9ecf2 100644
--- a/exec.c
+++ b/exec.c
@@ -1758,7 +1758,6 @@ static void ram_block_add(RAMBlock *new_block, Error **errp)
     new_ram_size = MAX(old_ram_size,
               (new_block->offset + new_block->max_length) >> TARGET_PAGE_BITS);
     if (new_ram_size > old_ram_size) {
-        migration_bitmap_extend(old_ram_size, new_ram_size);
         dirty_memory_extend(old_ram_size, new_ram_size);
     }
     /* Keep the list sorted from biggest to smallest block.  Unlike QTAILQ,