Commit bf212979 authored by Wei Yang's avatar Wei Yang Committed by Dr. David Alan Gilbert
Browse files

migration/ram.c: start of migration_bitmap_sync_range is always 0 



We can eliminate to pass 0.

Signed-off-by: default avatarWei Yang <richardw.yang@linux.intel.com>
Message-Id: <20190430034412.12935-2-richardw.yang@linux.intel.com>
Reviewed-by: default avatarDr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: default avatarDr. David Alan Gilbert <dgilbert@redhat.com>
parent 5aede7f4

migration/ram.c

+4 −4
Original line number Diff line number Diff line
@@ -1681,10 +1681,10 @@ static inline bool migration_bitmap_clear_dirty(RAMState *rs, 
}



static void migration_bitmap_sync_range(RAMState *rs, RAMBlock *rb,

                                        ram_addr_t start, ram_addr_t length)

                                        ram_addr_t length)

{

    rs->migration_dirty_pages +=

        cpu_physical_memory_sync_dirty_bitmap(rb, start, length,

        cpu_physical_memory_sync_dirty_bitmap(rb, 0, length,

                                              &rs->num_dirty_pages_period);

}
@@ -1773,7 +1773,7 @@ static void migration_bitmap_sync(RAMState *rs) 
    qemu_mutex_lock(&rs->bitmap_mutex);

    rcu_read_lock();

    RAMBLOCK_FOREACH_NOT_IGNORED(block) {

        migration_bitmap_sync_range(rs, block, 0, block->used_length);

        migration_bitmap_sync_range(rs, block, block->used_length);

    }

    ram_counters.remaining = ram_bytes_remaining();

    rcu_read_unlock();
@@ -4196,7 +4196,7 @@ static void colo_flush_ram_cache(void) 
    memory_global_dirty_log_sync();

    rcu_read_lock();

    RAMBLOCK_FOREACH_NOT_IGNORED(block) {

        migration_bitmap_sync_range(ram_state, block, 0, block->used_length);

        migration_bitmap_sync_range(ram_state, block, block->used_length);

    }

    rcu_read_unlock();