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migration: just pass RAMBlock is enough

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RAMBlock->used_length is always passed to migration_bitmap_sync_range(),
which could be retrieved from RAMBlock.

Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>
Message-Id: <20190718012547.16373-1-richardw.yang@linux.intel.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Wei Yang 2019-07-18 09:25:47 +08:00 committed by Dr. David Alan Gilbert
parent 6a88eb2b08
commit 5d0980a459
1 changed files with 4 additions and 5 deletions
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9
migration/ram.c
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@ -1748,11 +1748,10 @@ static inline bool migration_bitmap_clear_dirty(RAMState *rs,
}
/* Called with RCU critical section */
static void migration_bitmap_sync_range(RAMState *rs, RAMBlock *rb,
ram_addr_t length)
static void migration_bitmap_sync_range(RAMState *rs, RAMBlock *rb)
{
rs->migration_dirty_pages +=
cpu_physical_memory_sync_dirty_bitmap(rb, 0, length,
cpu_physical_memory_sync_dirty_bitmap(rb, 0, rb->used_length,
&rs->num_dirty_pages_period);
}
@ -1841,7 +1840,7 @@ 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, block->used_length);
migration_bitmap_sync_range(rs, block);
}
ram_counters.remaining = ram_bytes_remaining();
rcu_read_unlock();
@ -4293,7 +4292,7 @@ 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, block->used_length);
migration_bitmap_sync_range(ram_state, block);
}
rcu_read_unlock();