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[Qemu-devel] [PATCH] migration: just pass RAMBlock is enough
From: |
Wei Yang |
Subject: |
[Qemu-devel] [PATCH] migration: just pass RAMBlock is enough |
Date: |
Thu, 18 Jul 2019 09:25:47 +0800 |
RAMBlock->used_length is always passed to migration_bitmap_sync_range(),
which could be retrieved from RAMBlock.
Suggested-by: Paolo Bonzini <address@hidden>
Signed-off-by: Wei Yang <address@hidden>
---
migration/ram.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/migration/ram.c b/migration/ram.c
index 908517fc2b..0a6070d787 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -1669,11 +1669,10 @@ static inline bool
migration_bitmap_clear_dirty(RAMState *rs,
return ret;
}
-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);
}
@@ -1762,7 +1761,7 @@ 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();
@@ -4193,7 +4192,7 @@ 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();
--
2.17.1
- [Qemu-devel] [PATCH] migration: just pass RAMBlock is enough,
Wei Yang <=