[Qemu-devel] [PATCH 05/12] arch_init: introduce ram_save_local()

[Lei Li]

Signed-off-by: Lei Li <address@hidden>
---
 arch_init.c |   32 ++++++++++++++++++++++++++++++++
 1 files changed, 32 insertions(+), 0 deletions(-)

diff --git a/arch_init.c b/arch_init.c
index a418071..7eeb52f 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -757,6 +757,38 @@ static int ram_page_save(QEMUFile *f)
     return bytes_sent;
 }
 
+static int ram_save_local(QEMUFile *f, void *opaque)
+{
+    uint64_t bytes_sent = 0;
+    uint64_t total_ram_bytes = ram_bytes_total();
+
+    qemu_mutex_lock_ramlist();
+
+    while (total_ram_bytes) {
+       void *ram;
+       MemoryRegion *mr;
+
+       bytes_sent = ram_page_save(f);
+       /* No more ram pages. */
+       if (bytes_sent == 0) {
+           return bytes_sent;
+       }
+
+       mr = last_block_local->mr;
+       ram = memory_region_get_ram_ptr(mr) + last_offset_local;
+
+       /* DONTNEED the ram page that has already copied. */
+       qemu_madvise(ram, bytes_sent, QEMU_MADV_DONTNEED);
+       total_ram_bytes -= bytes_sent;
+    }
+
+    qemu_mutex_unlock_ramlist();
+
+    qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
+
+    return bytes_sent;
+}
+
 static int load_xbzrle(QEMUFile *f, ram_addr_t addr, void *host)
 {
     int ret, rc = 0;
-- 
1.7.7.6