diff options
| author | Pavel Butsykin <pbutsykin@virtuozzo.com> | 2017-02-03 18:23:21 +0300 |
|---|---|---|
| committer | Dr. David Alan Gilbert <dgilbert@redhat.com> | 2017-02-13 17:27:13 +0000 |
| commit | ced1c6166ef901a91578d54ff39f46b3e7ae870f (patch) | |
| tree | 42d4a017224beac9dfb2114b0cba52a2bf9d2960 /migration/migration.c | |
| parent | 53f09a1076f5efbba7d751a8005e2fcf008606db (diff) | |
migration: discard non-dirty ram pages after the start of postcopy
After the start of postcopy migration there are some non-dirty pages which have
already been migrated. These pages are no longer needed on the source vm so that
we can free them and it doen't hurt to complete the migration.
Signed-off-by: Pavel Butsykin <pbutsykin@virtuozzo.com>
Message-Id: <20170203152321.19739-4-pbutsykin@virtuozzo.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Diffstat (limited to 'migration/migration.c')
| -rw-r--r-- | migration/migration.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/migration/migration.c b/migration/migration.c index 68afc07016..2a26a20aaf 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1722,6 +1722,10 @@ static int postcopy_start(MigrationState *ms, bool *old_vm_running) */ qemu_savevm_send_ping(ms->to_dst_file, 4); + if (migrate_release_ram()) { + ram_postcopy_migrated_memory_release(ms); + } + ret = qemu_file_get_error(ms->to_dst_file); if (ret) { error_report("postcopy_start: Migration stream errored"); |