Il 21/08/2013 09:18, Lei Li ha scritto:
> Signed-off-by: Lei Li <li...@linux.vnet.ibm.com>
> ---
> arch_init.c | 5 +++++
> 1 files changed, 5 insertions(+), 0 deletions(-)
>
> diff --git a/arch_init.c b/arch_init.c
> index cbbb4db..e6069eb 100644
> --- a/arch_init.c
> +++ b/arch_init.c
> @@ -375,6 +375,11 @@ static void migration_bitmap_sync(void)
> int64_t end_time;
> int64_t bytes_xfer_now;
>
> + /* No need to sync with bitmap for local migration */
> + if (migrate_is_localhost()) {
> + return;
> + }
> +
> if (!bytes_xfer_prev) {
> bytes_xfer_prev = ram_bytes_transferred();
> }
>
Premature, please do this after everything is in place (including
vmsplice) and only if you find the dirty bitmap to be a significant
source of overhead.
Paolo
