On Monday, 2021-03-01 at 16:21:31 +08, Kunkun Jiang wrote: > According to the comment, when the host page is a huge page, the > migration_rate_limit() should be executed. If not, this function > can be omitted to save time. > > Signed-off-by: Keqian Zhu <[email protected]> > Signed-off-by: Kunkun Jiang <[email protected]>
Reviewed-by: David Edmondson <[email protected]> > --- > migration/ram.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/migration/ram.c b/migration/ram.c > index 24967cb970..3a9115b6dc 100644 > --- a/migration/ram.c > +++ b/migration/ram.c > @@ -2014,7 +2014,9 @@ static int ram_save_host_page(RAMState *rs, > PageSearchStatus *pss, > pages += tmppages; > pss->page++; > /* Allow rate limiting to happen in the middle of huge pages */ > - migration_rate_limit(); > + if (pagesize_bits > 1) { > + migration_rate_limit(); > + } > } while ((pss->page & (pagesize_bits - 1)) && > offset_in_ramblock(pss->block, > ((ram_addr_t)pss->page) << > TARGET_PAGE_BITS)); > -- > 2.23.0 dme. -- Please don't stand so close to me.
