diff options
| -rw-r--r-- | migration/ram.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/migration/ram.c b/migration/ram.c index bee2756cd3..00b579b981 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -2035,8 +2035,13 @@ 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(); + /* + * Allow rate limiting to happen in the middle of huge pages if + * something is sent in the current iteration. + */ + if (pagesize_bits > 1 && tmppages > 0) { + migration_rate_limit(); + } } while ((pss->page & (pagesize_bits - 1)) && offset_in_ramblock(pss->block, ((ram_addr_t)pss->page) << TARGET_PAGE_BITS)); |