diff options
| -rw-r--r-- | migration/ram.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/migration/ram.c b/migration/ram.c index 5cd066467c..bdb0316892 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -4126,7 +4126,13 @@ static int ram_load_postcopy(QEMUFile *f) switch (flags & ~RAM_SAVE_FLAG_CONTINUE) { case RAM_SAVE_FLAG_ZERO: ch = qemu_get_byte(f); - memset(page_buffer, ch, TARGET_PAGE_SIZE); + /* + * Can skip to set page_buffer when + * this is a zero page and (block->page_size == TARGET_PAGE_SIZE). + */ + if (ch || !matches_target_page_size) { + memset(page_buffer, ch, TARGET_PAGE_SIZE); + } if (ch) { all_zero = false; } |