diff --git a/mm/swap_state.c b/mm/swap_state.c
index 260ac6a822b9..16709312e949 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -738,6 +738,12 @@ static struct page *swap_vma_readahead(swp_entry_t fentry, gfp_t gfp_mask,
 	bool page_allocated;
 	struct vma_swap_readahead ra_info = {0,};
 
+	/* Moto huangzq2: don't readahead sync io pages */
+	if (swap_slot_has_sync_io(fentry)) {
+		ra_info.win = 1;
+		goto skip;
+	}
+
 	swap_ra_info(vmf, &ra_info);
 	if (ra_info.win == 1)
 		goto skip;
@@ -753,6 +759,9 @@ static struct page *swap_vma_readahead(swp_entry_t fentry, gfp_t gfp_mask,
 		entry = pte_to_swp_entry(pentry);
 		if (unlikely(non_swap_entry(entry)))
 			continue;
+		/* Moto huangzq2: don't readahead sync io pages */
+		if (swap_slot_has_sync_io(entry))
+			continue;
 		page = __read_swap_cache_async(entry, gfp_mask, vma,
 					       vmf->address, &page_allocated);
 		if (!page)