[PATCH 2/2] mm/swapfile.c: remove the extra check in scan_swap_map_slots()

From: Wei Yang
Date: Wed Mar 25 2020 - 18:03:34 EST


scan_swap_map_slots() is only called by scan_swap_map() and
get_swap_pages(). Both ensure nr would not exceed SWAP_BATCH.

Just remove it.

Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxx>
---
mm/swapfile.c | 3 ---
1 file changed, 3 deletions(-)

diff --git a/mm/swapfile.c b/mm/swapfile.c
index 85b151d73128..6b6e41967bf3 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -740,9 +740,6 @@ static int scan_swap_map_slots(struct swap_info_struct *si,
int latency_ration = LATENCY_LIMIT;
int n_ret = 0;

- if (nr > SWAP_BATCH)
- nr = SWAP_BATCH;
-
/*
* We try to cluster swap pages by allocating them sequentially
* in swap. Once we've allocated SWAPFILE_CLUSTER pages this
--
2.23.0