+ mm-swapfilec-remove-the-extra-check-in-scan_swap_map_slots.patch added to -mm tree

+ mm-swapfilec-remove-the-extra-check-in-scan_swap_map_slots.patch added to -mm tree

[akpm]

The patch titled
     Subject: mm/swapfile.c: remove the extra check in scan_swap_map_slots()
has been added to the -mm tree.  Its filename is
     mm-swapfilec-remove-the-extra-check-in-scan_swap_map_slots.patch

This patch should soon appear at
    http://ozlabs.org/~akpm/mmots/broken-out/mm-swapfilec-remove-the-extra-check-in-scan_swap_map_slots.patch
and later at
    http://ozlabs.org/~akpm/mmotm/broken-out/mm-swapfilec-remove-the-extra-check-in-scan_swap_map_slots.patch

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------------------------------------------------------
From: Wei Yang <richard.weiyang@gmail.com>
Subject: mm/swapfile.c: remove the extra check in scan_swap_map_slots()

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.

Link: http://lkml.kernel.org/r/20200325220309.9803-2-richard.weiyang@gmail.com
Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/swapfile.c |    3 ---
 1 file changed, 3 deletions(-)

--- a/mm/swapfile.c~mm-swapfilec-remove-the-extra-check-in-scan_swap_map_slots
+++ a/mm/swapfile.c
@@ -740,9 +740,6 @@ static int scan_swap_map_slots(struct sw
 	int latency_ration = LATENCY_LIMIT;
 	int n_ret = 0;
 
-	if (nr > SWAP_BATCH)
-		nr = SWAP_BATCH;