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From: Wei Yang <>
	Wei Yang <>
Subject: [PATCH 2/2] mm/swapfile.c: remove the extra check in scan_swap_map_slots()
Date: Wed, 25 Mar 2020 22:03:09 +0000
Message-ID: <> (raw)
In-Reply-To: <>

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 <>
 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

      reply index

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-25 22:03 [PATCH 1/2] mm/swapfile.c: simplify the calculation of n_goal Wei Yang
2020-03-25 22:03 ` Wei Yang [this message]

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