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@xxxxxxxxx>
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@xxxxxxxxx
Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
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;
-
/*
* We try to cluster swap pages by allocating them sequentially
* in swap. Once we've allocated SWAPFILE_CLUSTER pages this
_
Patches currently in -mm which might be from richard.weiyang@xxxxxxxxx are
mm-swapfilec-offset-is-only-used-when-there-is-more-slots.patch
mm-swapfilec-explicitly-show-ssd-non-ssd-is-handled-mutually-exclusive.patch
mm-swapfilec-remove-the-unnecessary-goto-for-ssd-case.patch
mm-swapfilec-simplify-the-calculation-of-n_goal.patch
mm-swapfilec-remove-the-extra-check-in-scan_swap_map_slots.patch
mm-page_allocc-bad_-is-not-necessary-when-pagehwpoison.patch
mm-page_allocc-bad_flags-is-not-necessary-for-bad_page.patch
mm-page_allocc-rename-free_pages_check_bad-to-check_free_page_bad.patch
mm-page_allocc-rename-free_pages_check-to-check_free_page.patch
mm-page_allocc-extract-check__page_bad-common-part-to-page_bad_reason.patch
mm-page_allocc-use-node_mask_none-in-build_zonelists.patch
mm-rename-gfpflags_to_migratetype-to-gfp_migratetype-for-same-convention.patch
mm-vmscanc-use-update_lru_size-in-update_lru_sizes.patch
