The patch titled
Subject: mm/swapfile.c: simplify the calculation of n_goal
has been added to the -mm tree. Its filename is
mm-swapfilec-simplify-the-calculation-of-n_goal.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-swapfilec-simplify-the-calculation-of-n_goal.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-swapfilec-simplify-the-calculation-of-n_goal.patch
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------------------------------------------------------
From: Wei Yang <richard.weiyang@xxxxxxxxx>
Subject: mm/swapfile.c: simplify the calculation of n_goal
Use min3() to simplify the comparison and make it more self-explaining.
Link: http://lkml.kernel.org/r/20200325220309.9803-1-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 | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
--- a/mm/swapfile.c~mm-swapfilec-simplify-the-calculation-of-n_goal
+++ a/mm/swapfile.c
@@ -994,11 +994,7 @@ int get_swap_pages(int n_goal, swp_entry
if (avail_pgs <= 0)
goto noswap;
- if (n_goal > SWAP_BATCH)
- n_goal = SWAP_BATCH;
-
- if (n_goal > avail_pgs)
- n_goal = avail_pgs;
+ n_goal = min3((long)n_goal, (long)SWAP_BATCH, avail_pgs);
atomic_long_sub(n_goal * size, &nr_swap_pages);
_
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
