The patch titled
Subject: mm/swapfile.c: move new_cluster to check free_clusters directly
has been added to the -mm tree. Its filename is
mm-swapfilec-move-new_cluster-to-check-free_clusters-directly.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-swapfilec-move-new_cluster-to-check-free_clusters-directly.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-swapfilec-move-new_cluster-to-check-free_clusters-directly.patch
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------------------------------------------------------
From: Wei Yang <richard.weiyang@xxxxxxxxx>
Subject: mm/swapfile.c: move new_cluster to check free_clusters directly
Each time it needs jump to new_cluster, it is sure current
percpu_cluster is null.
Move the new_cluster to check free_clusters directly.
Link: http://lkml.kernel.org/r/20200419013921.14390-4-richard.weiyang@xxxxxxxxx
Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxx>
Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Tim Chen <tim.c.chen@xxxxxxxxxxxxxxx>
Cc: Huang Ying <ying.huang@xxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/swapfile.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/mm/swapfile.c~mm-swapfilec-move-new_cluster-to-check-free_clusters-directly
+++ a/mm/swapfile.c
@@ -603,9 +603,9 @@ static bool scan_swap_map_try_ssd_cluste
struct swap_cluster_info *ci;
unsigned long tmp, max;
-new_cluster:
cluster = this_cpu_ptr(si->percpu_cluster);
if (cluster_is_null(&cluster->index)) {
+new_cluster:
if (!cluster_list_empty(&si->free_clusters)) {
cluster->index = si->free_clusters.head;
cluster->next = cluster_next(&cluster->index) *
_
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-swapfilec-found_free-could-be-represented-by-tmp-max.patch
mm-swapfilec-tmp-is-always-smaller-than-max.patch
mm-swapfilec-compare-tmp-and-max-after-trying-to-iterate-on-swap_map.patch
mm-swapfilec-move-new_cluster-to-check-free_clusters-directly.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
