The patch titled
Subject: mm/vmscan: remove misleading setting to sc->priority
has been added to the -mm tree. Its filename is
mm-vmscan-remove-misleading-setting-to-sc-priority.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-vmscan-remove-misleading-setting-to-sc-priority.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-vmscan-remove-misleading-setting-to-sc-priority.patch
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------------------------------------------------------
From: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Subject: mm/vmscan: remove misleading setting to sc->priority
The priority field of sc is used to control how many pages we should scan
at once while we always traverse the list to shrink the pages in these
functions. So these settings are unneeded and misleading.
Link: https://lkml.kernel.org/r/20210710100329.49174-3-linmiaohe@xxxxxxxxxx
Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Cc: Alex Shi <alexs@xxxxxxxxxx>
Cc: Alistair Popple <apopple@xxxxxxxxxx>
Cc: David Hildenbrand <david@xxxxxxxxxx>
Cc: Hillf Danton <hillf.zj@xxxxxxxxxxxxxxx>
Cc: Jens Axboe <axboe@xxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Cc: Shaohua Li <shli@xxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmscan.c | 2 --
1 file changed, 2 deletions(-)
--- a/mm/vmscan.c~mm-vmscan-remove-misleading-setting-to-sc-priority
+++ a/mm/vmscan.c
@@ -1702,7 +1702,6 @@ unsigned int reclaim_clean_pages_from_li
{
struct scan_control sc = {
.gfp_mask = GFP_KERNEL,
- .priority = DEF_PRIORITY,
.may_unmap = 1,
};
struct reclaim_stat stat;
@@ -2327,7 +2326,6 @@ unsigned long reclaim_pages(struct list_
unsigned int noreclaim_flag;
struct scan_control sc = {
.gfp_mask = GFP_KERNEL,
- .priority = DEF_PRIORITY,
.may_writepage = 1,
.may_unmap = 1,
.may_swap = 1,
_
Patches currently in -mm which might be from linmiaohe@xxxxxxxxxx are
mm-vmscan-put-the-redirtied-madv_free-pages-back-to-anonymous-lru-list.patch
mm-vmscan-remove-misleading-setting-to-sc-priority.patch
mm-vmscan-remove-unneeded-return-value-of-kswapd_run.patch
mm-vmscan-add-else-to-remove-check_pending-label.patch
mm-vmscan-fix-misleading-comment-in-isolate_lru_pages.patch
mm-zsmallocc-close-race-window-between-zs_pool_dec_isolated-and-zs_unregister_migration.patch
mm-zsmallocc-combine-two-atomic-ops-in-zs_pool_dec_isolated.patch
