The patch titled
Subject: mm/vmscan: add 'else' to remove check_pending label
has been added to the -mm tree. Its filename is
mm-vmscan-add-else-to-remove-check_pending-label.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-vmscan-add-else-to-remove-check_pending-label.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-vmscan-add-else-to-remove-check_pending-label.patch
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------------------------------------------------------
From: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Subject: mm/vmscan: add 'else' to remove check_pending label
We could add 'else' to remove the somewhat odd check_pending label to
make code core succinct.
Link: https://lkml.kernel.org/r/20210710100329.49174-5-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 | 14 +++++---------
1 file changed, 5 insertions(+), 9 deletions(-)
--- a/mm/vmscan.c~mm-vmscan-add-else-to-remove-check_pending-label
+++ a/mm/vmscan.c
@@ -3428,18 +3428,14 @@ static bool throttle_direct_reclaim(gfp_
* blocked waiting on the same lock. Instead, throttle for up to a
* second before continuing.
*/
- if (!(gfp_mask & __GFP_FS)) {
+ if (!(gfp_mask & __GFP_FS))
wait_event_interruptible_timeout(pgdat->pfmemalloc_wait,
allow_direct_reclaim(pgdat), HZ);
+ else
+ /* Throttle until kswapd wakes the process */
+ wait_event_killable(zone->zone_pgdat->pfmemalloc_wait,
+ allow_direct_reclaim(pgdat));
- goto check_pending;
- }
-
- /* Throttle until kswapd wakes the process */
- wait_event_killable(zone->zone_pgdat->pfmemalloc_wait,
- allow_direct_reclaim(pgdat));
-
-check_pending:
if (fatal_signal_pending(current))
return true;
_
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
