The patch titled
Subject: mm-remove-zone_lru_lock-function-access-lru_lock-directly-fix
has been added to the -mm tree. Its filename is
mm-remove-zone_lru_lock-function-access-lru_lock-directly-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-remove-zone_lru_lock-function-access-lru_lock-directly-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-remove-zone_lru_lock-function-access-lru_lock-directly-fix.patch
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------------------------------------------------------
From: Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx>
Subject: mm-remove-zone_lru_lock-function-access-lru_lock-directly-fix
A slightly better version of __split_huge_page();
Link: http://lkml.kernel.org/r/20190301121651.7741-1-aryabinin@xxxxxxxxxxxxx
Signed-off-by: Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx>
Acked-by: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxxx>
Cc: William Kucharski <william.kucharski@xxxxxxxxxx>
Cc: John Hubbard <jhubbard@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/huge_memory.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- a/mm/huge_memory.c~mm-remove-zone_lru_lock-function-access-lru_lock-directly-fix
+++ a/mm/huge_memory.c
@@ -2440,11 +2440,11 @@ static void __split_huge_page(struct pag
pgoff_t end, unsigned long flags)
{
struct page *head = compound_head(page);
- struct zone *zone = page_zone(head);
+ pg_data_t *pgdat = page_pgdat(head);
struct lruvec *lruvec;
int i;
- lruvec = mem_cgroup_page_lruvec(head, zone->zone_pgdat);
+ lruvec = mem_cgroup_page_lruvec(head, pgdat);
/* complete memcg works before add pages to LRU */
mem_cgroup_split_huge_fixup(head);
@@ -2475,7 +2475,7 @@ static void __split_huge_page(struct pag
xa_unlock(&head->mapping->i_pages);
}
- spin_unlock_irqrestore(&page_pgdat(head)->lru_lock, flags);
+ spin_unlock_irqrestore(&pgdat->lru_lock, flags);
remap_page(head);
_
Patches currently in -mm which might be from aryabinin@xxxxxxxxxxxxx are
kasan-remove-use-after-scope-bugs-detection.patch
mm-workingset-remove-unused-mapping-argument-in-workingset_eviction.patch
mm-remove-zone_lru_lock-function-access-lru_lock-directly.patch
mm-remove-zone_lru_lock-function-access-lru_lock-directly-fix.patch
mm-compaction-pass-pgdat-to-too_many_isolated-instead-of-zone.patch
mm-vmscan-remove-unused-lru_pages-argument.patch
