Re: [PATCH v16 14/22] mm/thp: add tail pages into lru anyway in split_huge_page()

[PATCH v16 00/22] per memcg lru_lock · Alex Shi <hidden> · 2020-07-11
[PATCH v16 01/22] mm/vmscan: remove unnecessary lruvec adding · Alex Shi <hidden> · 2020-07-11
[PATCH v16 03/22] mm/compaction: correct the comments of compact_defer_shift · Alex Shi <hidden> · 2020-07-11
[PATCH v16 05/22] mm/thp: move lru_add_page_tail func to huge_memory.c · Alex Shi <hidden> · 2020-07-11
Re: [PATCH v16 05/22] mm/thp: move lru_add_page_tail func to huge_memory.c · Alex Shi <hidden> · 2020-07-16
Re: [PATCH v16 05/22] mm/thp: move lru_add_page_tail func to huge_memory.c · Kirill A. Shutemov <hidden> · 2020-07-16
Re: [PATCH v16 05/22] mm/thp: move lru_add_page_tail func to huge_memory.c · Alex Shi <hidden> · 2020-07-17
Re: [PATCH v16 05/22] mm/thp: move lru_add_page_tail func to huge_memory.c · Kirill A. Shutemov <hidden> · 2020-07-20
[PATCH v16 16/22] mm/mlock: reorder isolation sequence during munlock · Alex Shi <hidden> · 2020-07-11
Re: [PATCH v16 16/22] mm/mlock: reorder isolation sequence during munlock · Alexander Duyck <hidden> · 2020-07-17
Re: [PATCH v16 16/22] mm/mlock: reorder isolation sequence during munlock · Alex Shi <hidden> · 2020-07-19
Re: [PATCH v16 16/22] mm/mlock: reorder isolation sequence during munlock · Alexander Duyck <hidden> · 2020-07-20
Re: [PATCH v16 16/22] mm/mlock: reorder isolation sequence during munlock · Alex Shi <hidden> · 2020-07-21
Re: [PATCH v16 16/22] mm/mlock: reorder isolation sequence during munlock · Alex Shi <hidden> · 2020-07-21
[PATCH v16 19/22] mm/lru: introduce the relock_page_lruvec function · Alex Shi <hidden> · 2020-07-11
Re: [PATCH v16 19/22] mm/lru: introduce the relock_page_lruvec function · Alexander Duyck <hidden> · 2020-07-17
Re: [PATCH v16 19/22] mm/lru: introduce the relock_page_lruvec function · Alex Shi <hidden> · 2020-07-18
[PATCH v16 18/22] mm/lru: replace pgdat lru_lock with lruvec lock · Alex Shi <hidden> · 2020-07-11
Re: [PATCH v16 18/22] mm/lru: replace pgdat lru_lock with lruvec lock · Alexander Duyck <hidden> · 2020-07-17
Re: [PATCH v16 18/22] mm/lru: replace pgdat lru_lock with lruvec lock · Alex Shi <hidden> · 2020-07-18
Re: [PATCH v16 18/22] mm/lru: replace pgdat lru_lock with lruvec lock · Alex Shi <hidden> · 2020-07-19
Re: [PATCH v16 18/22] mm/lru: replace pgdat lru_lock with lruvec lock · Alexander Duyck <hidden> · 2020-07-19
Re: [PATCH v16 18/22] mm/lru: replace pgdat lru_lock with lruvec lock · Alex Shi <hidden> · 2020-07-20
[PATCH v16 15/22] mm/compaction: do page isolation first in compaction · Alex Shi <hidden> · 2020-07-11
Re: [PATCH v16 15/22] mm/compaction: do page isolation first in compaction · Alexander Duyck <hidden> · 2020-07-16
Re: [PATCH v16 15/22] mm/compaction: do page isolation first in compaction · Alex Shi <hidden> · 2020-07-17
Re: [PATCH v16 15/22] mm/compaction: do page isolation first in compaction · Alexander Duyck <hidden> · 2020-07-17
Re: [PATCH v16 15/22] mm/compaction: do page isolation first in compaction · Alex Shi <hidden> · 2020-07-19
[PATCH v16 20/22] mm/vmscan: use relock for move_pages_to_lru · Alex Shi <hidden> · 2020-07-11
Re: [PATCH v16 20/22] mm/vmscan: use relock for move_pages_to_lru · Alexander Duyck <hidden> · 2020-07-17
Re: [PATCH v16 20/22] mm/vmscan: use relock for move_pages_to_lru · Alex Shi <hidden> · 2020-07-18
[PATCH v16 10/22] mm/swap: fold vm event PGROTATED into pagevec_move_tail_fn · Alex Shi <hidden> · 2020-07-11
[PATCH v16 22/22] mm/lru: revise the comments of lru_lock · Alex Shi <hidden> · 2020-07-11
[PATCH v16 13/22] mm/lru: introduce TestClearPageLRU · Alex Shi <hidden> · 2020-07-11
Re: [PATCH v16 13/22] mm/lru: introduce TestClearPageLRU · Alex Shi <hidden> · 2020-07-16
Re: [PATCH v16 13/22] mm/lru: introduce TestClearPageLRU · Alexander Duyck <hidden> · 2020-07-16
Re: [PATCH v16 13/22] mm/lru: introduce TestClearPageLRU · Alex Shi <hidden> · 2020-07-17
Re: [PATCH v16 13/22] mm/lru: introduce TestClearPageLRU · Alexander Duyck <hidden> · 2020-07-17
Re: [PATCH v16 13/22] mm/lru: introduce TestClearPageLRU · Alex Shi <hidden> · 2020-07-19
Re: [PATCH v16 13/22] mm/lru: introduce TestClearPageLRU · Alex Shi <hidden> · 2020-07-19
[PATCH v16 07/22] mm/thp: remove code path which never got into · Alex Shi <hidden> · 2020-07-11
Re: [PATCH v16 07/22] mm/thp: remove code path which never got into · Kirill A. Shutemov <hidden> · 2020-07-20
[PATCH v16 21/22] mm/pgdat: remove pgdat lru_lock · Alex Shi <hidden> · 2020-07-11
Re: [PATCH v16 21/22] mm/pgdat: remove pgdat lru_lock · Alexander Duyck <hidden> · 2020-07-17
Re: [PATCH v16 21/22] mm/pgdat: remove pgdat lru_lock · Alex Shi <hidden> · 2020-07-18
[PATCH v16 17/22] mm/swap: serialize memcg changes during pagevec_lru_move_fn · Alex Shi <hidden> · 2020-07-11
[PATCH v16 14/22] mm/thp: add tail pages into lru anyway in split_huge_page() · Alex Shi <hidden> · 2020-07-11
Re: [PATCH v16 14/22] mm/thp: add tail pages into lru anyway in split_huge_page() · Alex Shi <hidden> · 2020-07-17
Re: [PATCH v16 14/22] mm/thp: add tail pages into lru anyway in split_huge_page() · Kirill A. Shutemov <hidden> · 2020-07-20
Re: [PATCH v16 14/22] mm/thp: add tail pages into lru anyway in split_huge_page() · Alex Shi <hidden> · 2020-07-20
[PATCH v16 06/22] mm/thp: clean up lru_add_page_tail · Alex Shi <hidden> · 2020-07-11
Re: [PATCH v16 06/22] mm/thp: clean up lru_add_page_tail · Kirill A. Shutemov <hidden> · 2020-07-20
[PATCH v16 12/22] mm/lru: move lock into lru_note_cost · Alex Shi <hidden> · 2020-07-11
[PATCH v16 11/22] mm/lru: move lru_lock holding in func lru_note_cost_page · Alex Shi <hidden> · 2020-07-11
[PATCH v16 09/22] mm/memcg: add debug checking in lock_page_memcg · Alex Shi <hidden> · 2020-07-11
[PATCH v16 04/22] mm/compaction: rename compact_deferred as compact_should_defer · Alex Shi <hidden> · 2020-07-11
[PATCH v16 08/22] mm/thp: narrow lru locking · Alex Shi <hidden> · 2020-07-11
[PATCH v16 02/22] mm/page_idle: no unlikely double check for idle page counting · Alex Shi <hidden> · 2020-07-11
Re: [PATCH v16 00/22] per memcg lru_lock · Alex Shi <hidden> · 2020-07-11
Re: [PATCH v16 00/22] per memcg lru_lock · Alex Shi <hidden> · 2020-07-16
Re: [PATCH v16 00/22] per memcg lru_lock · Alexander Duyck <hidden> · 2020-07-16
Re: [PATCH v16 00/22] per memcg lru_lock · Alex Shi <hidden> · 2020-07-17
Re: [PATCH v16 00/22] per memcg lru_lock · Hugh Dickins <hughd@google.com> · 2020-07-19
Re: [PATCH v16 00/22] per memcg lru_lock · Alex Shi <hidden> · 2020-07-20
Re: [PATCH v16 00/22] per memcg lru_lock · Hugh Dickins <hughd@google.com> · 2020-07-20
Re: [PATCH v16 00/22] per memcg lru_lock · Alex Shi <hidden> · 2020-07-20

From: Alex Shi <hidden>
Date: 2020-07-20 09:05:03
Also in: linux-mm, lkml


ÔÚ 2020/7/20 ÏÂÎç4:49, Kirill A. Shutemov Ð´µÀ:

quoted

Split_huge_page() must start with PageLRU(head), and we are holding the
lru_lock here. If the head was cleared lru bit unexpected, tracking it.

Signed-off-by: Alex Shi <alex.shi-KPsoFbNs7GizrGE5bRqYAgC/G2K4zDHf@public.gmane.org>

Reviewed-by: Kirill A. Shutemov <kirill.shutemov-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>

Hi Kirill,

Millions thanks for review!

Alex

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