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From: Alex Shi <alex.shi@linux.alibaba.com>
To: Johannes Weiner <hannes@cmpxchg.org>
Cc: akpm@linux-foundation.org, mgorman@techsingularity.net,
	tj@kernel.org, hughd@google.com, khlebnikov@yandex-team.ru,
	daniel.m.jordan@oracle.com, willy@infradead.org, lkp@intel.com,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	cgroups@vger.kernel.org, shakeelb@google.com,
	iamjoonsoo.kim@lge.com, richard.weiyang@gmail.com,
	kirill@shutemov.name, alexander.duyck@gmail.com,
	rong.a.chen@intel.com, mhocko@suse.com, vdavydov.dev@gmail.com,
	shy828301@gmail.com, Michal Hocko <mhocko@kernel.org>
Subject: Re: [PATCH v20 02/20] mm/memcg: bail early from swap accounting if memcg disabled
Date: Fri, 30 Oct 2020 10:27:51 +0800	[thread overview]
Message-ID: <96b6d122-df0e-dfb0-368c-6bd714fab116@linux.alibaba.com> (raw)
In-Reply-To: <20201029134648.GC599825@cmpxchg.org>



在 2020/10/29 下午9:46, Johannes Weiner 写道:
>>  ? release_pages+0x1ae/0x410
>>  shmem_alloc_and_acct_page+0x77/0x1c0
>>  shmem_getpage_gfp+0x162/0x910
>>  shmem_fault+0x74/0x210
>>  ? filemap_map_pages+0x29c/0x410
>>  __do_fault+0x37/0x190
>>  handle_mm_fault+0x120a/0x1770
>>  exc_page_fault+0x251/0x450
>>  ? asm_exc_page_fault+0x8/0x30
>>  asm_exc_page_fault+0x1e/0x30
>>
>> Signed-off-by: Alex Shi <alex.shi@linux.alibaba.com>
>> Reviewed-by: Roman Gushchin <guro@fb.com>
>> Acked-by: Michal Hocko <mhocko@suse.com>
>> Acked-by: Hugh Dickins <hughd@google.com>
>> Cc: Johannes Weiner <hannes@cmpxchg.org>
>> Cc: Michal Hocko <mhocko@kernel.org>
>> Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
>> Cc: Andrew Morton <akpm@linux-foundation.org>
>> Cc: cgroups@vger.kernel.org
>> Cc: linux-mm@kvack.org
>> Cc: linux-kernel@vger.kernel.org
> Acked-by: Johannes Weiner <hannes@cmpxchg.org>
> 
> This should go in before the previous patch that adds the WARN for it.

Right, but than the long ops may not weird. Should I remove the ops and resend the whole patchset?

Which way is convenient for you?

Thanks
Alex

  reply	other threads:[~2020-10-30  2:30 UTC|newest]

Thread overview: 67+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-29 10:44 [PATCH v20 00/20] per memcg lru lock Alex Shi
2020-10-29 10:44 ` [PATCH v20 01/20] mm/memcg: warning on !memcg after readahead page charged Alex Shi
2020-10-29 13:43   ` Johannes Weiner
2020-10-29 10:44 ` [PATCH v20 02/20] mm/memcg: bail early from swap accounting if memcg disabled Alex Shi
2020-10-29 13:46   ` Johannes Weiner
2020-10-30  2:27     ` Alex Shi [this message]
2020-10-30 14:04       ` Johannes Weiner
2020-10-31  1:13         ` Alex Shi
2020-10-29 10:44 ` [PATCH v20 03/20] mm/thp: move lru_add_page_tail func to huge_memory.c Alex Shi
2020-10-29 13:47   ` Johannes Weiner
2020-10-29 10:44 ` [PATCH v20 04/20] mm/thp: use head for head page in lru_add_page_tail Alex Shi
2020-10-29 13:50   ` Johannes Weiner
2020-10-30  2:46     ` Alex Shi
2020-10-30 13:52       ` Johannes Weiner
2020-10-31  1:14         ` Alex Shi
2020-11-02 16:03       ` Matthew Wilcox
2020-11-03  2:43         ` Alex Shi
2020-10-29 10:44 ` [PATCH v20 05/20] mm/thp: Simplify lru_add_page_tail() Alex Shi
2020-10-29 14:00   ` Johannes Weiner
2020-10-30  2:48   ` Alex Shi
2020-10-29 10:44 ` [PATCH v20 06/20] mm/thp: narrow lru locking Alex Shi
2020-10-29 10:44 ` [PATCH v20 07/20] mm/vmscan: remove unnecessary lruvec adding Alex Shi
2020-11-02 14:20   ` Johannes Weiner
2020-10-29 10:44 ` [PATCH v20 08/20] mm: page_idle_get_page() does not need lru_lock Alex Shi
2020-11-02 14:41   ` Johannes Weiner
2020-11-02 14:49     ` Matthew Wilcox
2020-11-02 20:20       ` Johannes Weiner
2020-11-04 11:27         ` Alex Shi
2020-11-04 17:46           ` Johannes Weiner
2020-11-05  4:52             ` Alex Shi
2020-11-05  4:57               ` Matthew Wilcox
2020-11-05  5:03                 ` Alex Shi
2020-11-05 15:36                   ` Johannes Weiner
2020-11-05 15:43                     ` Matthew Wilcox
2020-11-06  1:11                     ` Alex Shi
2020-11-11  7:27     ` Hugh Dickins
2020-10-29 10:44 ` [PATCH v20 09/20] mm/memcg: add debug checking in lock_page_memcg Alex Shi
2020-11-02 14:45   ` Johannes Weiner
2020-10-29 10:44 ` [PATCH v20 10/20] mm/swap.c: fold vm event PGROTATED into pagevec_move_tail_fn Alex Shi
2020-11-02 14:48   ` Johannes Weiner
2020-10-29 10:44 ` [PATCH v20 11/20] mm/lru: move lock into lru_note_cost Alex Shi
2020-10-29 13:42   ` Johannes Weiner
2020-10-29 10:44 ` [PATCH v20 12/20] mm/vmscan: remove lruvec reget in move_pages_to_lru Alex Shi
2020-11-02 14:52   ` Johannes Weiner
2020-11-03  2:51     ` Alex Shi
2020-10-29 10:44 ` [PATCH v20 13/20] mm/mlock: remove lru_lock on TestClearPageMlocked Alex Shi
2020-11-02 14:55   ` Johannes Weiner
2020-10-29 10:44 ` [PATCH v20 14/20] mm/mlock: remove __munlock_isolate_lru_page Alex Shi
2020-11-02 14:56   ` Johannes Weiner
2020-10-29 10:45 ` [PATCH v20 15/20] mm/lru: introduce TestClearPageLRU Alex Shi
2020-11-02 15:10   ` Johannes Weiner
2020-11-03  3:02     ` Alex Shi
2020-10-29 10:45 ` [PATCH v20 16/20] mm/compaction: do page isolation first in compaction Alex Shi
2020-11-02 15:18   ` Johannes Weiner
2020-10-29 10:45 ` [PATCH v20 17/20] mm/swap.c: serialize memcg changes in pagevec_lru_move_fn Alex Shi
2020-11-02 15:20   ` Johannes Weiner
2020-10-29 10:45 ` [PATCH v20 18/20] mm/lru: replace pgdat lru_lock with lruvec lock Alex Shi
2020-10-30  2:49   ` Alex Shi
2020-11-02 20:41     ` Johannes Weiner
2020-11-03  4:58       ` Alex Shi
2020-10-29 10:45 ` [PATCH v20 19/20] mm/lru: introduce the relock_page_lruvec function Alex Shi
2020-11-02 20:44   ` Johannes Weiner
2020-10-29 10:45 ` [PATCH v20 20/20] mm/lru: revise the comments of lru_lock Alex Shi
2020-11-02 20:46   ` Johannes Weiner
2020-11-04 11:55 ` [PATCH v20 00/20] per memcg lru lock Alex Shi
2020-11-04 16:59   ` Johannes Weiner
2020-11-05  5:07     ` Alex Shi

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