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From: Roman Gushchin <roman.gushchin@linux.dev>
To: Muchun Song <songmuchun@bytedance.com>
Cc: hannes@cmpxchg.org, mhocko@kernel.org, shakeelb@google.com,
	akpm@linux-foundation.org, cgroups@vger.kernel.org,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	duanxiongchun@bytedance.com, longman@redhat.com
Subject: Re: [PATCH v5 10/11] mm: lru: add VM_BUG_ON_FOLIO to lru maintenance function
Date: Sun, 19 Jun 2022 12:49:21 -0700	[thread overview]
Message-ID: <Yq99wcC8wJ/2swzw@castle> (raw)
In-Reply-To: <20220530074919.46352-11-songmuchun@bytedance.com>

On Mon, May 30, 2022 at 03:49:18PM +0800, Muchun Song wrote:
> We need to make sure that the page is deleted from or added to the
> correct lruvec list. So add a VM_WARN_ON_ONCE_FOLIO() to catch
> invalid users.  Then the VM_BUG_ON_PAGE() in move_pages_to_lru()
> could be removed since add_page_to_lru_list() will check that.
> 
> Signed-off-by: Muchun Song <songmuchun@bytedance.com>

Acked-by: Roman Gushchin <roman.gushchin@linux.dev>

  reply	other threads:[~2022-06-19 19:49 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-30  7:49 [PATCH v5 00/11] Use obj_cgroup APIs to charge the LRU pages Muchun Song
2022-05-30  7:49 ` [PATCH v5 01/11] mm: memcontrol: remove dead code and comments Muchun Song
2022-06-10 23:01   ` Roman Gushchin
2022-05-30  7:49 ` [PATCH v5 02/11] mm: rename unlock_page_lruvec{_irq, _irqrestore} to lruvec_unlock{_irq, _irqrestore} Muchun Song
2022-06-10 23:08   ` Roman Gushchin
2022-05-30  7:49 ` [PATCH v5 03/11] mm: memcontrol: prepare objcg API for non-kmem usage Muchun Song
2022-06-01 17:34   ` Michal Koutný
2022-06-01 18:33     ` Roman Gushchin
2022-06-02 10:48       ` Muchun Song
2022-06-02  3:06     ` Muchun Song
2022-06-10 23:13   ` Roman Gushchin
2022-05-30  7:49 ` [PATCH v5 04/11] mm: memcontrol: make lruvec lock safe when LRU pages are reparented Muchun Song
2022-05-30  7:49 ` [PATCH v5 05/11] mm: vmscan: rework move_pages_to_lru() Muchun Song
2022-05-30  7:49 ` [PATCH v5 06/11] mm: thp: make split queue lock safe when LRU pages are reparented Muchun Song
2022-05-30  7:49 ` [PATCH v5 07/11] mm: memcontrol: make all the callers of {folio,page}_memcg() safe Muchun Song
2022-06-19 19:37   ` Roman Gushchin
2022-06-20  6:13     ` Muchun Song
2022-05-30  7:49 ` [PATCH v5 08/11] mm: memcontrol: introduce memcg_reparent_ops Muchun Song
2022-06-19 19:47   ` Roman Gushchin
2022-06-20  7:14     ` Muchun Song
2022-05-30  7:49 ` [PATCH v5 09/11] mm: memcontrol: use obj_cgroup APIs to charge the LRU pages Muchun Song
2022-06-01 17:34   ` Michal Koutný
2022-06-02  4:14     ` Muchun Song
2022-06-19 20:32   ` Roman Gushchin
2022-05-30  7:49 ` [PATCH v5 10/11] mm: lru: add VM_BUG_ON_FOLIO to lru maintenance function Muchun Song
2022-06-19 19:49   ` Roman Gushchin [this message]
2022-05-30  7:49 ` [PATCH v5 11/11] mm: lru: use lruvec lock to serialize memcg changes Muchun Song
2022-05-30 21:17 ` [PATCH v5 00/11] Use obj_cgroup APIs to charge the LRU pages Andrew Morton
2022-05-31  2:26   ` Muchun Song
2022-05-31  2:46   ` Roman Gushchin
2022-05-31  2:41 ` Waiman Long
2022-05-31  7:29   ` Muchun Song
2022-06-09  2:43 ` Muchun Song
2022-06-09  2:53   ` Roman Gushchin
2022-06-09  3:09     ` Muchun Song

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