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From: Muchun Song <songmuchun@bytedance.com>
To: Miaohe Lin <linmiaohe@huawei.com>
Cc: "Andrew Morton" <akpm@linux-foundation.org>,
	"Mike Kravetz" <mike.kravetz@oracle.com>,
	"Yang Shi" <shy828301@gmail.com>,
	"Matthew Wilcox" <willy@infradead.org>,
	"Huang Ying" <ying.huang@intel.com>, "Zi Yan" <ziy@nvidia.com>,
	"Minchan Kim" <minchan@kernel.org>,
	"Alistair Popple" <apopple@nvidia.com>,
	ave.hansen@linux.intel.com, o451686892@gmail.com,
	"Mina Almasry" <almasrymina@google.com>,
	"John Hubbard" <jhubbard@nvidia.com>,
	"Ralph Campbell" <rcampbell@nvidia.com>,
	"Peter Xu" <peterx@redhat.com>,
	"HORIGUCHI NAOYA(堀口 直也)" <naoya.horiguchi@nec.com>,
	"Michal Hocko" <mhocko@suse.com>,
	riel@redhat.com,
	"Linux Memory Management List" <linux-mm@kvack.org>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 01/16] mm/migration: remove unneeded local variable mapping_locked
Date: Fri, 4 Mar 2022 21:48:05 +0800	[thread overview]
Message-ID: <CAMZfGtWH5_tbQwiw0P=e2OuEuMX0BusDevN5WyOTzEC5_cVhtw@mail.gmail.com> (raw)
In-Reply-To: <20220304093409.25829-2-linmiaohe@huawei.com>

On Fri, Mar 4, 2022 at 5:35 PM Miaohe Lin <linmiaohe@huawei.com> wrote:
>
> When mapping_locked is true, TTU_RMAP_LOCKED is always set to ttu. We can
> check ttu instead so mapping_locked can be removed. And ttu is either 0
> or TTU_RMAP_LOCKED now. Change '|=' to '=' to reflect this.
>
> Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>

Reviewed-by: Muchun Song <songmuchun@bytedance.com>

Thanks.

  reply	other threads:[~2022-03-04 13:48 UTC|newest]

Thread overview: 73+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-04  9:33 [PATCH 00/16] A few cleanup and fixup patches for migration Miaohe Lin
2022-03-04  9:33 ` [PATCH 01/16] mm/migration: remove unneeded local variable mapping_locked Miaohe Lin
2022-03-04 13:48   ` Muchun Song [this message]
2022-03-07  2:00   ` Huang, Ying
2022-03-08 11:41     ` Miaohe Lin
2022-03-04  9:33 ` [PATCH 02/16] mm/migration: remove unneeded out label Miaohe Lin
2022-03-04 12:12   ` Muchun Song
2022-03-07  2:03   ` Huang, Ying
2022-03-08 11:44     ` Miaohe Lin
2022-03-04  9:33 ` [PATCH 03/16] mm/migration: remove unneeded local variable page_lru Miaohe Lin
2022-03-07 10:58   ` Alistair Popple
2022-03-08 11:29     ` Miaohe Lin
2022-03-04  9:33 ` [PATCH 04/16] mm/migration: reduce the rcu lock duration Miaohe Lin
2022-03-04 12:16   ` Muchun Song
2022-03-07  2:32   ` Huang, Ying
2022-03-08 12:09     ` Miaohe Lin
2022-03-09  1:02       ` Huang, Ying
2022-03-09  8:28         ` Miaohe Lin
2022-03-04  9:33 ` [PATCH 05/16] mm/migration: fix the confusing PageTransHuge check Miaohe Lin
2022-03-04 12:20   ` Muchun Song
2022-03-04  9:33 ` [PATCH 06/16] mm/migration: use helper function vma_lookup() in add_page_for_migration Miaohe Lin
2022-03-04  9:34 ` [PATCH 07/16] mm/migration: use helper macro min_t in do_pages_stat Miaohe Lin
2022-03-04 13:51   ` Muchun Song
2022-03-07  1:14   ` Andrew Morton
2022-03-07 11:51     ` Miaohe Lin
2022-03-04  9:34 ` [PATCH 08/16] mm/migration: avoid unneeded nodemask_t initialization Miaohe Lin
2022-03-04 13:57   ` Muchun Song
2022-03-07  2:31   ` Baolin Wang
2022-03-04  9:34 ` [PATCH 09/16] mm/migration: remove some duplicated codes in migrate_pages Miaohe Lin
2022-03-04 15:16   ` Zi Yan
2022-03-07  1:44   ` Baolin Wang
2022-03-04  9:34 ` [PATCH 10/16] mm/migration: remove PG_writeback handle in folio_migrate_flags Miaohe Lin
2022-03-07  1:21   ` Andrew Morton
2022-03-07 12:44     ` Miaohe Lin
2022-03-04  9:34 ` [PATCH 11/16] mm/migration: remove unneeded lock page and PageMovable check Miaohe Lin
2022-03-04  9:34 ` [PATCH 12/16] mm/migration: fix potential page refcounts leak in migrate_pages Miaohe Lin
2022-03-04 15:21   ` Zi Yan
2022-03-07  1:57   ` Baolin Wang
2022-03-07  5:02     ` Huang, Ying
2022-03-07  6:00       ` Baolin Wang
2022-03-07 12:03         ` Miaohe Lin
2022-03-07 12:01     ` Miaohe Lin
2022-03-07  5:01   ` Huang, Ying
2022-03-07 12:11     ` Miaohe Lin
2022-03-04  9:34 ` [PATCH 13/16] mm/migration: return errno when isolate_huge_page failed Miaohe Lin
2022-03-05  2:23   ` Muchun Song
2022-03-07 11:46     ` Miaohe Lin
2022-03-07  2:14   ` Baolin Wang
2022-03-07 12:20     ` Miaohe Lin
2022-03-08  1:32       ` Baolin Wang
2022-03-08  6:34         ` Miaohe Lin
2022-03-07  5:07   ` Huang, Ying
2022-03-08 12:12     ` Miaohe Lin
2022-03-09  1:00       ` Huang, Ying
2022-03-09  8:29         ` Miaohe Lin
2022-03-04  9:34 ` [PATCH 14/16] mm/migration: fix potential invalid node access for reclaim-based migration Miaohe Lin
2022-03-07  2:25   ` Baolin Wang
2022-03-07  5:14     ` Huang, Ying
2022-03-07  7:04       ` Baolin Wang
2022-03-08 11:46         ` Miaohe Lin
2022-03-07  5:14   ` Huang, Ying
2022-03-04  9:34 ` [PATCH 15/16] mm/migration: fix possible do_pages_stat_array racing with memory offline Miaohe Lin
2022-03-07  5:21   ` Huang, Ying
2022-03-07  7:01     ` Muchun Song
2022-03-07  7:42       ` Huang, Ying
2022-03-08 11:33         ` Miaohe Lin
2022-03-04  9:34 ` [PATCH 16/16] mm/migration: fix potential pte_unmap on an not mapped pte Miaohe Lin
2022-03-07  5:37   ` Huang, Ying
2022-03-08 12:19     ` Miaohe Lin
2022-03-09  0:56       ` Huang, Ying
2022-03-09  8:48         ` Miaohe Lin
2022-03-07  7:35   ` Alistair Popple
2022-03-08 11:55     ` Miaohe Lin

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