linux-kernel - [PATCH 0/4] A few cleanup and fixup patches for migration

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Date:   Sat, 9 Apr 2022 15:38:42 +0800
From:   Miaohe Lin <linmiaohe@...wei.com>
To:     <akpm@...ux-foundation.org>
CC:     <mike.kravetz@...cle.com>, <shy828301@...il.com>,
        <willy@...radead.org>, <ying.huang@...el.com>, <ziy@...dia.com>,
        <minchan@...nel.org>, <apopple@...dia.com>,
        <dave.hansen@...ux.intel.com>, <o451686892@...il.com>,
        <jhubbard@...dia.com>, <peterx@...hat.com>,
        <naoya.horiguchi@....com>, <mhocko@...e.com>, <riel@...hat.com>,
        <osalvador@...e.de>, <david@...hat.com>, <sfr@...b.auug.org.au>,
        <linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>,
        <linmiaohe@...wei.com>
Subject: [PATCH 0/4] A few cleanup and fixup patches for migration

Hi everyone,
This series contains a few patches to remove unneeded lock page and
PageMovable check, reduce the rcu lock duration. Also we fix potential
pte_unmap on an not mapped pte. More details can be found in the
respective changelogs. Thanks!

---
v1:
  rebase [1] on mainline.

[1] https://lore.kernel.org/lkml/20220304093409.25829-2-linmiaohe@huawei.com/T/
---
Miaohe Lin (4):
  mm/migration: reduce the rcu lock duration
  mm/migration: remove unneeded lock page and PageMovable check
  mm/migration: return errno when isolate_huge_page failed
  mm/migration: fix potential pte_unmap on an not mapped pte

 include/linux/migrate.h |  2 +-
 include/linux/swapops.h |  4 ++--
 mm/filemap.c            | 10 +++++-----
 mm/hugetlb.c            |  2 +-
 mm/migrate.c            | 31 +++++++++++++------------------
 5 files changed, 22 insertions(+), 27 deletions(-)

-- 
2.23.0