From: Muchun Song <songmuchun@bytedance.com>
To: mike.kravetz@oracle.com, akpm@linux-foundation.org
Cc: n-horiguchi@ah.jp.nec.com, ak@linux.intel.com, mhocko@suse.cz,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Muchun Song <songmuchun@bytedance.com>
Subject: [PATCH v6 0/5] Fix some bugs about HugeTLB code
Date: Fri, 15 Jan 2021 20:49:37 +0800 [thread overview]
Message-ID: <20210115124942.46403-1-songmuchun@bytedance.com> (raw)
This patch series aims to fix some bugs and add some improvements.
Changelog since v5 -> v6:
- Simplify patch #3 and update commit changelog.
Changelog since v4 -> v5:
- Squash "mm: hugetlb: retry dissolve page when hitting race"
to "mm: hugetlb: fix a race between freeing and dissolving the page"
Changelog since v3 -> v4:
- Update commit log of patch #1.
- Drop "mm: hugetlb: add return -EAGAIN for dissolve_free_huge_page"
- Add "mm: hugetlb: retry dissolve page when hitting race"
Changelog since v2 -> v3:
- Update commit log.
- Using head[3].private to indicate the page is freed in patch #3.
Changelog since v1 -> v2:
- Export set_page_huge_active() in patch #2 to fix.
- Using head[3].mapping to indicate the page is freed in patch #3.
- Flush @free_hpage_work in patch #4.
Muchun Song (5):
mm: migrate: do not migrate HugeTLB page whose refcount is one
mm: hugetlbfs: fix cannot migrate the fallocated HugeTLB page
mm: hugetlb: fix a race between freeing and dissolving the page
mm: hugetlb: fix a race between isolating and freeing page
mm: hugetlb: remove VM_BUG_ON_PAGE from page_huge_active
fs/hugetlbfs/inode.c | 3 ++-
include/linux/hugetlb.h | 2 ++
mm/hugetlb.c | 48 +++++++++++++++++++++++++++++++++++++++++++-----
mm/migrate.c | 6 ++++++
4 files changed, 53 insertions(+), 6 deletions(-)
--
2.11.0
next reply other threads:[~2021-01-15 12:53 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-15 12:49 Muchun Song [this message]
2021-01-15 12:49 ` [PATCH v6 1/5] mm: migrate: do not migrate HugeTLB page whose refcount is one Muchun Song
2021-01-15 12:49 ` [PATCH v6 2/5] mm: hugetlbfs: fix cannot migrate the fallocated HugeTLB page Muchun Song
2021-01-15 12:49 ` [PATCH v6 3/5] mm: hugetlb: fix a race between freeing and dissolving the page Muchun Song
2021-01-15 13:22 ` Oscar Salvador
2021-01-18 9:13 ` Michal Hocko
2021-01-15 12:49 ` [PATCH v6 4/5] mm: hugetlb: fix a race between isolating and freeing page Muchun Song
2021-01-15 13:26 ` Oscar Salvador
2021-01-15 12:49 ` [PATCH v6 5/5] mm: hugetlb: remove VM_BUG_ON_PAGE from page_huge_active Muchun Song
2021-01-15 13:27 ` Oscar Salvador
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