From: Muchun Song <songmuchun@bytedance.com>
To: Joao Martins <joao.m.martins@oracle.com>
Cc: Linux Memory Management List <linux-mm@kvack.org>,
Dan Williams <dan.j.williams@intel.com>,
Vishal Verma <vishal.l.verma@intel.com>,
Dave Jiang <dave.jiang@intel.com>,
Naoya Horiguchi <naoya.horiguchi@nec.com>,
Matthew Wilcox <willy@infradead.org>,
Jason Gunthorpe <jgg@ziepe.ca>,
John Hubbard <jhubbard@nvidia.com>,
Jane Chu <jane.chu@oracle.com>,
Mike Kravetz <mike.kravetz@oracle.com>,
Andrew Morton <akpm@linux-foundation.org>,
Jonathan Corbet <corbet@lwn.net>,
nvdimm@lists.linux.dev, linux-doc@vger.kernel.org
Subject: Re: [External] [PATCH v3 01/14] memory-failure: fetch compound_head after pgmap_pfn_valid()
Date: Thu, 15 Jul 2021 10:51:47 +0800 [thread overview]
Message-ID: <CAMZfGtWhx71w0b4FM_t2LCK-q1+ePv6YQtQat+9FozLPnN4x3Q@mail.gmail.com> (raw)
In-Reply-To: <20210714193542.21857-2-joao.m.martins@oracle.com>
On Thu, Jul 15, 2021 at 3:36 AM Joao Martins <joao.m.martins@oracle.com> wrote:
>
> memory_failure_dev_pagemap() at the moment assumes base pages (e.g.
> dax_lock_page()). For pagemap with compound pages fetch the
> compound_head in case a tail page memory failure is being handled.
>
> Currently this is a nop, but in the advent of compound pages in
> dev_pagemap it allows memory_failure_dev_pagemap() to keep working.
>
> Reported-by: Jane Chu <jane.chu@oracle.com>
> Signed-off-by: Joao Martins <joao.m.martins@oracle.com>
> Reviewed-by: Naoya Horiguchi <naoya.horiguchi@nec.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
next prev parent reply other threads:[~2021-07-15 2:52 UTC|newest]
Thread overview: 106+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-14 19:35 [PATCH v3 00/14] mm, sparse-vmemmap: Introduce compound pagemaps Joao Martins
2021-07-14 19:35 ` [PATCH v3 01/14] memory-failure: fetch compound_head after pgmap_pfn_valid() Joao Martins
2021-07-15 0:17 ` Dan Williams
2021-07-15 0:17 ` Dan Williams
2021-07-15 2:51 ` Muchun Song [this message]
2021-07-15 2:51 ` [External] " Muchun Song
2021-07-15 6:40 ` Christoph Hellwig
2021-07-15 9:19 ` Muchun Song
2021-07-15 9:19 ` Muchun Song
2021-07-15 13:17 ` Joao Martins
2021-07-14 19:35 ` [PATCH v3 02/14] mm/page_alloc: split prep_compound_page into head and tail subparts Joao Martins
2021-07-15 0:19 ` Dan Williams
2021-07-15 0:19 ` Dan Williams
2021-07-15 2:53 ` [External] " Muchun Song
2021-07-15 2:53 ` Muchun Song
2021-07-15 13:17 ` Joao Martins
2021-07-14 19:35 ` [PATCH v3 03/14] mm/page_alloc: refactor memmap_init_zone_device() page init Joao Martins
2021-07-15 0:20 ` Dan Williams
2021-07-15 0:20 ` Dan Williams
2021-07-14 19:35 ` [PATCH v3 04/14] mm/memremap: add ZONE_DEVICE support for compound pages Joao Martins
2021-07-15 1:08 ` Dan Williams
2021-07-15 1:08 ` Dan Williams
2021-07-15 12:52 ` Joao Martins
2021-07-15 13:06 ` Joao Martins
2021-07-15 19:48 ` Dan Williams
2021-07-15 19:48 ` Dan Williams
2021-07-30 16:13 ` Joao Martins
2021-07-22 0:38 ` Jane Chu
2021-07-22 10:56 ` Joao Martins
2021-07-15 12:59 ` Christoph Hellwig
2021-07-15 13:15 ` Joao Martins
2021-07-15 6:48 ` Christoph Hellwig
2021-07-15 13:15 ` Joao Martins
2021-07-14 19:35 ` [PATCH v3 05/14] mm/sparse-vmemmap: add a pgmap argument to section activation Joao Martins
2021-07-28 5:56 ` Dan Williams
2021-07-28 5:56 ` Dan Williams
2021-07-28 9:43 ` Joao Martins
2021-07-14 19:35 ` [PATCH v3 06/14] mm/sparse-vmemmap: refactor core of vmemmap_populate_basepages() to helper Joao Martins
2021-07-28 6:04 ` Dan Williams
2021-07-28 6:04 ` Dan Williams
2021-07-28 10:48 ` Joao Martins
2021-07-14 19:35 ` [PATCH v3 07/14] mm/hugetlb_vmemmap: move comment block to Documentation/vm Joao Martins
2021-07-15 2:47 ` [External] " Muchun Song
2021-07-15 2:47 ` Muchun Song
2021-07-15 13:16 ` Joao Martins
2021-07-28 6:09 ` Dan Williams
2021-07-28 6:09 ` Dan Williams
2021-07-14 19:35 ` [PATCH v3 08/14] mm/sparse-vmemmap: populate compound pagemaps Joao Martins
2021-07-28 6:55 ` Dan Williams
2021-07-28 6:55 ` Dan Williams
2021-07-28 15:35 ` Joao Martins
2021-07-28 18:03 ` Dan Williams
2021-07-28 18:03 ` Dan Williams
2021-07-28 18:54 ` Joao Martins
2021-07-28 20:04 ` Joao Martins
2021-07-14 19:35 ` [PATCH v3 09/14] mm/page_alloc: reuse tail struct pages for " Joao Martins
2021-07-28 7:28 ` Dan Williams
2021-07-28 7:28 ` Dan Williams
2021-07-28 15:56 ` Joao Martins
2021-07-28 16:08 ` Dan Williams
2021-07-28 16:08 ` Dan Williams
2021-07-28 16:12 ` Joao Martins
2021-07-14 19:35 ` [PATCH v3 10/14] device-dax: use ALIGN() for determining pgoff Joao Martins
2021-07-28 7:29 ` Dan Williams
2021-07-28 7:29 ` Dan Williams
2021-07-28 15:56 ` Joao Martins
2021-07-14 19:35 ` [PATCH v3 11/14] device-dax: ensure dev_dax->pgmap is valid for dynamic devices Joao Martins
2021-07-28 7:30 ` Dan Williams
2021-07-28 7:30 ` Dan Williams
2021-07-28 15:56 ` Joao Martins
2021-08-06 12:28 ` Joao Martins
2021-07-14 19:35 ` [PATCH v3 12/14] device-dax: compound pagemap support Joao Martins
2021-07-14 23:36 ` Dan Williams
2021-07-14 23:36 ` Dan Williams
2021-07-15 12:00 ` Joao Martins
2021-07-27 23:51 ` Dan Williams
2021-07-27 23:51 ` Dan Williams
2021-07-28 9:36 ` Joao Martins
2021-07-28 18:51 ` Dan Williams
2021-07-28 18:51 ` Dan Williams
2021-07-28 18:59 ` Joao Martins
2021-07-28 19:03 ` Dan Williams
2021-07-28 19:03 ` Dan Williams
2021-07-14 19:35 ` [PATCH v3 13/14] mm/gup: grab head page refcount once for group of subpages Joao Martins
2021-07-28 19:55 ` Dan Williams
2021-07-28 19:55 ` Dan Williams
2021-07-28 20:07 ` Joao Martins
2021-07-28 20:23 ` Dan Williams
2021-07-28 20:23 ` Dan Williams
2021-08-25 19:10 ` Joao Martins
2021-08-25 19:15 ` Matthew Wilcox
2021-08-25 19:26 ` Joao Martins
2021-07-14 19:35 ` [PATCH v3 14/14] mm/sparse-vmemmap: improve memory savings for compound pud geometry Joao Martins
2021-07-28 20:03 ` Dan Williams
2021-07-28 20:03 ` Dan Williams
2021-07-28 20:08 ` Joao Martins
2021-07-14 21:48 ` [PATCH v3 00/14] mm, sparse-vmemmap: Introduce compound pagemaps Andrew Morton
2021-07-14 23:47 ` Dan Williams
2021-07-14 23:47 ` Dan Williams
2021-07-22 2:24 ` Matthew Wilcox
2021-07-22 10:53 ` Joao Martins
2021-07-27 23:23 ` Dan Williams
2021-07-27 23:23 ` Dan Williams
2021-08-02 10:40 ` Joao Martins
2021-08-02 14:06 ` Dan Williams
2021-08-02 14:06 ` Dan Williams
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