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From: Joao Martins <joao.m.martins@oracle.com>
To: Dan Williams <dan.j.williams@intel.com>
Cc: Linux MM <linux-mm@kvack.org>,
	linux-nvdimm <linux-nvdimm@lists.01.org>,
	Matthew Wilcox <willy@infradead.org>,
	Jason Gunthorpe <jgg@ziepe.ca>, Jane Chu <jane.chu@oracle.com>,
	Muchun Song <songmuchun@bytedance.com>,
	Mike Kravetz <mike.kravetz@oracle.com>,
	Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH v1 04/11] mm/memremap: add ZONE_DEVICE support for compound pages
Date: Thu, 6 May 2021 11:12:54 +0100	[thread overview]
Message-ID: <2c0fe38f-ac2e-7f65-fca8-93d722fa4a4f@oracle.com> (raw)
In-Reply-To: <CAPcyv4jGgWMoQQnG69UVRt=DW8ii4MLc-vVO2qVLbyCghGu=0Q@mail.gmail.com>

On 5/6/21 12:03 AM, Dan Williams wrote:
> On Wed, May 5, 2021 at 3:36 PM Joao Martins <joao.m.martins@oracle.com> wrote:
> [..]
>>> Ah yup, my eyes glazed over that. I think this is another place that
>>> benefits from a more specific name than "align". "pfns_per_compound"
>>> "compound_pfns"?
>>>
>> We are still describing a page, just not a base page. So perhaps @pfns_per_hpage ?
>>
>> I am fine with @pfns_per_compound or @compound_pfns as well.
> 
> My only concern about hpage is that hpage implies PMD, where compound
> is generic across PMD and PUD.
> 
True.

I will stick with your suggestions.
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  reply	other threads:[~2021-05-06 10:13 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-25 23:09 [PATCH v1 00/11] mm, sparse-vmemmap: Introduce compound pagemaps Joao Martins
2021-03-25 23:09 ` [PATCH v1 01/11] memory-failure: fetch compound_head after pgmap_pfn_valid() Joao Martins
2021-04-24  0:12   ` Dan Williams
2021-04-24 19:00     ` Joao Martins
2021-03-25 23:09 ` [PATCH v1 02/11] mm/page_alloc: split prep_compound_page into head and tail subparts Joao Martins
2021-04-24  0:16   ` Dan Williams
2021-04-24 19:05     ` Joao Martins
2021-03-25 23:09 ` [PATCH v1 03/11] mm/page_alloc: refactor memmap_init_zone_device() page init Joao Martins
2021-04-24  0:18   ` Dan Williams
2021-04-24 19:05     ` Joao Martins
2021-03-25 23:09 ` [PATCH v1 04/11] mm/memremap: add ZONE_DEVICE support for compound pages Joao Martins
2021-05-05 18:44   ` Dan Williams
2021-05-05 18:58     ` Matthew Wilcox
2021-05-05 19:49     ` Joao Martins
2021-05-05 22:20       ` Dan Williams
2021-05-05 22:36         ` Joao Martins
2021-05-05 23:03           ` Dan Williams
2021-05-06 10:12             ` Joao Martins [this message]
2021-05-18 17:27           ` Joao Martins
2021-05-18 19:56             ` Jane Chu
2021-05-19 11:29               ` Joao Martins
2021-05-06  8:05         ` Aneesh Kumar K.V
2021-05-06 10:23           ` Joao Martins
2021-05-06 11:43             ` Matthew Wilcox
2021-05-06 12:15               ` Joao Martins
2021-03-25 23:09 ` [PATCH v1 05/11] mm/sparse-vmemmap: add a pgmap argument to section activation Joao Martins
2021-05-05 22:34   ` Dan Williams
2021-05-05 22:37     ` Joao Martins
2021-05-05 23:14       ` Dan Williams
2021-05-06 10:24         ` Joao Martins
2021-03-25 23:09 ` [PATCH v1 06/11] mm/sparse-vmemmap: refactor vmemmap_populate_basepages() Joao Martins
2021-05-05 22:43   ` Dan Williams
2021-05-06 10:27     ` Joao Martins
2021-05-06 18:36       ` Joao Martins
2021-03-25 23:09 ` [PATCH v1 07/11] mm/sparse-vmemmap: populate compound pagemaps Joao Martins
2021-05-06  1:18   ` Dan Williams
2021-05-06 11:01     ` Joao Martins
2021-05-10 19:19       ` Dan Williams
2021-05-13 18:45         ` Joao Martins
2021-03-25 23:09 ` [PATCH v1 08/11] mm/sparse-vmemmap: use hugepages for PUD " Joao Martins
2021-03-25 23:09 ` [PATCH v1 09/11] mm/page_alloc: reuse tail struct pages for " Joao Martins
2021-03-25 23:09 ` [PATCH v1 10/11] device-dax: compound pagemap support Joao Martins
2021-03-25 23:09 ` [PATCH v1 11/11] mm/gup: grab head page refcount once for group of subpages Joao Martins
2021-04-01  9:38 ` [PATCH v1 00/11] mm, sparse-vmemmap: Introduce compound pagemaps Joao Martins

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