linux-arm-kernel.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
From: David Hildenbrand <david@redhat.com>
To: John Hubbard <jhubbard@nvidia.com>,
	Ryan Roberts <ryan.roberts@arm.com>,
	Alistair Popple <apopple@nvidia.com>
Cc: Matthew Wilcox <willy@infradead.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Yin Fengwei <fengwei.yin@intel.com>, Yu Zhao <yuzhao@google.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Anshuman Khandual <anshuman.khandual@arm.com>,
	Yang Shi <shy828301@gmail.com>,
	"Huang, Ying" <ying.huang@intel.com>, Zi Yan <ziy@nvidia.com>,
	Luis Chamberlain <mcgrof@kernel.org>,
	Itaru Kitayama <itaru.kitayama@gmail.com>,
	"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
	David Rientjes <rientjes@google.com>,
	Vlastimil Babka <vbabka@suse.cz>, Hugh Dickins <hughd@google.com>,
	Kefeng Wang <wangkefeng.wang@huawei.com>,
	linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [RESEND PATCH v7 00/10] Small-sized THP for anonymous memory
Date: Tue, 28 Nov 2023 09:48:42 +0100	[thread overview]
Message-ID: <afb92816-25ed-41c8-a48b-94fb2d885d8e@redhat.com> (raw)
In-Reply-To: <b2d19306-0d68-4aef-9b68-15948ddc8ea0@nvidia.com>


>>
>> Agreed. We are bikeshedding here. But if we really can't swallow "small-sized
>> THP" then perhaps the most efficient way to move this forwards is to review the
>> documentation (where "small-sized THP" appears twice in order to differentiate
>> from PMD-sized THP) - its in patch 3. Perhaps it will be easier to come up with
>> a good description in the context of those prose? Then once we have that,
>> hopefully a term will fall out that I'll update the commit logs with.
>>
> 
> I will see you over in patch 3, then. I've already looked at it and am going
> to suggest a long and a short name. The long name is for use in comments and
> documentation, and the short name is for variable fragments:
> 
>       Long name:  "pte-mapped THPs"
>       Short names: pte_thp, or pte-thp

The issue is that any THP can be pte-mapped, even a PMD-sized THP. 
However, the "natural" way to map a PMD-sized THP is using a PMD.

-- 
Cheers,

David / dhildenb


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2023-11-28  8:49 UTC|newest]

Thread overview: 63+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-22 16:29 [RESEND PATCH v7 00/10] Small-sized THP for anonymous memory Ryan Roberts
2023-11-22 16:29 ` [RESEND PATCH v7 01/10] mm: Allow deferred splitting of arbitrary anon large folios Ryan Roberts
2023-11-27  8:27   ` Barry Song
2023-11-22 16:29 ` [RESEND PATCH v7 02/10] mm: Non-pmd-mappable, large folios for folio_add_new_anon_rmap() Ryan Roberts
2023-11-24 17:40   ` David Hildenbrand
2023-11-27 10:34     ` Ryan Roberts
2023-11-27  4:36   ` Barry Song
2023-11-27 11:30     ` Ryan Roberts
2023-11-22 16:29 ` [RESEND PATCH v7 03/10] mm: thp: Introduce per-size thp sysfs interface Ryan Roberts
2023-11-29  3:42   ` John Hubbard
2023-11-29  8:05     ` David Hildenbrand
2023-11-29 11:05     ` Ryan Roberts
2023-11-29 19:40       ` John Hubbard
2023-11-30 12:14         ` Ryan Roberts
2023-11-22 16:29 ` [RESEND PATCH v7 04/10] mm: thp: Support allocation of anonymous small-sized THP Ryan Roberts
2023-11-27  3:41   ` Barry Song
2023-11-27 11:28     ` Ryan Roberts
2023-11-22 16:29 ` [RESEND PATCH v7 05/10] selftests/mm/kugepaged: Restore thp settings at exit Ryan Roberts
2023-11-23  5:54   ` Alistair Popple
2023-11-22 16:29 ` [RESEND PATCH v7 06/10] selftests/mm: Factor out thp settings management Ryan Roberts
2023-11-23  6:07   ` Alistair Popple
2023-11-27 12:22     ` Ryan Roberts
2023-11-22 16:29 ` [RESEND PATCH v7 07/10] selftests/mm: Support small-sized THP interface in thp_settings Ryan Roberts
2023-11-22 16:29 ` [RESEND PATCH v7 08/10] selftests/mm/khugepaged: Enlighten for small-sized THP Ryan Roberts
2023-11-22 16:29 ` [RESEND PATCH v7 09/10] selftests/mm/cow: Generalize do_run_with_thp() helper Ryan Roberts
2023-11-24 17:48   ` David Hildenbrand
2023-11-27 10:48     ` Ryan Roberts
2023-11-27 13:59       ` David Hildenbrand
2023-11-27 14:11         ` Ryan Roberts
2023-11-27 14:17           ` David Hildenbrand
2023-11-22 16:29 ` [RESEND PATCH v7 10/10] selftests/mm/cow: Add tests for anonymous small-sized THP Ryan Roberts
2023-11-27 14:02   ` Ryan Roberts
2023-11-27 14:50     ` David Hildenbrand
2023-11-27 14:54       ` Ryan Roberts
2023-11-22 16:32 ` [RESEND PATCH v7 00/10] Small-sized THP for anonymous memory David Hildenbrand
2023-11-23  6:28 ` John Hubbard
2023-11-23 15:59 ` Matthew Wilcox
2023-11-23 16:05   ` David Hildenbrand
2023-11-23 16:18     ` Matthew Wilcox
2023-11-23 16:50       ` David Hildenbrand
2023-11-24  1:14         ` John Hubbard
2023-11-24  1:34         ` Zi Yan
2023-11-24  9:02           ` David Hildenbrand
2023-11-24  9:56   ` Ryan Roberts
2023-11-24 15:13     ` Matthew Wilcox
2023-11-24 15:23       ` Ryan Roberts
2023-11-24 15:25       ` David Hildenbrand
2023-11-24 15:53         ` Matthew Wilcox
2023-11-24 17:34           ` David Hildenbrand
2023-11-27  8:20             ` Alistair Popple
2023-11-27 10:31               ` Ryan Roberts
2023-11-28  2:09                 ` John Hubbard
2023-11-28  8:48                   ` David Hildenbrand [this message]
2023-11-28 12:15                     ` Ryan Roberts
2023-11-28 14:09                       ` David Hildenbrand
2023-11-28 15:34                         ` Ryan Roberts
2023-11-28 16:40                           ` David Hildenbrand
2023-11-28 18:39                           ` John Hubbard
2023-11-29  9:59                             ` Ryan Roberts
2023-11-29 19:46                               ` John Hubbard
2023-11-28  4:10               ` Matthew Wilcox
2023-11-28  4:05             ` Matthew Wilcox
2023-11-28  8:47               ` David Hildenbrand

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=afb92816-25ed-41c8-a48b-94fb2d885d8e@redhat.com \
    --to=david@redhat.com \
    --cc=akpm@linux-foundation.org \
    --cc=anshuman.khandual@arm.com \
    --cc=apopple@nvidia.com \
    --cc=catalin.marinas@arm.com \
    --cc=fengwei.yin@intel.com \
    --cc=hughd@google.com \
    --cc=itaru.kitayama@gmail.com \
    --cc=jhubbard@nvidia.com \
    --cc=kirill.shutemov@linux.intel.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=mcgrof@kernel.org \
    --cc=rientjes@google.com \
    --cc=ryan.roberts@arm.com \
    --cc=shy828301@gmail.com \
    --cc=vbabka@suse.cz \
    --cc=wangkefeng.wang@huawei.com \
    --cc=willy@infradead.org \
    --cc=ying.huang@intel.com \
    --cc=yuzhao@google.com \
    --cc=ziy@nvidia.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).