linux-mm.kvack.org archive mirror
 help / color / mirror / Atom feed
From: Mina Almasry <almasrymina@google.com>
To: Peter Xu <peterx@redhat.com>
Cc: David Hildenbrand <david@redhat.com>,
	Matthew Wilcox <willy@infradead.org>,
	 "Paul E . McKenney" <paulmckrcu@fb.com>,
	Yu Zhao <yuzhao@google.com>, Jonathan Corbet <corbet@lwn.net>,
	 Andrew Morton <akpm@linux-foundation.org>,
	Ivan Teterevkov <ivan.teterevkov@nutanix.com>,
	 Florian Schmidt <florian.schmidt@nutanix.com>,
	linux-kernel@vger.kernel.org,  linux-fsdevel@vger.kernel.org,
	linux-mm@kvack.org
Subject: Re: [PATCH v4] mm: Add PM_HUGE_THP_MAPPING to /proc/pid/pagemap
Date: Wed, 10 Nov 2021 09:50:13 -0800	[thread overview]
Message-ID: <CAHS8izP9zJYfqmDouA1otnD-CsQtWJSta0KhOQq81qLSTOHB4Q@mail.gmail.com> (raw)
In-Reply-To: <YYtuqsnOSxA44AUX@t490s>

On Tue, Nov 9, 2021 at 11:03 PM Peter Xu <peterx@redhat.com> wrote:
>
> The ending "_MAPPING" seems redundant to me, how about just call it "PM_THP" or
> "PM_HUGE" (as THP also means HUGE already)?
>

So I want to make it clear that the flag is set only when the page is
PMD mappend and is a THP (not hugetlbfs or some other PMD device
mapping). PM_THP would imply the flag is set only if the underlying
page is THP without regard to whether it's actually PMD mapped or not.


  parent reply	other threads:[~2021-11-10 17:50 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-07 23:57 Mina Almasry
2021-11-10  7:03 ` Peter Xu
2021-11-10  8:14   ` David Hildenbrand
2021-11-10  8:27     ` Peter Xu
2021-11-10  8:30       ` David Hildenbrand
2021-11-10  8:57         ` Peter Xu
2021-11-10 10:24           ` David Hildenbrand
2021-11-10 17:42             ` Mina Almasry
2021-11-12  7:41               ` Peter Xu
2021-11-10 17:50   ` Mina Almasry [this message]
2021-11-12  7:43     ` Peter Xu
2021-11-15 22:50       ` Mina Almasry
2021-11-16  1:59         ` Peter Xu
2021-11-17 19:50           ` Mina Almasry
2021-11-18  0:35             ` Peter Xu

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=CAHS8izP9zJYfqmDouA1otnD-CsQtWJSta0KhOQq81qLSTOHB4Q@mail.gmail.com \
    --to=almasrymina@google.com \
    --cc=akpm@linux-foundation.org \
    --cc=corbet@lwn.net \
    --cc=david@redhat.com \
    --cc=florian.schmidt@nutanix.com \
    --cc=ivan.teterevkov@nutanix.com \
    --cc=linux-fsdevel@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=paulmckrcu@fb.com \
    --cc=peterx@redhat.com \
    --cc=willy@infradead.org \
    --cc=yuzhao@google.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