From: "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com>
To: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: "Ian Rogers" <irogers@google.com>,
"Rik van Riel" <riel@redhat.com>,
linux-man <linux-man@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Linux-MM <linux-mm@kvack.org>,
"Linux API" <linux-api@vger.kernel.org>,
nilal@redhat.com, "Florian Weimer" <fweimer@redhat.com>,
"Colm MacCártaigh" <colm@allcosts.net>,
"Mike Kravetz" <mike.kravetz@oracle.com>
Subject: Re: [PATCH] proc.5: add "wf" to VmFlags in /proc/[pid]/smaps
Date: Mon, 25 May 2020 20:50:13 +0200 [thread overview]
Message-ID: <CAKgNAkg8OG1gCvZcaAMYmwpd-_MPMis4kGfDRgZGgp3o_MxUag@mail.gmail.com> (raw)
In-Reply-To: <20200525145906.e5xfzmj6hvl7t4fg@box>
On Mon, 25 May 2020 at 16:59, Kirill A. Shutemov <kirill@shutemov.name> wrote:
>
> On Mon, May 25, 2020 at 03:50:38PM +0200, Michael Kerrisk (man-pages) wrote:
> > On 5/22/20 1:13 AM, Ian Rogers wrote:
> > > On Thu, May 21, 2020 at 3:25 PM Ian Rogers <irogers@google.com> wrote:
> > >>
> > >> This patch documents a flag added in the following kernel commit:
> > >>
> > >> commit d2cd9ede6e193dd7d88b6d27399e96229a551b19
> > >> Author: Rik van Riel <riel@redhat.com>
> > >> Date: Wed Sep 6 16:25:15 2017 -0700
> > >>
> > >> mm,fork: introduce MADV_WIPEONFORK
> > >>
> > >> This was already documented in man2/madvise.2 in the commit:
> > >>
> > >> commit c0c4f6c29c494c466f3a2a6273c5b55b76a72927
> > >> Author: Rik van Riel <riel@redhat.com>
> > >> Date: Tue Sep 19 20:32:00 2017 +0200
> > >>
> > >> madvise.2: Document MADV_WIPEONFORK and MADV_KEEPONFORK
> > >>
> > >> Signed-off-by: Ian Rogers <irogers@google.com>
> > >
> > > Doing a quick audit of fs/proc/task_mmu.c having noticed this flag was
> > > missing I note:
> > > - "mp" isn't documented, only possible with INTEL_MPX
> > > - "nl" is documented but not present in show_smap_vma_flags
> > > - "um" and "uw" aren't documented
> >
> > I took a shot at fixing these:
> >
> >
> > mp - MPX-specific VMA (x86, since Linux 3.19)
>
> This one is gone. The patch to remove leftovers of MPX is linux-next.
Thanks, Kirill. I'll simply remove that entry.
Cheers,
Michael
--
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/
next prev parent reply other threads:[~2020-05-25 18:50 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-21 22:25 [PATCH] proc.5: add "wf" to VmFlags in /proc/[pid]/smaps Ian Rogers
2020-05-21 23:13 ` Ian Rogers
2020-05-25 13:50 ` Michael Kerrisk (man-pages)
2020-05-25 14:59 ` Kirill A. Shutemov
2020-05-25 18:50 ` Michael Kerrisk (man-pages) [this message]
2020-05-25 13:48 ` Michael Kerrisk (man-pages)
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