linux-api.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Mike Christie <mchristi@redhat.com>
To: "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com>,
	linux-api@vger.kernel.org, david@fromorbit.com, mhocko@suse.com,
	masato.suzuki@wdc.com, damien.lemoal@wdc.com,
	darrick.wong@oracle.com, bvanassche@acm.org,
	linux-man@vger.kernel.org
Subject: Re: [PATCH] prctl.2: doc PR_SET/GET_IO_FLUSHER - V4
Date: Sat, 4 Apr 2020 16:07:31 -0500	[thread overview]
Message-ID: <5E88F713.3050204@redhat.com> (raw)
In-Reply-To: <111926f0-942c-66ea-4e43-9f90e7b43549@gmail.com>

On 04/02/2020 07:16 AM, Michael Kerrisk (man-pages) wrote:
> Hello Mike,
> 
> On 4/2/20 4:08 AM, Mike Christie wrote:
>> This patch documents the PR_SET_IO_FLUSHER and PR_GET_IO_FLUSHER
>> prctl commands added to the linux kernel for 5.6 in commit:
>>
>> commit 8d19f1c8e1937baf74e1962aae9f90fa3aeab463
>> Author: Mike Christie <mchristi@redhat.com>
>> Date:   Mon Nov 11 18:19:00 2019 -0600> 
>>     prctl: PR_{G,S}ET_IO_FLUSHER to support controlling memory reclaim
>>
>> Signed-off-by: Mike Christie <mchristi@redhat.com>
> 
> I've applied this patch, but I have some questions:

Hey,

Thanks for fixing up the patch for me.

> 
> (a) What happens to the IO_FLUSHER setting in the child of fork(2)?

The child will inherit the setting.

> (b) What happens to the IO_FLUSHER setting during an execve(2)?
>     (Is it preserved, reset, something else?)

It's preserved.


  reply	other threads:[~2020-04-04 21:07 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-02  2:08 [PATCH] prctl.2: doc PR_SET/GET_IO_FLUSHER - V4 Mike Christie
2020-04-02  3:46 ` Bart Van Assche
2020-04-02 12:16   ` Michael Kerrisk (man-pages)
2020-04-02 14:01   ` Michael Christie
2020-04-02 20:12     ` Michael Kerrisk (man-pages)
2020-04-02  6:47 ` Michal Hocko
2020-04-02 12:16   ` Michael Kerrisk (man-pages)
2020-04-02 12:16 ` Michael Kerrisk (man-pages)
2020-04-04 21:07   ` Mike Christie [this message]
2020-04-06 11:00     ` Michael Kerrisk (man-pages)

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=5E88F713.3050204@redhat.com \
    --to=mchristi@redhat.com \
    --cc=bvanassche@acm.org \
    --cc=damien.lemoal@wdc.com \
    --cc=darrick.wong@oracle.com \
    --cc=david@fromorbit.com \
    --cc=linux-api@vger.kernel.org \
    --cc=linux-man@vger.kernel.org \
    --cc=masato.suzuki@wdc.com \
    --cc=mhocko@suse.com \
    --cc=mtk.manpages@gmail.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).