linux-mm.kvack.org archive mirror
 help / color / mirror / Atom feed
From: Markus Elfring <Markus.Elfring@web.de>
To: Muchun Song <songmuchun@bytedance.com>,
	Xiongchun Duan <duanxiongchun@bytedance.com>,
	linux-mm@kvack.org
Cc: linux-kernel@vger.kernel.org, Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [v2] mm/ksm: Fix NULL pointer dereference when KSM zero page is enabled
Date: Tue, 14 Apr 2020 16:17:45 +0200	[thread overview]
Message-ID: <36a7d091-440b-a3db-c93f-713fc7cfbb5c@web.de> (raw)
In-Reply-To: <CAMZfGtVpMK38odpd3Ady_xW0hyMpN89Vwo_WNXBZz0yGaZzFQg@mail.gmail.com>

>>> to crash when we access vma->vm_mm(its offset is 0x40) later in
>>
>> Will another fine-tuning become relevant also for this wording?
>
> Sorry, I don't understand what this means because of my poor English.

Our language knowledge can evolve over time.


> Could you explain it again.

You integrated a few of my suggestions into your message selection. - Thanks.
I wonder why you did not like the following small adjustment possibilities
so far.

  to a crash … vm_mm (its …


>> Will any other tags become helpful in such a case?
>
> How about changing
>     "following calltrace is captured in kernel 4.19 with KSM zero page"
> to
>    "The following calltrace is captured with the following patch applied:
>        e86c59b1b12d ("mm/ksm: improve deduplication of zero pages with
> colouring")
>     "
> ?

I find it unlikely that such a wording alternative would be more appropriate
while I became just curious for related development consequences around
the usage of a longterm kernel version.

Would you like to reuse the term “call trace”?

Regards,
Markus


  reply	other threads:[~2020-04-14 14:17 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-14  7:56 [PATCH v2] mm/ksm: Fix NULL pointer dereference when KSM zero page is enabled Muchun Song
2020-04-14  9:17 ` Markus Elfring
2020-04-14  9:56   ` [External] " Muchun Song
2020-04-14 14:17     ` Markus Elfring [this message]
2020-04-14 14:39       ` [External] Re: [v2] " Muchun Song

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=36a7d091-440b-a3db-c93f-713fc7cfbb5c@web.de \
    --to=markus.elfring@web.de \
    --cc=akpm@linux-foundation.org \
    --cc=duanxiongchun@bytedance.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=songmuchun@bytedance.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).