From: "Stephen C. Tweedie" <sct@redhat.com>
To: Andrea Arcangeli <andrea@e-mind.com>
Cc: "Stephen C. Tweedie" <sct@redhat.com>,
linux-kernel@vger.rutgers.edu, linux-mm@kvack.org,
Linus Torvalds <torvalds@transmeta.com>
Subject: Re: PG_clean for shared mapping smart syncing
Date: Sat, 19 Dec 1998 17:10:05 GMT [thread overview]
Message-ID: <199812191710.RAA01252@dax.scot.redhat.com> (raw)
In-Reply-To: <Pine.LNX.3.96.981219173054.756A-100000@laser.bogus>
Hi,
On Sat, 19 Dec 1998 17:37:03 +0100 (CET), Andrea Arcangeli
<andrea@e-mind.com> said:
> Ah but I just found a problem... When we set the PG_clean flag on the page
> we should set the pte readonly for that page in all process vm and not
> only in the process running. But if we must play with the page table it's
> easier to directly set the page as clean as I was used to do with my
> previous update_shared_mappings() patch. So I think we could drop
> completly my last patch and return to my old code and solve the problem to
> handle the mmap_sem locking right...
Agreed, I much prefer the concept of being able to reliably keep the pte
dirty bits consistent between processes.
--Stephen
--
This is a majordomo managed list. To unsubscribe, send a message with
the body 'unsubscribe linux-mm me@address' to: majordomo@kvack.org
next prev parent reply other threads:[~1998-12-19 17:11 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
1998-12-19 16:04 Andrea Arcangeli
1998-12-19 16:17 ` Stephen C. Tweedie
1998-12-19 16:27 ` Andrea Arcangeli
1998-12-19 16:37 ` Andrea Arcangeli
1998-12-19 16:46 ` Andrea Arcangeli
1998-12-19 17:10 ` Stephen C. Tweedie [this message]
1998-12-19 16:23 ` Andrea Arcangeli
1998-12-19 16:36 ` Stephen C. Tweedie
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=199812191710.RAA01252@dax.scot.redhat.com \
--to=sct@redhat.com \
--cc=andrea@e-mind.com \
--cc=linux-kernel@vger.rutgers.edu \
--cc=linux-mm@kvack.org \
--cc=torvalds@transmeta.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