From: Linus Torvalds <torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
To: Wu Fengguang <fengguang.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: Ingo Molnar <mingo-X9Un+BFzKDI@public.gmane.org>,
"Rafael J. Wysocki" <rjw-KKrjLPT3xs0@public.gmane.org>,
Linux Kernel Mailing List
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Adrian Bunk <bunk-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Andrew Morton
<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
Natalie Protasevich
<protasnb-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Kernel Testers List
<kernel-testers-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Network Development
<netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Linux ACPI <linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Linux PM List
<linux-pm-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>,
Linux SCSI List
<linux-scsi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Nick Piggin <npiggin-l3A5Bk7waGM@public.gmane.org>,
Peter Zijlstra
<a.p.zijlstra-/NLkJaSkS4VmR6Xm/wNWPw@public.gmane.org>
Subject: Re: 2.6.29-rc8-git5: Reported regressions from 2.6.28
Date: Mon, 23 Mar 2009 09:23:47 -0700 (PDT) [thread overview]
Message-ID: <alpine.LFD.2.00.0903230922440.3030@localhost.localdomain> (raw)
In-Reply-To: <20090323005738.GB6003@localhost>
On Mon, 23 Mar 2009, Wu Fengguang wrote:
> >
> > I think this was tracked back to the effective halving of
> > dirty_ratio by 1cf6e7d83 ("mm: task dirty accounting fix") and
> > doubling the ratio fixed the iozone regression.
>
> Yes, exactly. The patch for fixing this regression is trivial.
I was planning on applying that patch only after 2.6.29 is out, and then
if there are no surprising side effects and nobody complains, we'd then
back-port it into stable.
Linus
prev parent reply other threads:[~2009-03-23 16:23 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-21 16:28 2.6.29-rc8-git5: Reported regressions from 2.6.28 Rafael J. Wysocki
2009-03-21 20:05 ` Ingo Molnar
2009-03-23 0:57 ` Wu Fengguang
2009-03-23 16:23 ` Linus Torvalds [this message]
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=alpine.LFD.2.00.0903230922440.3030@localhost.localdomain \
--to=torvalds-de/tnxtf+jlsfhdxvbkv3wd2fqjk+8+b@public.gmane.org \
--cc=a.p.zijlstra-/NLkJaSkS4VmR6Xm/wNWPw@public.gmane.org \
--cc=akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org \
--cc=bunk-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org \
--cc=fengguang.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org \
--cc=kernel-testers-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-pm-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org \
--cc=linux-scsi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=mingo-X9Un+BFzKDI@public.gmane.org \
--cc=netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=npiggin-l3A5Bk7waGM@public.gmane.org \
--cc=protasnb-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org \
--cc=rjw-KKrjLPT3xs0@public.gmane.org \
/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