From: Miklos Szeredi <miklos@szeredi.hu>
To: a.p.zijlstra@chello.nl
Cc: akpm@linux-foundation.org, wfg@mail.ustc.edu.cn,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] remove throttle_vm_writeout()
Date: Fri, 05 Oct 2007 12:32:08 +0200 [thread overview]
Message-ID: <E1IdkTY-0002tc-00@dorka.pomaz.szeredi.hu> (raw)
In-Reply-To: <E1IdkOf-0002tK-00@dorka.pomaz.szeredi.hu> (message from Miklos Szeredi on Fri, 05 Oct 2007 12:27:05 +0200)
> I think that's an improvement in all respects.
>
> However it still does not generally address the deadlock scenario: if
> there's a small DMA zone, and fuse manages to put all of those pages
> under writeout, then there's trouble.
And the only way to solve that AFAICS, is to make sure fuse never uses
more than e.g. 50% of _any_ zone for page cache. And that may need
some tweaking in the allocator...
Miklos
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2007-10-05 10:32 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-04 12:25 Miklos Szeredi
2007-10-04 12:40 ` Peter Zijlstra
2007-10-04 13:00 ` Miklos Szeredi
2007-10-04 13:23 ` Peter Zijlstra
2007-10-04 13:49 ` Miklos Szeredi
2007-10-04 16:47 ` Peter Zijlstra
2007-10-04 17:46 ` Andrew Morton
2007-10-04 18:10 ` Peter Zijlstra
2007-10-04 18:54 ` Andrew Morton
[not found] ` <20071005123028.GA10372@mail.ustc.edu.cn>
2007-10-05 12:30 ` Fengguang Wu
2007-10-05 17:20 ` Andrew Morton
[not found] ` <20071006023224.GA7526@mail.ustc.edu.cn>
2007-10-06 2:32 ` Fengguang Wu
2007-10-07 23:54 ` David Chinner
[not found] ` <20071008003349.GA5455@mail.ustc.edu.cn>
2007-10-08 0:33 ` Fengguang Wu
2007-10-04 21:07 ` Miklos Szeredi
2007-10-04 21:56 ` Andrew Morton
2007-10-04 22:39 ` Miklos Szeredi
2007-10-04 23:09 ` Andrew Morton
2007-10-04 23:26 ` Miklos Szeredi
2007-10-04 23:48 ` Andrew Morton
2007-10-05 0:12 ` Miklos Szeredi
2007-10-05 0:48 ` Andrew Morton
2007-10-05 8:22 ` Peter Zijlstra
2007-10-05 9:22 ` Miklos Szeredi
2007-10-05 9:47 ` Peter Zijlstra
2007-10-05 10:27 ` Miklos Szeredi
2007-10-05 10:32 ` Miklos Szeredi [this message]
2007-10-05 15:43 ` John Stoffel
2007-10-05 10:57 ` Peter Zijlstra
2007-10-05 11:27 ` Miklos Szeredi
2007-10-05 17:50 ` Trond Myklebust
2007-10-05 18:32 ` Peter Zijlstra
2007-10-05 19:20 ` Trond Myklebust
2007-10-05 19:23 ` Trond Myklebust
2007-10-05 21:07 ` Peter Zijlstra
[not found] ` <20071006004028.GA7121@mail.ustc.edu.cn>
2007-10-06 0:40 ` Fengguang Wu
2007-10-05 7:32 ` Peter Zijlstra
2007-10-05 19:54 ` Rik van Riel
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=E1IdkTY-0002tc-00@dorka.pomaz.szeredi.hu \
--to=miklos@szeredi.hu \
--cc=a.p.zijlstra@chello.nl \
--cc=akpm@linux-foundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=wfg@mail.ustc.edu.cn \
/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