public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Oleg Drokin <green@namesys.com>
To: Andrew Morton <akpm@digeo.com>
Cc: Hans Reiser <reiser@namesys.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [BK][PATCH] ReiserFS CPU and memory bandwidth efficient large writes
Date: Sat, 14 Dec 2002 22:20:53 +0300	[thread overview]
Message-ID: <20021214222053.A10506@namesys.com> (raw)
In-Reply-To: <3DFB7B9E.FC404B6B@digeo.com>

Hello!

On Sat, Dec 14, 2002 at 10:42:38AM -0800, Andrew Morton wrote:
> > Find below the patch that address all the issues you've brought.
> > It is on top of previous one.
> > Do you think it is ok now?
> I addresses the things I noticed and raised, thanks.  Except for the
> stack-space use.  People are waving around 4k-stack patches, and we
> do need to be careful there.

Well, 450 bytes is way below 4k (~7 times less if we'd take task struct
into account) ;)
I can replace that on-stack array with kmalloc, but that probably
would be a lot of overhead for no benefit.
What do you think is safe stack usage limit for a function?
(and btw you have not even seen reiser4 stack usage ;) )

Bye,
    Oleg

  reply	other threads:[~2002-12-14 19:13 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-12-13 18:56 [BK][PATCH] ReiserFS CPU and memory bandwidth efficient large writes Hans Reiser
2002-12-13 21:40 ` Andrew Morton
2002-12-14  1:11   ` Hans Reiser
2002-12-14 11:44   ` Oleg Drokin
2002-12-14 18:27     ` Andrew Morton
2002-12-14 13:21   ` Oleg Drokin
2002-12-14 18:42     ` Andrew Morton
2002-12-14 19:20       ` Oleg Drokin [this message]
2002-12-14 20:10         ` Andrew Morton
2002-12-14 20:25           ` Oleg Drokin
2002-12-16 18:24             ` Chris Mason
2002-12-17 10:53               ` Oleg Drokin
2002-12-14 22:21           ` Hans Reiser

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=20021214222053.A10506@namesys.com \
    --to=green@namesys.com \
    --cc=akpm@digeo.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=reiser@namesys.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