Message-ID: <40C79FE2.4040802@namesys.com>
Date: Wed, 09 Jun 2004 16:40:18 -0700
From: Hans Reiser <reiser@namesys.com>
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To: Dave Jones <davej@redhat.com>
CC: Chris Mason <mason@suse.com>,
       =?ISO-8859-1?Q?J=F6rn_Engel?= <joern@wohnheim.fh-wedel.de>,
       reiserfs-dev@namesys.com, linux-kernel@vger.kernel.org
Subject: Re: [STACK] >3k call path in reiserfs
References: <20040609122226.GE21168@wohnheim.fh-wedel.de> <1086784264.10973.236.camel@watt.suse.com> <1086800028.10973.258.camel@watt.suse.com> <40C74388.20301@namesys.com> <1086801345.10973.263.camel@watt.suse.com> <40C75141.7070408@namesys.com> <20040609182037.GA12771@redhat.com>
In-Reply-To: <20040609182037.GA12771@redhat.com>
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Dave Jones wrote:

>On Wed, Jun 09, 2004 at 11:04:49AM -0700, Hans Reiser wrote:
> > >>Can you give me some background on whether this is causing real problems 
> > >>for real users?
> > >
> > >Especially with the 4k stack option enabled, it will cause real problems
> > >for real users.  A better change would be to cut down on the size of the
> > >tree balance struct, but that would be more invasive.  For starters we
> > >might be able to switch from ints to shorts for some of the arrays.
> > >
> > >-chris
> > >
> > Can you tell me about the "4k stack option"?
>
>Arjan's original patch & announcement are at
>http://people.redhat.com/arjanv/4kstack.patch
>
>		Dave
>
>
>
>  
>
Forcing kernel developers to distort their coding to keep stack sizes 
small is not a good idea, as it makes the whole kernel harder to code 
for a not very compelling (for 99% of users, please argue with me if you 
think it is otherwise) benefit.

I do not think I favor disturbing V3's stability for the sake of the 4k 
stack option, but my mind is still open.
-
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