From: Jeff Garzik <jgarzik@pobox.com>
To: Steve Dickson <SteveD@redhat.com>
Cc: nfs@lists.sourceforge.net, linux-kernel@vger.kernel.org,
trond.myklebust@fys.uio.no
Subject: Re: [PATCH v2] reduce NFS stack usage
Date: Thu, 25 Sep 2003 20:07:22 -0400 [thread overview]
Message-ID: <3F73833A.2000909@pobox.com> (raw)
In-Reply-To: <3F7335B4.1070002@RedHat.com>
Steve Dickson wrote:
> Hey Jeff,
>
> Question:
> Why are only nfs_lookup_revalidate() and nfs_readdir()
> a problem and not the other 4 ops (like nfs_lookup())?
> Is the case only those two showed up in the stack overflow
> oops trace?
You guessed it... I'm sure other routines are problematic, but those
were two that showed up in traces.
> Also, not like there much choice in matter, but I wonder what
> type of performance hit (if any) there will be by making
> these routines call kmalloc()... lookups and readdirs are
> pretty popular ops...
Sure. I wasn't suggesting by any means my patch is the ultimate
solution :) Creating a slab cache would be easy enough...
Jeff
next prev parent reply other threads:[~2003-09-26 0:07 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <mailman.1064420466.30286.linux-kernel2news@redhat.com>
[not found] ` <3F7335B4.1070002@RedHat.com>
2003-09-25 19:37 ` [NFS] Re: [PATCH v2] reduce NFS stack usage Trond Myklebust
2003-09-30 1:55 ` Steve Dickson
2003-09-30 15:31 ` UPDATED: " Steve Dickson
2003-09-26 0:07 ` Jeff Garzik [this message]
2003-09-24 16:16 Jeff Garzik
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