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From: Andrew Morton <akpm@linux-foundation.org>
To: NeilBrown <neilb@suse.de>
Cc: nfs@lists.sourceforge.net, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 004 of 4] knfsd: Provide sunrpc pool_mode module option
Date: Mon, 5 Mar 2007 20:57:57 -0800	[thread overview]
Message-ID: <20070305205757.2d5db738.akpm@linux-foundation.org> (raw)
In-Reply-To: <1070306021520.26937@suse.de>

On Tue, 6 Mar 2007 13:15:20 +1100 NeilBrown <neilb@suse.de> wrote:

> Provide a module param "pool_mode" for sunrpc.ko which allows a
> sysadmin to choose the mode for mapping NFS thread service pools
> to CPUs.  Values are:
> 
> auto	    choose a mapping mode heuristically
> global	    (default, same as the pre-2.6.19 code) a single global pool
> percpu	    one pool per CPU
> pernode	    one pool per NUMA node
> 
> Note that since 2.6.19 the hardcoded behaviour has been "auto",
> this patch makes the default "global".
> 
> The pool mode can be changed after boot/modprobe using /sys, if the
> NFS and lockd services have been shut down.  A useful side effect of
> this change is to fix a small memory leak when unloading the module.

Mutter.  Is this really suitable and needed for 2.6.21 at this stage in
its life?

  reply	other threads:[~2007-03-06  4:57 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-06  2:15 [PATCH 000 of 4] knfsd: revised patches to fix IPv6/sunrpc link error and other fixes NeilBrown
2007-03-06  2:15 ` [PATCH 001 of 4] knfsd: Use recv_msg to get peer address for NFSD instead of code-copying NeilBrown
2007-03-06  2:15 ` [PATCH 002 of 4] knfsd: Remove CONFIG_IPV6 ifdefs from sunrpc server code NeilBrown
2007-03-06  2:15 ` [PATCH 003 of 4] knfsd: Fix recently introduced problem with shutting down a busy NFS server NeilBrown
2007-03-06  2:15 ` [PATCH 004 of 4] knfsd: Provide sunrpc pool_mode module option NeilBrown
2007-03-06  4:57   ` Andrew Morton [this message]
2007-03-06  5:11     ` Neil Brown

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