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On Mon, Mar 06, 2006 at 11:06:39PM -0800, Andrew Morton wrote: > Dipankar Sarma <dipankar@in.ibm.com> wrote: > > > > > I think we should seriously consider these patches for 2.6.16 > > > > Isn't it a little too late in the 2.6.16 cycle ? I would have > > liked a little more time in -mm. Anyway, it is Linus' call. > > I can refresh the patches and submit against latest mainline > > if Linus and Andrew want. > > I'd view a 2.6.16 merge as relatively low-risk. My main concern would be > possible breakage of those whacky route-cache workloads. Yes, I was hoping that more time in -mm would bring out those whacky corner case OOM/latency problems. Anyway, here is the kernel paramenter documentation patch. I am not sure if I got the restrictions in square bracket right. Thanks Dipankar Update kernel paramenters documentation for new RCU tuning paramenters. Signed-off-by: Dipankar Sarma <dipankar@in.ibm.com> --- Documentation/kernel-parameters.txt | 13 +++++++++++++ 1 files changed, 13 insertions(+) diff -puN Documentation/kernel-parameters.txt~rcu-tuning-parm-doc Documentation/kernel-parameters.txt --- linux-2.6.16-rc3-rcu/Documentation/kernel-parameters.txt~rcu-tuning-parm-doc 2006-03-07 17:23:52.000000000 +0530 +++ linux-2.6.16-rc3-rcu-dipankar/Documentation/kernel-parameters.txt 2006-03-07 17:33:59.000000000 +0530 @@ -1280,6 +1280,19 @@ running once the system is up. New name for the ramdisk parameter. See Documentation/ramdisk.txt. + rcu.blimit= [KNL,BOOT] Set maximum number of finished + RCU callbacks to process in one batch. + + rcu.qhimark= [KNL,BOOT] Set threshold of queued + RCU callbacks over which batch limiting is disabled. + + rcu.qlowmark= [KNL,BOOT] Set threshold of queued + RCU callbacks below which batch limiting is re-enabled. + + rcu.rsinterval= [KNL,BOOT,SMP] Set the number of additional + RCU callbacks to queued before forcing reschedule + on all cpus. + rdinit= [KNL] Format: <full_path> Run specified binary instead of /init from the ramdisk, _ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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