From: yodaiken@fsmlabs.com
To: Dipankar Sarma <dipankar@in.ibm.com>
Cc: yodaiken@fsmlabs.com, Andrew Morton <akpm@digeo.com>,
Ravikiran G Thirumalai <kiran@in.ibm.com>,
linux-kernel@vger.kernel.org,
Rusty Russell <rusty@rustcorp.com.au>
Subject: Re: [patch] kmalloc_percpu -- 2 of 2
Date: Thu, 5 Dec 2002 08:08:54 -0700 [thread overview]
Message-ID: <20021205080854.A16009@hq.fsmlabs.com> (raw)
In-Reply-To: <20021205181153.C12588@in.ibm.com>; from dipankar@in.ibm.com on Thu, Dec 05, 2002 at 06:11:53PM +0530
On Thu, Dec 05, 2002 at 06:11:53PM +0530, Dipankar Sarma wrote:
> > Doesn't your allocator increase chances of cache conflict on the same
> > cpu ?
> >
>
> You mean by increasing the footprint and the chance of eviction ? It
> is a compromise. Or you would face NR_CPUS bloat and non-NUMA-node-local
> accesses for all CPUs outside the NUMA node where your NR_CPUS array
> is located.
What do you base the trade-off decision on?
>
> Thanks
> --
> Dipankar Sarma <dipankar@in.ibm.com> http://lse.sourceforge.net
> Linux Technology Center, IBM Software Lab, Bangalore, India.
> -
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--
---------------------------------------------------------
Victor Yodaiken
Finite State Machine Labs: The RTLinux Company.
www.fsmlabs.com www.rtlinux.com
1+ 505 838 9109
next prev parent reply other threads:[~2002-12-05 15:02 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-04 12:12 [patch] kmalloc_percpu -- 1 " Ravikiran G Thirumalai
2002-12-04 12:15 ` [patch] kmalloc_percpu -- 2 " Ravikiran G Thirumalai
2002-12-04 19:34 ` Andrew Morton
2002-12-05 3:42 ` Dipankar Sarma
2002-12-05 4:32 ` Andrew Morton
2002-12-05 4:47 ` William Lee Irwin III
2002-12-05 10:53 ` Dipankar Sarma
2002-12-05 11:23 ` yodaiken
2002-12-05 11:28 ` William Lee Irwin III
2002-12-05 12:41 ` Dipankar Sarma
2002-12-05 15:08 ` yodaiken [this message]
2002-12-05 20:02 ` Andrew Morton
2002-12-05 21:23 ` Dipankar Sarma
2002-12-05 22:15 ` Andrew Morton
2002-12-09 5:30 ` Ravikiran G Thirumalai
2002-12-09 5:57 ` Andrew Morton
2002-12-09 19:28 ` Andrew Morton
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