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Date: Sun, 28 Mar 2004 02:21:48 -0800
From: Andrew Morton <akpm@osdl.org>
To: <shai@ftcon.com>
Cc: ricklind@us.ibm.com, mbligh@aracnet.com, lse-tech@lists.sourceforge.net,
       erikj@subway.americas.sgi.com, efocht@hpce.nec.com, pj@sgi.com,
       xavier.bru@bull.net, linux-kernel@vger.kernel.org
Subject: Re: FW: [Lse-tech] Re: NUMA scheduler issue
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<shai@ftcon.com> wrote:
>
> Hi,
> 
> Very nice patch.
> Andrew, would you consider adding this one? 

Not really.

--- 2.6.0-test1-ia64-0/include/linux/sched.h	2003-07-14 05:30:40.000000000 +0200
 +++ 2.6.0-test1-ia64-na/include/linux/sched.h	2003-07-18 13:38:02.000000000 +0200
@@ -390,6 +390,9 @@
 	struct list_head posix_timers; /* POSIX.1b Interval Timers */
 	unsigned long utime, stime, cutime, cstime;
 	u64 start_time;
+#ifdef CONFIG_SMP
+	long per_cpu_utime[NR_CPUS], per_cpu_stime[NR_CPUS];
+#endif

On 512p 64-bit that's 8 kilobytes added to the task_struct.