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Date:	Tue, 20 Oct 2009 15:12:36 +0900
From:	Tejun Heo <>
To:	Jiri Kosina <>
CC:	Jeff Mahoney <>,
	Peter Zijlstra <>,
	Linux Kernel Mailing List <>,
	Tony Luck <>,
	Fenghua Yu <>,
Subject: Re: Commit 34d76c41 causes linker errors on ia64 with NR_CPUS=4096

Jiri Kosina wrote:
> So how about something along the lines below? (completely untested as 
> well)
> From: Jiri Kosina <>
> Subject: sched: move rq_weight data array out of .percpu
> Commit 34d76c41 introduced percpu array update_shares_data, size of which
> being proportional to NR_CPUS. Unfortunately this blows up ia64 for large
> NR_CPUS configuration, as ia64 allows only 64k for .percpu section.
> Fix this by allocating this array dynamically and keep only pointer to it
> percpu.

Looks good to me from percpu POV.


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