Re: Commit 34d76c41 causes linker errors on ia64 with NR_CPUS=4096

From: Tejun Heo
Date: Tue Oct 20 2009 - 02:11:45 EST


Jiri Kosina wrote:
> So how about something along the lines below? (completely untested as
> well)
>
> From: Jiri Kosina <jkosina@xxxxxxx>
> 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.

Thanks.

--
tejun
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/