Commit 65fdc854 authored Feb 10, 2007 by Aneesh Kumar K.V Committed by Linus Torvalds Feb 11, 2007

[PATCH] Alpha: increase PERCPU_ENOUGH_ROOM



Module loading on Alpha was failing with error "Could not allocate 8 bytes
percpu data".

Looking at dmesg we have the below error "No per-cpu room for modules."

Increase the PERCPU_ENOUGH_ROOM in a similar way as x86_64

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@gmail.com>
Cc: <Jay.Estabrook@hp.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 6ff1b442

include/asm-alpha/percpu.h

+14 −0

Original line number	Diff line number	Diff line
		#ifndef __ALPHA_PERCPU_H
		#define __ALPHA_PERCPU_H

		/*
		* Increase the per cpu area for Alpha so that
		* modules using percpu area can load.
		*/
		#ifdef CONFIG_MODULES
		# define PERCPU_MODULE_RESERVE 8192
		#else
		# define PERCPU_MODULE_RESERVE 0
		#endif

		#define PERCPU_ENOUGH_ROOM \
		(ALIGN(__per_cpu_end - __per_cpu_start, SMP_CACHE_BYTES) + \
		PERCPU_MODULE_RESERVE)

		#include <asm-generic/percpu.h>

		#endif /* __ALPHA_PERCPU_H */

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