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Commit 65fdc854 authored by Aneesh Kumar K.V's avatar Aneesh Kumar K.V Committed by Linus Torvalds
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[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: default avatarAneesh 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: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus 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 */