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Date: Wed, 13 Dec 2006 09:15:38 +0530 From: "Aneesh Kumar K.V" <aneesh.kumar@...il.com> To: Jay.Estabrook@...com, akpm@...l.org Cc: linux-kernel@...r.kernel.org Subject: [PATCH] Alpha increase PERCPU_ENOUGH_ROOM Sending it again marking Jay Estabrook -aneesh 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@...il.com> --- include/asm-alpha/percpu.h | 14 ++++++++++++++ 1 files changed, 14 insertions(+), 0 deletions(-) diff --git a/include/asm-alpha/percpu.h b/include/asm-alpha/percpu.h index 48348fe..651ebb1 100644 --- a/include/asm-alpha/percpu.h +++ b/include/asm-alpha/percpu.h @@ -1,6 +1,20 @@ #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 */ -- 1.4.4.2.gdb98-dirty - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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