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| author | David S. Miller <davem@sunset.davemloft.net> | 2006-12-14 23:40:57 -0800 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-12-17 14:06:59 -0800 |
| commit | 5a089006bf8b59f6610de11a857854d8f8730658 (patch) | |
| tree | 24c0aeec426d6baa9cbfc2433c77e9892aacec55 | |
| parent | 9bc83dcff8fab1f22048c8f82deb3198ec44d53f (diff) | |
| download | linux-5a089006bf8b59f6610de11a857854d8f8730658.tar.gz | |
[SPARC64]: Mirror x86_64's PERCPU_ENOUGH_ROOM definition.
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | arch/sparc64/kernel/smp.c | 7 | ||||
| -rw-r--r-- | include/asm-sparc64/percpu.h | 10 |
2 files changed, 12 insertions, 5 deletions
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c index cc09d8266414..0a4958536bcd 100644 --- a/arch/sparc64/kernel/smp.c +++ b/arch/sparc64/kernel/smp.c @@ -1447,11 +1447,8 @@ void __init setup_per_cpu_areas(void) char *ptr; /* Copy section for each CPU (we discard the original) */ - goal = ALIGN(__per_cpu_end - __per_cpu_start, SMP_CACHE_BYTES); -#ifdef CONFIG_MODULES - if (goal < PERCPU_ENOUGH_ROOM) - goal = PERCPU_ENOUGH_ROOM; -#endif + goal = PERCPU_ENOUGH_ROOM; + __per_cpu_shift = 0; for (size = 1UL; size < goal; size <<= 1UL) __per_cpu_shift++; diff --git a/include/asm-sparc64/percpu.h b/include/asm-sparc64/percpu.h index ced8cbde046d..0d3df76aa47f 100644 --- a/include/asm-sparc64/percpu.h +++ b/include/asm-sparc64/percpu.h @@ -5,6 +5,16 @@ #ifdef CONFIG_SMP +#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) + extern void setup_per_cpu_areas(void); extern unsigned long __per_cpu_base; |