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authorDavid S. Miller <davem@sunset.davemloft.net>2006-12-14 23:40:57 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2006-12-17 14:06:59 -0800
commit5a089006bf8b59f6610de11a857854d8f8730658 (patch)
tree24c0aeec426d6baa9cbfc2433c77e9892aacec55
parent9bc83dcff8fab1f22048c8f82deb3198ec44d53f (diff)
[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.c7
-rw-r--r--include/asm-sparc64/percpu.h10
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;