提交 5a089006 编写于 作者: D David S. Miller

[SPARC64]: Mirror x86_64's PERCPU_ENOUGH_ROOM definition.

Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 9bc83dcf
......@@ -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++;
......
......@@ -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;
......
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