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Commit 5a089006 authored by David S. Miller's avatar David S. Miller
Browse files

[SPARC64]: Mirror x86_64's PERCPU_ENOUGH_ROOM definition. 



Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 9bc83dcf

arch/sparc64/kernel/smp.c

+2 −5
Original line number Diff line number Diff line
@@ -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



	__per_cpu_shift = 0;

	for (size = 1UL; size < goal; size <<= 1UL)

		__per_cpu_shift++;

include/asm-sparc64/percpu.h

+10 −0
Original line number Diff line number Diff line
@@ -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;