[SPARC64]: Define TASK_SIZE_OF()



This make "cat /proc/${PID}/pagemap" more efficient for
32-bit tasks.

Based upon a report by Mariusz Kozlowski.

Signed-off-by: David S. Miller <davem@davemloft.net>

parent f6a843d9

include/asm-sparc64/processor.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -37,6 +37,9 @@
		#endif

		#define TASK_SIZE ((unsigned long)-VPTE_SIZE)
		#define TASK_SIZE_OF(tsk) \
		(test_tsk_thread_flag(tsk,TIF_32BIT) ? \
		(1UL << 32UL) : TASK_SIZE)
		#ifdef __KERNEL__

		#define STACK_TOP32 ((1UL << 32UL) - PAGE_SIZE)