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[SPARC64]: Define TASK_SIZE_OF()

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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>
This commit is contained in:
David S. Miller 2008-03-26 17:32:33 -07:00
parent f6a843d939
commit c101b088ba
1 changed files with 3 additions and 0 deletions
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3
include/asm-sparc64/processor.h
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@ -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)