diff options
| author | David S. Miller <davem@davemloft.net> | 2008-03-26 20:32:33 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-03-26 20:32:33 -0400 |
| commit | c101b088ba0ed16d7109b2f3c2d16798d162a535 (patch) | |
| tree | 25eaea3719800dc039e5f31da937fb26b590037e /include/asm-sparc64 | |
| parent | f6a843d939ade435e060d580f5c56d958464f8a5 (diff) | |
[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>
Diffstat (limited to 'include/asm-sparc64')
| -rw-r--r-- | include/asm-sparc64/processor.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/asm-sparc64/processor.h b/include/asm-sparc64/processor.h index 8da484c19822..885b6a1dcae4 100644 --- a/include/asm-sparc64/processor.h +++ b/include/asm-sparc64/processor.h | |||
| @@ -37,6 +37,9 @@ | |||
| 37 | #endif | 37 | #endif |
| 38 | 38 | ||
| 39 | #define TASK_SIZE ((unsigned long)-VPTE_SIZE) | 39 | #define TASK_SIZE ((unsigned long)-VPTE_SIZE) |
| 40 | #define TASK_SIZE_OF(tsk) \ | ||
| 41 | (test_tsk_thread_flag(tsk,TIF_32BIT) ? \ | ||
| 42 | (1UL << 32UL) : TASK_SIZE) | ||
| 40 | #ifdef __KERNEL__ | 43 | #ifdef __KERNEL__ |
| 41 | 44 | ||
| 42 | #define STACK_TOP32 ((1UL << 32UL) - PAGE_SIZE) | 45 | #define STACK_TOP32 ((1UL << 32UL) - PAGE_SIZE) |