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authorDavid S. Miller <davem@davemloft.net>2008-03-26 17:32:33 -0700
committerDavid S. Miller <davem@davemloft.net>2008-03-26 17:32:33 -0700
commitc101b088ba0ed16d7109b2f3c2d16798d162a535 (patch)
tree25eaea3719800dc039e5f31da937fb26b590037e /include
parentf6a843d939ade435e060d580f5c56d958464f8a5 (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')
-rw-r--r--include/asm-sparc64/processor.h3
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 @@
#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)

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