korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-15 08:14:15 +08:00
Code Issues Packages Projects Releases Wiki Activity

[SPARC64]: Define TASK_SIZE_OF()

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
include/asm-sparc64/processor.h
View File

@ -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)