diff options
| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-12-25 07:38:36 -0500 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-12-25 07:38:55 -0500 |
| commit | b020632e40c3ed5e8c0c066d022672907e8401cf (patch) | |
| tree | d7f805bd27e8378436fbba7e7457afbd10c22ed8 /arch/s390/include/asm/mmu.h | |
| parent | fc5243d98ac2575ad14a974b3c097e9ba874c03d (diff) | |
[S390] introduce vdso on s390
Add a vdso to speed up gettimeofday and clock_getres/clock_gettime for
CLOCK_REALTIME/CLOCK_MONOTONIC.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/mmu.h')
| -rw-r--r-- | arch/s390/include/asm/mmu.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/include/asm/mmu.h b/arch/s390/include/asm/mmu.h index d2b4ff831477..3b59216e6284 100644 --- a/arch/s390/include/asm/mmu.h +++ b/arch/s390/include/asm/mmu.h | |||
| @@ -6,6 +6,7 @@ typedef struct { | |||
| 6 | struct list_head pgtable_list; | 6 | struct list_head pgtable_list; |
| 7 | unsigned long asce_bits; | 7 | unsigned long asce_bits; |
| 8 | unsigned long asce_limit; | 8 | unsigned long asce_limit; |
| 9 | unsigned long vdso_base; | ||
| 9 | int noexec; | 10 | int noexec; |
| 10 | int has_pgste; /* The mmu context has extended page tables */ | 11 | int has_pgste; /* The mmu context has extended page tables */ |
| 11 | int alloc_pgste; /* cloned contexts will have extended page tables */ | 12 | int alloc_pgste; /* cloned contexts will have extended page tables */ |