diff options
| author | Gerald Schaefer <geraldsc@de.ibm.com> | 2008-04-30 07:38:46 -0400 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-04-30 07:38:47 -0400 |
| commit | 53492b1de46a7576170e865062ffcfc93bb5650b (patch) | |
| tree | bee94e5b2e8c19c1a094a25023cb82572707feb4 /arch/s390/kernel/head64.S | |
| parent | 2e5061e40af88070984e3769eafb5a06022375fd (diff) | |
[S390] System z large page support.
This adds hugetlbfs support on System z, using both hardware large page
support if available and software large page emulation on older hardware.
Shared (large) page tables are implemented in software emulation mode,
by using page->index of the first tail page from a compound large page
to store page table information.
Signed-off-by: Gerald Schaefer <geraldsc@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/head64.S')
| -rw-r--r-- | arch/s390/kernel/head64.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S index 9c2c6f7d37e7..1d06961e87b3 100644 --- a/arch/s390/kernel/head64.S +++ b/arch/s390/kernel/head64.S | |||
| @@ -129,7 +129,7 @@ startup_continue: | |||
| 129 | # virtual and never return ... | 129 | # virtual and never return ... |
| 130 | .align 16 | 130 | .align 16 |
| 131 | .Lentry:.quad 0x0000000180000000,_stext | 131 | .Lentry:.quad 0x0000000180000000,_stext |
| 132 | .Lctl: .quad 0x04b50002 # cr0: various things | 132 | .Lctl: .quad 0x04350002 # cr0: various things |
| 133 | .quad 0 # cr1: primary space segment table | 133 | .quad 0 # cr1: primary space segment table |
| 134 | .quad .Lduct # cr2: dispatchable unit control table | 134 | .quad .Lduct # cr2: dispatchable unit control table |
| 135 | .quad 0 # cr3: instruction authorization | 135 | .quad 0 # cr3: instruction authorization |