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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-10 04:01:47 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-10 04:01:47 +0100 |
| commit | 67dd2f5a669f48e48ea1013fb80522adca8287f4 (patch) | |
| tree | eee4e7f15df90f899211cde0a669d661085de05d /arch/s390/mm/vmem.c | |
| parent | Doc: use misc-devices/ dir for drivers (diff) | |
| parent | [S390] 3215/3270 console: remove wrong comment (diff) | |
| download | linux-67dd2f5a669f48e48ea1013fb80522adca8287f4.tar.xz linux-67dd2f5a669f48e48ea1013fb80522adca8287f4.zip | |
Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: (72 commits)
[S390] 3215/3270 console: remove wrong comment
[S390] dasd: remove BKL from extended error reporting code
[S390] vmlogrdr: remove BKL
[S390] vmur: remove BKL
[S390] zcrypt: remove BKL
[S390] 3270: remove BKL
[S390] vmwatchdog: remove lock_kernel() from open() function
[S390] monwriter: remove lock_kernel() from open() function
[S390] monreader: remove lock_kernel() from open() function
[S390] s390: remove unused nfsd #includes
[S390] ftrace: build ftrace.o when CONFIG_FTRACE_SYSCALLS is set for s390
[S390] etr/stp: put correct per cpu variable
[S390] tty3270: move keyboard compat ioctls
[S390] sclp: improve servicability setting
[S390] s390: use change recording override for kernel mapping
[S390] MAINTAINERS: Add s390 drivers block
[S390] use generic sockios.h header file
[S390] use generic termbits.h header file
[S390] smp: remove unused typedef and defines
[S390] cmm: free pages on hibernate.
...
Diffstat (limited to 'arch/s390/mm/vmem.c')
| -rw-r--r-- | arch/s390/mm/vmem.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c index 5f91a38d7592..300ab012b0fd 100644 --- a/arch/s390/mm/vmem.c +++ b/arch/s390/mm/vmem.c @@ -70,8 +70,12 @@ static pte_t __ref *vmem_pte_alloc(void) pte = alloc_bootmem(PTRS_PER_PTE * sizeof(pte_t)); if (!pte) return NULL; - clear_table((unsigned long *) pte, _PAGE_TYPE_EMPTY, - PTRS_PER_PTE * sizeof(pte_t)); + if (MACHINE_HAS_HPAGE) + clear_table((unsigned long *) pte, _PAGE_TYPE_EMPTY | _PAGE_CO, + PTRS_PER_PTE * sizeof(pte_t)); + else + clear_table((unsigned long *) pte, _PAGE_TYPE_EMPTY, + PTRS_PER_PTE * sizeof(pte_t)); return pte; } @@ -112,7 +116,8 @@ static int vmem_add_mem(unsigned long start, unsigned long size, int ro) if (MACHINE_HAS_HPAGE && !(address & ~HPAGE_MASK) && (address + HPAGE_SIZE <= start + size) && (address >= HPAGE_SIZE)) { - pte_val(pte) |= _SEGMENT_ENTRY_LARGE; + pte_val(pte) |= _SEGMENT_ENTRY_LARGE | + _SEGMENT_ENTRY_CO; pmd_val(*pm_dir) = pte_val(pte); address += HPAGE_SIZE - PAGE_SIZE; continue; |