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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2008-04-30 13:38:44 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-04-30 13:38:46 +0200 |
| commit | 8fc63658681f32e6e29f6d1138de933d7272e0ec (patch) | |
| tree | 495f390750a52cf3739715d3045e178e36fb4bb8 /arch | |
| parent | 484875b11f355b1b54d508a3f4671888f07e643c (diff) | |
| download | blackbird-op-linux-8fc63658681f32e6e29f6d1138de933d7272e0ec.tar.gz blackbird-op-linux-8fc63658681f32e6e29f6d1138de933d7272e0ec.zip | |
[S390] vmemmap: use clear_table to initialise page tables.
Always use clear_table to initialise page tables. The overlapping
memcpy is just a leftover of a previous version that wasn't fully
converted to clear_table.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/s390/mm/vmem.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c index 35d90a4720fd..3ffc0211dc85 100644 --- a/arch/s390/mm/vmem.c +++ b/arch/s390/mm/vmem.c @@ -77,8 +77,7 @@ static inline pud_t *vmem_pud_alloc(void) pud = vmem_alloc_pages(2); if (!pud) return NULL; - pud_val(*pud) = _REGION3_ENTRY_EMPTY; - memcpy(pud + 1, pud, (PTRS_PER_PUD - 1)*sizeof(pud_t)); + clear_table((unsigned long *) pud, _REGION3_ENTRY_EMPTY, PAGE_SIZE * 4); #endif return pud; } @@ -91,7 +90,7 @@ static inline pmd_t *vmem_pmd_alloc(void) pmd = vmem_alloc_pages(2); if (!pmd) return NULL; - clear_table((unsigned long *) pmd, _SEGMENT_ENTRY_EMPTY, PAGE_SIZE*4); + clear_table((unsigned long *) pmd, _SEGMENT_ENTRY_EMPTY, PAGE_SIZE * 4); #endif return pmd; } |
