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authorHeiko Carstens <heiko.carstens@de.ibm.com>2008-04-30 13:38:44 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2008-04-30 13:38:46 +0200
commit8fc63658681f32e6e29f6d1138de933d7272e0ec (patch)
tree495f390750a52cf3739715d3045e178e36fb4bb8 /arch
parent484875b11f355b1b54d508a3f4671888f07e643c (diff)
downloadblackbird-op-linux-8fc63658681f32e6e29f6d1138de933d7272e0ec.tar.gz
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[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.c5
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;
}
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