From: Heiko Carstens Date: Wed, 30 Apr 2008 11:38:44 +0000 (+0200) Subject: [S390] vmemmap: use clear_table to initialise page tables. X-Git-Tag: v2.6.26-rc1~107^2~6 X-Git-Url: http://ftp.safe.ca/?p=safe%2Fjmp%2Flinux-2.6;a=commitdiff_plain;h=8fc63658681f32e6e29f6d1138de933d7272e0ec [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 Signed-off-by: Martin Schwidefsky --- diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c index 35d90a4..3ffc021 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; }