Commit 8fc63658 authored Apr 30, 2008 by Heiko Carstens Committed by Martin Schwidefsky Apr 30, 2008

[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>

parent 484875b1

arch/s390/mm/vmem.c

+2 −3

Original line number	Diff line number	Diff line
		@@ -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;
		}