Commit 8fc63658 authored by Heiko Carstens's avatar Heiko Carstens Committed by Martin Schwidefsky
Browse files

[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: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarMartin 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;

}