Commit 2e9996fc authored by Heiko Carstens's avatar Heiko Carstens Committed by Martin Schwidefsky
Browse files

s390/vmem: align segment and region tables to 16k 



Usually segment and region tables are 16k aligned due to the way the
buddy allocator works.  This is not true for the vmem code which only
asks for a 4k alignment. In order to be consistent enforce a 16k
alignment here as well.

This alignment will be assumed and therefore is required by the
pageattr code.

Signed-off-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Acked-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
Acked-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 4ccccc52

arch/s390/mm/vmem.c

+3 −1
Original line number Diff line number Diff line
@@ -29,9 +29,11 @@ static LIST_HEAD(mem_segs); 


static void __ref *vmem_alloc_pages(unsigned int order)

{

	unsigned long size = PAGE_SIZE << order;



	if (slab_is_available())

		return (void *)__get_free_pages(GFP_KERNEL, order);

	return alloc_bootmem_pages((1 << order) * PAGE_SIZE);

	return alloc_bootmem_align(size, size);

}



static inline pud_t *vmem_pud_alloc(void)