Commit 17ea345a authored Feb 16, 2013 by Heiko Carstens Committed by Martin Schwidefsky Feb 28, 2013

s390/mm: ignore change bit for vmemmap



Add hint to the page tables that we don't care about the change bit
in storage keys that belong to vmemmap pages.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

parent 1819ed1f

arch/s390/mm/vmem.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -236,7 +236,8 @@ int __meminit vmemmap_populate(struct page *start, unsigned long nr, int node)
		if (!new_page)
		goto out;
		pmd_val(*pm_dir) = __pa(new_page) \|
		_SEGMENT_ENTRY \| _SEGMENT_ENTRY_LARGE;
		_SEGMENT_ENTRY \| _SEGMENT_ENTRY_LARGE \|
		_SEGMENT_ENTRY_CO;
		address = (address + PMD_SIZE) & PMD_MASK;
		continue;
		}