From 17ea345a474925ad0da2ad5a8791cd5443301667 Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Sat, 16 Feb 2013 12:42:35 +0100 Subject: [PATCH] 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 Signed-off-by: Martin Schwidefsky --- arch/s390/mm/vmem.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c index e21aaf4f5cb6..ffab84db6907 100644 --- a/arch/s390/mm/vmem.c +++ b/arch/s390/mm/vmem.c @@ -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; } -- 2.20.1