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| author | Heiko Carstens | 2013-02-16 12:42:35 +0100 |
|---|---|---|
| committer | Martin Schwidefsky | 2013-02-28 09:37:06 +0100 |
| commit | 17ea345a474925ad0da2ad5a8791cd5443301667 (patch) | |
| tree | 5b9d0c659eed1d632016aaf2c13c765f13823a01 /arch | |
| parent | s390/page table dumper: add support for change-recording override bit (diff) | |
| download | kernel-qcow2-linux-17ea345a474925ad0da2ad5a8791cd5443301667.tar.gz kernel-qcow2-linux-17ea345a474925ad0da2ad5a8791cd5443301667.tar.xz kernel-qcow2-linux-17ea345a474925ad0da2ad5a8791cd5443301667.zip | |
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/s390/mm/vmem.c | 3 |
1 files changed, 2 insertions, 1 deletions
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; } |