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author | David Hildenbrand <dahi@linux.vnet.ibm.com> | 2015-11-16 10:45:03 +0100 |
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committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2016-06-20 09:55:32 +0200 |
commit | 3d84683bd737e397ae200e881a3230e469c59ad6 (patch) | |
tree | 80c156117fb75ad8293ec54d94b9a86702ad2de4 /arch/s390 | |
parent | KVM: s390: backup the currently enabled gmap when scheduled out (diff) | |
download | linux-3d84683bd737e397ae200e881a3230e469c59ad6.tar.xz linux-3d84683bd737e397ae200e881a3230e469c59ad6.zip |
s390: introduce page_to_virt() and pfn_to_virt()
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'arch/s390')
-rw-r--r-- | arch/s390/include/asm/page.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/include/asm/page.h b/arch/s390/include/asm/page.h index f874e7d51c19..b5edff32e547 100644 --- a/arch/s390/include/asm/page.h +++ b/arch/s390/include/asm/page.h @@ -147,6 +147,8 @@ static inline int devmem_is_allowed(unsigned long pfn) #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) #define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT) #define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT) +#define pfn_to_virt(pfn) __va((pfn) << PAGE_SHIFT) +#define page_to_virt(page) pfn_to_virt(page_to_pfn(page)) #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | \ VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) |