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Commit 3d84683b authored by David Hildenbrand's avatar David Hildenbrand Committed by Christian Borntraeger
Browse files

s390: introduce page_to_virt() and pfn_to_virt() 



Acked-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Acked-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: default avatarDavid Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
parent 37d9df98

arch/s390/include/asm/page.h

+2 −0
Original line number Diff line number Diff line
@@ -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)