mirror of https://gitee.com/openkylin/linux.git
[PATCH] unify pfn_to_page: arm26 pfn_to_page
arm26 can use generic funcs. Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Ian Molton <spyro@f2s.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -81,8 +81,7 @@ static inline void *phys_to_virt(unsigned long x)
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* virt_to_page(k) convert a _valid_ virtual address to struct page *
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* virt_addr_valid(k) indicates whether a virtual address is valid
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*/
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#define page_to_pfn(page) (((page) - mem_map) + PHYS_PFN_OFFSET)
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#define pfn_to_page(pfn) ((mem_map + (pfn)) - PHYS_PFN_OFFSET)
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#define ARCH_PFN_OFFSET (PHYS_PFN_OFFSET)
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#define pfn_valid(pfn) ((pfn) >= PHYS_PFN_OFFSET && (pfn) < (PHYS_PFN_OFFSET + max_mapnr))
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#define virt_to_page(kaddr) (pfn_to_page(__pa(kaddr) >> PAGE_SHIFT))
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@ -98,4 +97,5 @@ static inline void *phys_to_virt(unsigned long x)
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*/
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#define page_to_bus(page) (page_address(page))
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#include <asm-generic/memory_model.h>
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#endif
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