Messages in this thread Patch in this message | | | Date | Mon, 06 Feb 2006 19:50:43 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | [RFC][PATCH] unify pfn_to_page [3/25] arm pfn_toPage/page_to_pfn |
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PFN_TO_NID()/ LOCAL_MAP_NR() is defined by each subarch.
arm can use generic funcs.
Signed-Off-By: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Index: cleanup_pfn_page/include/asm-arm/memory.h =================================================================== --- cleanup_pfn_page.orig/include/asm-arm/memory.h +++ cleanup_pfn_page/include/asm-arm/memory.h @@ -172,9 +172,7 @@ static inline __deprecated void *bus_to_ * virt_addr_valid(k) indicates whether a virtual address is valid */ #ifndef CONFIG_DISCONTIGMEM - -#define page_to_pfn(page) (((page) - mem_map) + PHYS_PFN_OFFSET) -#define pfn_to_page(pfn) ((mem_map + (pfn)) - PHYS_PFN_OFFSET) +#define ARCH_PFN_OFFSET (PHYS_PFN_OFFSET) #define pfn_valid(pfn) ((pfn) >= PHYS_PFN_OFFSET && (pfn) < (PHYS_PFN_OFFSET + max_mapnr))
#define virt_to_page(kaddr) (pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)) @@ -190,12 +188,8 @@ static inline __deprecated void *bus_to_ */ #include <linux/numa.h>
-#define page_to_pfn(page) \ - (( (page) - page_zone(page)->zone_mem_map) \ - + page_zone(page)->zone_start_pfn) - -#define pfn_to_page(pfn) \ - (PFN_TO_MAPBASE(pfn) + LOCAL_MAP_NR((pfn) << PAGE_SHIFT)) +#define arch_pfn_to_nid(pfn) (PFN_TO_NID(pfn)) +#define arch_local_map_nr(pfn, nid) (LOCAL_MAP_NR((pfn) << PAGE_SHIFT))
#define pfn_valid(pfn) \ ({ \ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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