/* Highmem related constants */ #ifndef _ASM_FIXMAP_H #define _ASM_FIXMAP_H #include enum fixed_addresses { FIX_HOLE, #ifdef CONFIG_HIGHMEM FIX_KMAP_BEGIN, FIX_KMAP_END = (KM_TYPE_NR * NR_CPUS), #endif __end_of_fixed_addresses }; /* Leave one empty page between IO pages at 0xfd000000 and * the top of the fixmap. */ #define FIXADDR_TOP (0xfcfff000UL) #define FIXADDR_SIZE ((FIX_KMAP_END + 1) << PAGE_SHIFT) #define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE) #define __fix_to_virt(x) (FIXADDR_TOP - ((x) << PAGE_SHIFT)) #endif