#ifndef _ASM_FIXMAP_H #define _ASM_FIXMAP_H /* * This file defines the locations of the fixed mappings on parisc. * * All of the values in this file are machine virtual addresses. * * All of the values in this file must be <4GB (because of assembly * loading restrictions). If you place this region anywhere above * __PAGE_OFFSET, you must adjust the memory map accordingly */ /* The alias region is used in kernel space to do copy/clear to or * from areas congruently mapped with user space. It is 8MB large * and must be 16MB aligned */ #define TMPALIAS_MAP_START ((__PAGE_OFFSET) - 16*1024*1024) /* This is the kernel area for all maps (vmalloc, dma etc.) most * usually, it extends up to TMPALIAS_MAP_START. Virtual addresses * 0..GATEWAY_PAGE_SIZE are reserved for the gateway page */ #define KERNEL_MAP_START (GATEWAY_PAGE_SIZE) #define KERNEL_MAP_END (TMPALIAS_MAP_START) #endif