Linux v2.6.15-rc6
[pohmelfs.git] / include / asm-parisc / fixmap.h
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1 #ifndef _ASM_FIXMAP_H
2 #define _ASM_FIXMAP_H
4 /*
5 * This file defines the locations of the fixed mappings on parisc.
7 * All of the values in this file are machine virtual addresses.
9 * All of the values in this file must be <4GB (because of assembly
10 * loading restrictions). If you place this region anywhere above
11 * __PAGE_OFFSET, you must adjust the memory map accordingly */
13 /* The alias region is used in kernel space to do copy/clear to or
14 * from areas congruently mapped with user space. It is 8MB large
15 * and must be 16MB aligned */
16 #define TMPALIAS_MAP_START ((__PAGE_OFFSET) - 16*1024*1024)
17 /* This is the kernel area for all maps (vmalloc, dma etc.) most
18 * usually, it extends up to TMPALIAS_MAP_START. Virtual addresses
19 * 0..GATEWAY_PAGE_SIZE are reserved for the gateway page */
20 #define KERNEL_MAP_START (GATEWAY_PAGE_SIZE)
21 #define KERNEL_MAP_END (TMPALIAS_MAP_START)
23 #endif