File: fixmap.h

package info (click to toggle)
linux-2.6.24 2.6.24-6~etchnhalf.9etch3
  • links: PTS
  • area: main
  • in suites: etch
  • size: 317,768 kB
  • ctags: 974,658
  • sloc: ansic: 5,384,710; asm: 212,187; makefile: 14,202; perl: 7,066; cpp: 3,159; python: 2,833; yacc: 2,629; sh: 2,526; lex: 1,511; lisp: 218; awk: 96; pascal: 41
file content (23 lines) | stat: -rw-r--r-- 905 bytes parent folder | download | duplicates (5) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
#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