nommu.c (44b56603c4c476b845a824cff6fe905c6268b2a1) nommu.c (be370302742ff9948f2a42b15cb2ba174d97b930)
1/*
2 * linux/arch/arm/mm/nommu.c
3 *
4 * ARM uCLinux supporting functions.
5 */
6#include <linux/module.h>
7#include <linux/mm.h>
8#include <linux/pagemap.h>

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13#include <asm/sections.h>
14#include <asm/page.h>
15#include <asm/setup.h>
16#include <asm/mach/arch.h>
17
18#include "mm.h"
19
20/*
1/*
2 * linux/arch/arm/mm/nommu.c
3 *
4 * ARM uCLinux supporting functions.
5 */
6#include <linux/module.h>
7#include <linux/mm.h>
8#include <linux/pagemap.h>

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13#include <asm/sections.h>
14#include <asm/page.h>
15#include <asm/setup.h>
16#include <asm/mach/arch.h>
17
18#include "mm.h"
19
20/*
21 * Reserve the various regions of node 0
21 * Reserve the various regions
22 */
22 */
23void __init reserve_node_zero(pg_data_t *pgdat)
23void __init reserve_special_regions(void)
24{
25 /*
26 * Register the kernel text and data with bootmem.
27 * Note that this can only be in node 0.
28 */
29#ifdef CONFIG_XIP_KERNEL
24{
25 /*
26 * Register the kernel text and data with bootmem.
27 * Note that this can only be in node 0.
28 */
29#ifdef CONFIG_XIP_KERNEL
30 reserve_bootmem_node(pgdat, __pa(_data), _end - _data,
31 BOOTMEM_DEFAULT);
30 reserve_bootmem(__pa(_data), _end - _data, BOOTMEM_DEFAULT);
32#else
31#else
33 reserve_bootmem_node(pgdat, __pa(_stext), _end - _stext,
34 BOOTMEM_DEFAULT);
32 reserve_bootmem(__pa(_stext), _end - _stext, BOOTMEM_DEFAULT);
35#endif
36
37 /*
38 * Register the exception vector page.
39 * some architectures which the DRAM is the exception vector to trap,
40 * alloc_page breaks with error, although it is not NULL, but "0."
41 */
33#endif
34
35 /*
36 * Register the exception vector page.
37 * some architectures which the DRAM is the exception vector to trap,
38 * alloc_page breaks with error, although it is not NULL, but "0."
39 */
42 reserve_bootmem_node(pgdat, CONFIG_VECTORS_BASE, PAGE_SIZE,
43 BOOTMEM_DEFAULT);
40 reserve_bootmem(CONFIG_VECTORS_BASE, PAGE_SIZE, BOOTMEM_DEFAULT);
44}
45
46/*
47 * paging_init() sets up the page tables, initialises the zone memory
48 * maps, and sets up the zero page, bad page and bad page tables.
49 */
50void __init paging_init(struct machine_desc *mdesc)
51{

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42
43/*
44 * paging_init() sets up the page tables, initialises the zone memory
45 * maps, and sets up the zero page, bad page and bad page tables.
46 */
47void __init paging_init(struct machine_desc *mdesc)
48{

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