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1/*
2 * Written by: Patricia Gaughen <gone@us.ibm.com>, IBM Corporation
3 * August 2002: added remote node KVA remap - Martin J. Bligh
4 *
5 * Copyright (C) 2002, IBM Corp.
6 *
7 * All rights reserved.
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
17 * NON INFRINGEMENT. See the GNU General Public License for more
18 * details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 */
24
25#include <linux/memblock.h>
26#include <linux/init.h>
27
28#include "numa_internal.h"
29
30extern unsigned long highend_pfn, highstart_pfn;
31
32void __init initmem_init(void)
33{
34 x86_numa_init();
35
36#ifdef CONFIG_HIGHMEM
37 highstart_pfn = highend_pfn = max_pfn;
38 if (max_pfn > max_low_pfn)
39 highstart_pfn = max_low_pfn;
40 printk(KERN_NOTICE "%ldMB HIGHMEM available.\n",
41 pages_to_mb(highend_pfn - highstart_pfn));
42 high_memory = (void *) __va(highstart_pfn * PAGE_SIZE - 1) + 1;
43#else
44 high_memory = (void *) __va(max_low_pfn * PAGE_SIZE - 1) + 1;
45#endif
46 printk(KERN_NOTICE "%ldMB LOWMEM available.\n",
47 pages_to_mb(max_low_pfn));
48 printk(KERN_DEBUG "max_low_pfn = %lx, highstart_pfn = %lx\n",
49 max_low_pfn, highstart_pfn);
50
51 printk(KERN_DEBUG "Low memory ends at vaddr %08lx\n",
52 (ulong) pfn_to_kaddr(max_low_pfn));
53
54 printk(KERN_DEBUG "High memory starts at vaddr %08lx\n",
55 (ulong) pfn_to_kaddr(highstart_pfn));
56
57 __vmalloc_start_set = true;
58 setup_bootmem_allocator();
59}
1/*
2 * Written by: Patricia Gaughen <gone@us.ibm.com>, IBM Corporation
3 * August 2002: added remote node KVA remap - Martin J. Bligh
4 *
5 * Copyright (C) 2002, IBM Corp.
6 *
7 * All rights reserved.
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
17 * NON INFRINGEMENT. See the GNU General Public License for more
18 * details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 */
24
25#include <linux/memblock.h>
26#include <linux/init.h>
27
28#include "numa_internal.h"
29
30extern unsigned long highend_pfn, highstart_pfn;
31
32void __init initmem_init(void)
33{
34 x86_numa_init();
35
36#ifdef CONFIG_HIGHMEM
37 highstart_pfn = highend_pfn = max_pfn;
38 if (max_pfn > max_low_pfn)
39 highstart_pfn = max_low_pfn;
40 printk(KERN_NOTICE "%ldMB HIGHMEM available.\n",
41 pages_to_mb(highend_pfn - highstart_pfn));
42 high_memory = (void *) __va(highstart_pfn * PAGE_SIZE - 1) + 1;
43#else
44 high_memory = (void *) __va(max_low_pfn * PAGE_SIZE - 1) + 1;
45#endif
46 printk(KERN_NOTICE "%ldMB LOWMEM available.\n",
47 pages_to_mb(max_low_pfn));
48 printk(KERN_DEBUG "max_low_pfn = %lx, highstart_pfn = %lx\n",
49 max_low_pfn, highstart_pfn);
50
51 printk(KERN_DEBUG "Low memory ends at vaddr %08lx\n",
52 (ulong) pfn_to_kaddr(max_low_pfn));
53
54 printk(KERN_DEBUG "High memory starts at vaddr %08lx\n",
55 (ulong) pfn_to_kaddr(highstart_pfn));
56
57 __vmalloc_start_set = true;
58 setup_bootmem_allocator();
59}