| 1 | /* |
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| 2 | * Written by: Patricia Gaughen <gone@us.ibm.com>, IBM Corporation |
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| 3 | * August 2002: added remote node KVA remap - Martin J. Bligh |
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| 4 | * |
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| 5 | * Copyright (C) 2002, IBM Corp. |
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| 6 | * |
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| 7 | * All rights reserved. |
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| 8 | * |
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| 9 | * This program is free software; you can redistribute it and/or modify |
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| 10 | * it under the terms of the GNU General Public License as published by |
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| 11 | * the Free Software Foundation; either version 2 of the License, or |
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| 12 | * (at your option) any later version. |
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| 13 | * |
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| 14 | * This program is distributed in the hope that it will be useful, but |
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| 15 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or |
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| 17 | * NON INFRINGEMENT. See the GNU General Public License for more |
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| 18 | * details. |
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| 19 | * |
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| 20 | * You should have received a copy of the GNU General Public License |
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| 21 | * along with this program; if not, write to the Free Software |
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| 22 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 23 | */ |
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| 24 | |
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| 25 | #include <linux/memblock.h> |
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| 26 | #include <linux/init.h> |
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| 27 | |
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| 28 | #include "numa_internal.h" |
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| 29 | |
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| 30 | extern unsigned long highend_pfn, highstart_pfn; |
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| 31 | |
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| 32 | void __init initmem_init(void) |
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| 33 | { |
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| 34 | x86_numa_init(); |
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| 35 | |
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| 36 | #ifdef CONFIG_HIGHMEM |
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| 37 | highstart_pfn = highend_pfn = max_pfn; |
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| 38 | if (max_pfn > max_low_pfn) |
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| 39 | highstart_pfn = max_low_pfn; |
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| 40 | printk(KERN_NOTICE "%ldMB HIGHMEM available.\n" , |
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| 41 | pages_to_mb(highend_pfn - highstart_pfn)); |
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| 42 | high_memory = (void *) __va(highstart_pfn * PAGE_SIZE - 1) + 1; |
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| 43 | #else |
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| 44 | high_memory = (void *) __va(max_low_pfn * PAGE_SIZE - 1) + 1; |
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| 45 | #endif |
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| 46 | printk(KERN_NOTICE "%ldMB LOWMEM available.\n" , |
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| 47 | pages_to_mb(max_low_pfn)); |
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| 48 | printk(KERN_DEBUG "max_low_pfn = %lx, highstart_pfn = %lx\n" , |
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| 49 | max_low_pfn, highstart_pfn); |
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| 50 | |
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| 51 | printk(KERN_DEBUG "Low memory ends at vaddr %08lx\n" , |
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| 52 | (ulong) pfn_to_kaddr(max_low_pfn)); |
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| 53 | |
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| 54 | printk(KERN_DEBUG "High memory starts at vaddr %08lx\n" , |
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| 55 | (ulong) pfn_to_kaddr(highstart_pfn)); |
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| 56 | |
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| 57 | __vmalloc_start_set = true; |
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| 58 | setup_bootmem_allocator(); |
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| 59 | } |
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| 60 | |
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