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59 lines
1.9 KiB
59 lines
1.9 KiB
/* |
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* Written by: Patricia Gaughen <[email protected]>, IBM Corporation |
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* August 2002: added remote node KVA remap - Martin J. Bligh |
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* |
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* Copyright (C) 2002, IBM Corp. |
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* |
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* All rights reserved. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or |
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* NON INFRINGEMENT. See the GNU General Public License for more |
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* details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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#include <linux/memblock.h> |
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#include <linux/init.h> |
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#include "numa_internal.h" |
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extern unsigned long highend_pfn, highstart_pfn; |
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void __init initmem_init(void) |
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{ |
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x86_numa_init(); |
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#ifdef CONFIG_HIGHMEM |
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highstart_pfn = highend_pfn = max_pfn; |
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if (max_pfn > max_low_pfn) |
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highstart_pfn = max_low_pfn; |
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printk(KERN_NOTICE "%ldMB HIGHMEM available.\n", |
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pages_to_mb(highend_pfn - highstart_pfn)); |
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high_memory = (void *) __va(highstart_pfn * PAGE_SIZE - 1) + 1; |
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#else |
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high_memory = (void *) __va(max_low_pfn * PAGE_SIZE - 1) + 1; |
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#endif |
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printk(KERN_NOTICE "%ldMB LOWMEM available.\n", |
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pages_to_mb(max_low_pfn)); |
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printk(KERN_DEBUG "max_low_pfn = %lx, highstart_pfn = %lx\n", |
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max_low_pfn, highstart_pfn); |
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printk(KERN_DEBUG "Low memory ends at vaddr %08lx\n", |
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(ulong) pfn_to_kaddr(max_low_pfn)); |
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printk(KERN_DEBUG "High memory starts at vaddr %08lx\n", |
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(ulong) pfn_to_kaddr(highstart_pfn)); |
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__vmalloc_start_set = true; |
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setup_bootmem_allocator(); |
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}
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