2005-04-16 22:20:36 +00:00
|
|
|
/*
|
|
|
|
* Written by: Patricia Gaughen <gone@us.ibm.com>, IBM Corporation
|
|
|
|
* August 2002: added remote node KVA remap - Martin J. Bligh
|
|
|
|
*
|
|
|
|
* Copyright (C) 2002, IBM Corp.
|
|
|
|
*
|
|
|
|
* All rights reserved.
|
|
|
|
*
|
|
|
|
* This program is free software; you can redistribute it and/or modify
|
|
|
|
* it under the terms of the GNU General Public License as published by
|
|
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
|
|
* (at your option) any later version.
|
|
|
|
*
|
|
|
|
* This program is distributed in the hope that it will be useful, but
|
|
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
|
|
|
|
* NON INFRINGEMENT. See the GNU General Public License for more
|
|
|
|
* details.
|
|
|
|
*
|
|
|
|
* You should have received a copy of the GNU General Public License
|
|
|
|
* along with this program; if not, write to the Free Software
|
|
|
|
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
|
|
*/
|
|
|
|
|
2010-08-25 20:39:17 +00:00
|
|
|
#include <linux/memblock.h>
|
2016-07-14 00:18:55 +00:00
|
|
|
#include <linux/init.h>
|
2005-06-23 07:07:57 +00:00
|
|
|
|
2011-05-02 15:24:48 +00:00
|
|
|
#include "numa_internal.h"
|
2005-04-16 22:20:36 +00:00
|
|
|
|
|
|
|
extern unsigned long highend_pfn, highstart_pfn;
|
|
|
|
|
2011-02-16 11:13:06 +00:00
|
|
|
void __init initmem_init(void)
|
2005-04-16 22:20:36 +00:00
|
|
|
{
|
2011-05-02 15:24:48 +00:00
|
|
|
x86_numa_init();
|
2011-04-04 22:23:55 +00:00
|
|
|
|
2005-04-16 22:20:36 +00:00
|
|
|
#ifdef CONFIG_HIGHMEM
|
|
|
|
highstart_pfn = highend_pfn = max_pfn;
|
2008-06-23 10:05:30 +00:00
|
|
|
if (max_pfn > max_low_pfn)
|
|
|
|
highstart_pfn = max_low_pfn;
|
2005-04-16 22:20:36 +00:00
|
|
|
printk(KERN_NOTICE "%ldMB HIGHMEM available.\n",
|
|
|
|
pages_to_mb(highend_pfn - highstart_pfn));
|
2006-09-26 08:52:31 +00:00
|
|
|
high_memory = (void *) __va(highstart_pfn * PAGE_SIZE - 1) + 1;
|
|
|
|
#else
|
2008-06-23 10:05:30 +00:00
|
|
|
high_memory = (void *) __va(max_low_pfn * PAGE_SIZE - 1) + 1;
|
2005-04-16 22:20:36 +00:00
|
|
|
#endif
|
|
|
|
printk(KERN_NOTICE "%ldMB LOWMEM available.\n",
|
2008-06-23 10:05:30 +00:00
|
|
|
pages_to_mb(max_low_pfn));
|
2008-06-23 23:41:30 +00:00
|
|
|
printk(KERN_DEBUG "max_low_pfn = %lx, highstart_pfn = %lx\n",
|
|
|
|
max_low_pfn, highstart_pfn);
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2008-06-23 23:41:30 +00:00
|
|
|
printk(KERN_DEBUG "Low memory ends at vaddr %08lx\n",
|
2005-04-16 22:20:36 +00:00
|
|
|
(ulong) pfn_to_kaddr(max_low_pfn));
|
2008-06-24 19:19:41 +00:00
|
|
|
|
2008-06-23 23:41:30 +00:00
|
|
|
printk(KERN_DEBUG "High memory starts at vaddr %08lx\n",
|
2005-04-16 22:20:36 +00:00
|
|
|
(ulong) pfn_to_kaddr(highstart_pfn));
|
2008-06-24 19:19:41 +00:00
|
|
|
|
2017-05-08 21:23:16 +00:00
|
|
|
__vmalloc_start_set = true;
|
2005-04-16 22:20:36 +00:00
|
|
|
setup_bootmem_allocator();
|
|
|
|
}
|