mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-23 09:19:51 +00:00
![Mike Rapoport](/assets/img/avatar_default.png)
The DISCONTIGMEM support was marked as deprecated in v5.2 and since there were no complaints about it for almost 5 releases it can be completely removed. Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Borislav Petkov <bp@suse.de> Acked-by: Dave Hansen <dave.hansen@linux.intel.com> Link: https://lkml.kernel.org/r/20200223094322.15206-1-rppt@kernel.org
59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
/*
|
|
* 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.
|
|
*/
|
|
|
|
#include <linux/memblock.h>
|
|
#include <linux/init.h>
|
|
|
|
#include "numa_internal.h"
|
|
|
|
extern unsigned long highend_pfn, highstart_pfn;
|
|
|
|
void __init initmem_init(void)
|
|
{
|
|
x86_numa_init();
|
|
|
|
#ifdef CONFIG_HIGHMEM
|
|
highstart_pfn = highend_pfn = max_pfn;
|
|
if (max_pfn > max_low_pfn)
|
|
highstart_pfn = max_low_pfn;
|
|
printk(KERN_NOTICE "%ldMB HIGHMEM available.\n",
|
|
pages_to_mb(highend_pfn - highstart_pfn));
|
|
high_memory = (void *) __va(highstart_pfn * PAGE_SIZE - 1) + 1;
|
|
#else
|
|
high_memory = (void *) __va(max_low_pfn * PAGE_SIZE - 1) + 1;
|
|
#endif
|
|
printk(KERN_NOTICE "%ldMB LOWMEM available.\n",
|
|
pages_to_mb(max_low_pfn));
|
|
printk(KERN_DEBUG "max_low_pfn = %lx, highstart_pfn = %lx\n",
|
|
max_low_pfn, highstart_pfn);
|
|
|
|
printk(KERN_DEBUG "Low memory ends at vaddr %08lx\n",
|
|
(ulong) pfn_to_kaddr(max_low_pfn));
|
|
|
|
printk(KERN_DEBUG "High memory starts at vaddr %08lx\n",
|
|
(ulong) pfn_to_kaddr(highstart_pfn));
|
|
|
|
__vmalloc_start_set = true;
|
|
setup_bootmem_allocator();
|
|
}
|