linux_dsm_epyc7002/arch/c6x/mm/init.c
Chen Gang fe74650166 arch: c6x: mm: include "asm/uaccess.h" to pass compiling
Need include "asm/uaccess.h" to pass compiling.

The related error (with allmodconfig):

  arch/c6x/mm/init.c: In function `paging_init':
  arch/c6x/mm/init.c:46:2: error: implicit declaration of function `set_fs' [-Werror=implicit-function-declaration]
  arch/c6x/mm/init.c:46:9: error: `KERNEL_DS' undeclared (first use in this function)
  arch/c6x/mm/init.c:46:9: note: each undeclared identifier is reported only once for each function it appears in

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Cc: <stable@vger.kernel.org>	[3.10.x]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-07-03 16:07:22 -07:00

89 lines
2.2 KiB
C

/*
* Port on Texas Instruments TMS320C6x architecture
*
* Copyright (C) 2004, 2009, 2010, 2011 Texas Instruments Incorporated
* Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/mm.h>
#include <linux/swap.h>
#include <linux/module.h>
#include <linux/bootmem.h>
#ifdef CONFIG_BLK_DEV_RAM
#include <linux/blkdev.h>
#endif
#include <linux/initrd.h>
#include <asm/sections.h>
#include <asm/uaccess.h>
/*
* ZERO_PAGE is a special page that is used for zero-initialized
* data and COW.
*/
unsigned long empty_zero_page;
EXPORT_SYMBOL(empty_zero_page);
/*
* paging_init() continues the virtual memory environment setup which
* was begun by the code in arch/head.S.
* The parameters are pointers to where to stick the starting and ending
* addresses of available kernel virtual memory.
*/
void __init paging_init(void)
{
struct pglist_data *pgdat = NODE_DATA(0);
unsigned long zones_size[MAX_NR_ZONES] = {0, };
empty_zero_page = (unsigned long) alloc_bootmem_pages(PAGE_SIZE);
memset((void *)empty_zero_page, 0, PAGE_SIZE);
/*
* Set up user data space
*/
set_fs(KERNEL_DS);
/*
* Define zones
*/
zones_size[ZONE_NORMAL] = (memory_end - PAGE_OFFSET) >> PAGE_SHIFT;
pgdat->node_zones[ZONE_NORMAL].zone_start_pfn =
__pa(PAGE_OFFSET) >> PAGE_SHIFT;
free_area_init(zones_size);
}
void __init mem_init(void)
{
int codek, datak;
unsigned long tmp;
unsigned long len = memory_end - memory_start;
high_memory = (void *)(memory_end & PAGE_MASK);
/* this will put all memory onto the freelists */
totalram_pages = free_all_bootmem();
codek = (_etext - _stext) >> 10;
datak = (_end - _sdata) >> 10;
tmp = nr_free_pages() << PAGE_SHIFT;
printk(KERN_INFO "Memory: %luk/%luk RAM (%dk kernel code, %dk data)\n",
tmp >> 10, len >> 10, codek, datak);
}
#ifdef CONFIG_BLK_DEV_INITRD
void __init free_initrd_mem(unsigned long start, unsigned long end)
{
free_reserved_area(start, end, 0, "initrd");
}
#endif
void __init free_initmem(void)
{
free_initmem_default(0);
}