mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-01 14:44:12 +00:00
1f9d03c5e9
mem_init_print_info() is called in mem_init() on each architecture, and pass NULL argument, so using void argument and move it into mm_init(). Link: https://lkml.kernel.org/r/20210317015210.33641-1-wangkefeng.wang@huawei.com Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Acked-by: Dave Hansen <dave.hansen@linux.intel.com> [x86] Reviewed-by: Christophe Leroy <christophe.leroy@c-s.fr> [powerpc] Acked-by: David Hildenbrand <david@redhat.com> Tested-by: Anatoly Pugachev <matorola@gmail.com> [sparc64] Acked-by: Russell King <rmk+kernel@armlinux.org.uk> [arm] Acked-by: Mike Rapoport <rppt@linux.ibm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Richard Henderson <rth@twiddle.net> Cc: Guo Ren <guoren@kernel.org> Cc: Yoshinori Sato <ysato@users.osdn.me> Cc: Huacai Chen <chenhuacai@kernel.org> Cc: Jonas Bonn <jonas@southpole.se> Cc: Palmer Dabbelt <palmer@dabbelt.com> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: "Peter Zijlstra" <peterz@infradead.org> Cc: Ingo Molnar <mingo@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
101 lines
2.5 KiB
C
101 lines
2.5 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* linux/arch/h8300/mm/init.c
|
|
*
|
|
* Copyright (C) 1998 D. Jeff Dionne <jeff@lineo.ca>,
|
|
* Kenneth Albanowski <kjahds@kjahds.com>,
|
|
* Copyright (C) 2000 Lineo, Inc. (www.lineo.com)
|
|
*
|
|
* Based on:
|
|
*
|
|
* linux/arch/m68knommu/mm/init.c
|
|
* linux/arch/m68k/mm/init.c
|
|
*
|
|
* Copyright (C) 1995 Hamish Macdonald
|
|
*
|
|
* JAN/1999 -- hacked to support ColdFire (gerg@snapgear.com)
|
|
* DEC/2000 -- linux 2.4 support <davidm@snapgear.com>
|
|
*/
|
|
|
|
#include <linux/signal.h>
|
|
#include <linux/sched.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/string.h>
|
|
#include <linux/types.h>
|
|
#include <linux/ptrace.h>
|
|
#include <linux/mman.h>
|
|
#include <linux/mm.h>
|
|
#include <linux/swap.h>
|
|
#include <linux/init.h>
|
|
#include <linux/highmem.h>
|
|
#include <linux/pagemap.h>
|
|
#include <linux/memblock.h>
|
|
#include <linux/gfp.h>
|
|
|
|
#include <asm/setup.h>
|
|
#include <asm/segment.h>
|
|
#include <asm/page.h>
|
|
#include <asm/sections.h>
|
|
|
|
/*
|
|
* ZERO_PAGE is a special page that is used for zero-initialized
|
|
* data and COW.
|
|
*/
|
|
unsigned long 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)
|
|
{
|
|
/*
|
|
* Make sure start_mem is page aligned, otherwise bootmem and
|
|
* page_alloc get different views og the world.
|
|
*/
|
|
unsigned long start_mem = PAGE_ALIGN(memory_start);
|
|
unsigned long end_mem = memory_end & PAGE_MASK;
|
|
|
|
pr_debug("start_mem is %#lx\nvirtual_end is %#lx\n",
|
|
start_mem, end_mem);
|
|
|
|
/*
|
|
* Initialize the bad page table and bad page to point
|
|
* to a couple of allocated pages.
|
|
*/
|
|
empty_zero_page = (unsigned long)memblock_alloc(PAGE_SIZE, PAGE_SIZE);
|
|
if (!empty_zero_page)
|
|
panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
|
|
__func__, PAGE_SIZE, PAGE_SIZE);
|
|
|
|
/*
|
|
* Set up SFC/DFC registers (user data space).
|
|
*/
|
|
set_fs(USER_DS);
|
|
|
|
pr_debug("before free_area_init\n");
|
|
|
|
pr_debug("free_area_init -> start_mem is %#lx\nvirtual_end is %#lx\n",
|
|
start_mem, end_mem);
|
|
|
|
{
|
|
unsigned long max_zone_pfn[MAX_NR_ZONES] = {0, };
|
|
|
|
max_zone_pfn[ZONE_NORMAL] = end_mem >> PAGE_SHIFT;
|
|
free_area_init(max_zone_pfn);
|
|
}
|
|
}
|
|
|
|
void __init mem_init(void)
|
|
{
|
|
pr_devel("Mem_init: start=%lx, end=%lx\n", memory_start, memory_end);
|
|
|
|
high_memory = (void *) (memory_end & PAGE_MASK);
|
|
max_mapnr = MAP_NR(high_memory);
|
|
|
|
/* this will put all low memory onto the freelists */
|
|
memblock_free_all();
|
|
}
|