Release 4.14 arch/c6x/mm/init.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 <linux/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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Aurelien Jacquiot | 94 | 100.00% | 1 | 100.00% |
| Total | 94 | 100.00% | 1 | 100.00% |
void __init mem_init(void)
{
high_memory = (void *)(memory_end & PAGE_MASK);
/* this will put all memory onto the freelists */
free_all_bootmem();
mem_init_print_info(NULL);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Aurelien Jacquiot | 27 | 93.10% | 1 | 50.00% |
| Jiang Liu | 2 | 6.90% | 1 | 50.00% |
| Total | 29 | 100.00% | 2 | 100.00% |
#ifdef CONFIG_BLK_DEV_INITRD
void __init free_initrd_mem(unsigned long start, unsigned long end)
{
free_reserved_area((void *)start, (void *)end, -1, "initrd");
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Aurelien Jacquiot | 19 | 55.88% | 1 | 25.00% |
| Jiang Liu | 15 | 44.12% | 3 | 75.00% |
| Total | 34 | 100.00% | 4 | 100.00% |
#endif
void __init free_initmem(void)
{
free_initmem_default(-1);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Aurelien Jacquiot | 11 | 78.57% | 1 | 33.33% |
| Jiang Liu | 3 | 21.43% | 2 | 66.67% |
| Total | 14 | 100.00% | 3 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Aurelien Jacquiot | 194 | 89.40% | 1 | 14.29% |
| Jiang Liu | 20 | 9.22% | 4 | 57.14% |
| Chen Gang S | 2 | 0.92% | 1 | 14.29% |
| Linus Torvalds | 1 | 0.46% | 1 | 14.29% |
| Total | 217 | 100.00% | 7 | 100.00% |
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