Contributors: 10
Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
Linus Torvalds (pre-git) |
170 |
42.93% |
12 |
42.86% |
Ralf Baechle |
122 |
30.81% |
6 |
21.43% |
Daniel Silsby |
70 |
17.68% |
1 |
3.57% |
Mike Rapoport |
10 |
2.53% |
3 |
10.71% |
Linus Torvalds |
7 |
1.77% |
1 |
3.57% |
Feiyang Chen |
7 |
1.77% |
1 |
3.57% |
Marcin Nowakowski |
4 |
1.01% |
1 |
3.57% |
Kevin Cernekee |
3 |
0.76% |
1 |
3.57% |
Andrew Morton |
2 |
0.51% |
1 |
3.57% |
Matthew Wilcox |
1 |
0.25% |
1 |
3.57% |
Total |
396 |
|
28 |
|
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/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2003 by Ralf Baechle
*/
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/memblock.h>
#include <linux/highmem.h>
#include <asm/fixmap.h>
#include <asm/pgalloc.h>
#include <asm/tlbflush.h>
void pgd_init(void *addr)
{
unsigned long *p = (unsigned long *)addr;
int i;
for (i = 0; i < USER_PTRS_PER_PGD; i+=8) {
p[i + 0] = (unsigned long) invalid_pte_table;
p[i + 1] = (unsigned long) invalid_pte_table;
p[i + 2] = (unsigned long) invalid_pte_table;
p[i + 3] = (unsigned long) invalid_pte_table;
p[i + 4] = (unsigned long) invalid_pte_table;
p[i + 5] = (unsigned long) invalid_pte_table;
p[i + 6] = (unsigned long) invalid_pte_table;
p[i + 7] = (unsigned long) invalid_pte_table;
}
}
#if defined(CONFIG_TRANSPARENT_HUGEPAGE)
pmd_t mk_pmd(struct page *page, pgprot_t prot)
{
pmd_t pmd;
pmd_val(pmd) = (page_to_pfn(page) << PFN_PTE_SHIFT) | pgprot_val(prot);
return pmd;
}
void set_pmd_at(struct mm_struct *mm, unsigned long addr,
pmd_t *pmdp, pmd_t pmd)
{
*pmdp = pmd;
}
#endif /* defined(CONFIG_TRANSPARENT_HUGEPAGE) */
void __init pagetable_init(void)
{
unsigned long vaddr;
pgd_t *pgd_base;
#ifdef CONFIG_HIGHMEM
pgd_t *pgd;
p4d_t *p4d;
pud_t *pud;
pmd_t *pmd;
pte_t *pte;
#endif
/* Initialize the entire pgd. */
pgd_init(swapper_pg_dir);
pgd_init(&swapper_pg_dir[USER_PTRS_PER_PGD]);
pgd_base = swapper_pg_dir;
/*
* Fixed mappings:
*/
vaddr = __fix_to_virt(__end_of_fixed_addresses - 1);
fixrange_init(vaddr & PMD_MASK, vaddr + FIXADDR_SIZE, pgd_base);
#ifdef CONFIG_HIGHMEM
/*
* Permanent kmaps:
*/
vaddr = PKMAP_BASE;
fixrange_init(vaddr & PMD_MASK, vaddr + PAGE_SIZE*LAST_PKMAP, pgd_base);
pgd = swapper_pg_dir + pgd_index(vaddr);
p4d = p4d_offset(pgd, vaddr);
pud = pud_offset(p4d, vaddr);
pmd = pmd_offset(pud, vaddr);
pte = pte_offset_kernel(pmd, vaddr);
pkmap_page_table = pte;
#endif
}