Release 4.14 arch/sh/mm/hugetlbpage.c

// SPDX-License-Identifier: GPL-2.0
/*
 * arch/sh/mm/hugetlbpage.c
 *
 * SuperH HugeTLB page support.
 *
 * Cloned from sparc64 by Paul Mundt.
 *
 * Copyright (C) 2002, 2003 David S. Miller (davem@redhat.com)
 */

#include <linux/init.h>
#include <linux/fs.h>
#include <linux/mm.h>
#include <linux/hugetlb.h>
#include <linux/pagemap.h>
#include <linux/sysctl.h>

#include <asm/mman.h>
#include <asm/pgalloc.h>
#include <asm/tlb.h>
#include <asm/tlbflush.h>
#include <asm/cacheflush.h>



pte_t *huge_pte_alloc(struct mm_struct *mm,
			unsigned long addr, unsigned long sz)
{
	pgd_t *pgd;
	pud_t *pud;
	pmd_t *pmd;
	pte_t *pte = NULL;

	pgd = pgd_offset(mm, addr);
	if (pgd) {
		pud = pud_alloc(mm, pgd, addr);
		if (pud) {
			pmd = pmd_alloc(mm, pud, addr);
			if (pmd)
				pte = pte_alloc_map(mm, pmd, addr);
		}
	}

	return pte;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Andrew Morton
72
73.47%
2
50.00%
Paul Mundt
22
22.45%
1
25.00%
Andi Kleen
4
4.08%
1
25.00%
Total
98
100.00%
4
100.00%



pte_t *huge_pte_offset(struct mm_struct *mm,
		       unsigned long addr, unsigned long sz)
{
	pgd_t *pgd;
	pud_t *pud;
	pmd_t *pmd;
	pte_t *pte = NULL;

	pgd = pgd_offset(mm, addr);
	if (pgd) {
		pud = pud_offset(pgd, addr);
		if (pud) {
			pmd = pmd_offset(pud, addr);
			if (pmd)
				pte = pte_offset_map(pmd, addr);
		}
	}

	return pte;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Andrew Morton
63
68.48%
2
33.33%
Paul Mundt
18
19.57%
1
16.67%
David Gibson
5
5.43%
1
16.67%
Punit Agrawal
4
4.35%
1
16.67%
Christoph Lameter
2
2.17%
1
16.67%
Total
92
100.00%
6
100.00%



int pmd_huge(pmd_t pmd)
{
	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
David Gibson
7
63.64%
1
33.33%
Andrew Morton
4
36.36%
2
66.67%
Total
11
100.00%
3
100.00%



int pud_huge(pud_t pud)
{
	return 0;
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Andi Kleen
11
100.00%
1
100.00%
Total
11
100.00%
1
100.00%

Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Andrew Morton
173
70.04%
2
22.22%
Paul Mundt
40
16.19%
1
11.11%
Andi Kleen
15
6.07%
2
22.22%
David Gibson
12
4.86%
1
11.11%
Punit Agrawal
4
1.62%
1
11.11%
Christoph Lameter
2
0.81%
1
11.11%
Greg Kroah-Hartman
1
0.40%
1
11.11%
Total
247
100.00%
9
100.00%
Directory: arch/sh/mm

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.