Contributors: 11
Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
Andrew Morton |
176 |
65.92% |
4 |
23.53% |
Paul Mundt |
39 |
14.61% |
2 |
11.76% |
Mike Rapoport |
24 |
8.99% |
1 |
5.88% |
David Gibson |
6 |
2.25% |
1 |
5.88% |
Mel Gorman |
5 |
1.87% |
2 |
11.76% |
Linus Torvalds (pre-git) |
5 |
1.87% |
2 |
11.76% |
Andi Kleen |
4 |
1.50% |
1 |
5.88% |
Punit Agrawal |
4 |
1.50% |
1 |
5.88% |
Hugh Dickins |
2 |
0.75% |
1 |
5.88% |
Christoph Lameter |
1 |
0.37% |
1 |
5.88% |
Greg Kroah-Hartman |
1 |
0.37% |
1 |
5.88% |
Total |
267 |
|
17 |
|
// 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/tlb.h>
#include <asm/tlbflush.h>
#include <asm/cacheflush.h>
pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,
unsigned long addr, unsigned long sz)
{
pgd_t *pgd;
p4d_t *p4d;
pud_t *pud;
pmd_t *pmd;
pte_t *pte = NULL;
pgd = pgd_offset(mm, addr);
if (pgd) {
p4d = p4d_alloc(mm, pgd, addr);
if (p4d) {
pud = pud_alloc(mm, p4d, addr);
if (pud) {
pmd = pmd_alloc(mm, pud, addr);
if (pmd)
pte = pte_alloc_huge(mm, pmd, addr);
}
}
}
return pte;
}
pte_t *huge_pte_offset(struct mm_struct *mm,
unsigned long addr, unsigned long sz)
{
pgd_t *pgd;
p4d_t *p4d;
pud_t *pud;
pmd_t *pmd;
pte_t *pte = NULL;
pgd = pgd_offset(mm, addr);
if (pgd) {
p4d = p4d_offset(pgd, addr);
if (p4d) {
pud = pud_offset(p4d, addr);
if (pud) {
pmd = pmd_offset(pud, addr);
if (pmd)
pte = pte_offset_huge(pmd, addr);
}
}
}
return pte;
}