Release 4.14 arch/mips/mm/hugetlbpage.c
/*
* MIPS Huge TLB Page Support for Kernel.
*
* 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) 2002, Rohit Seth <rohit.seth@intel.com>
* Copyright 2005, Embedded Alley Solutions, Inc.
* Matt Porter <mporter@embeddedalley.com>
* Copyright (C) 2008, 2009 Cavium Networks, Inc.
*/
#include <linux/fs.h>
#include <linux/mm.h>
#include <linux/hugetlb.h>
#include <linux/pagemap.h>
#include <linux/err.h>
#include <linux/sysctl.h>
#include <asm/mman.h>
#include <asm/tlb.h>
#include <asm/tlbflush.h>
pte_t *huge_pte_alloc(struct mm_struct *mm, unsigned long addr,
unsigned long sz)
{
pgd_t *pgd;
pud_t *pud;
pte_t *pte = NULL;
pgd = pgd_offset(mm, addr);
pud = pud_alloc(mm, pgd, addr);
if (pud)
pte = (pte_t *)pmd_alloc(mm, pud, addr);
return pte;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David Daney | 75 | 100.00% | 1 | 100.00% |
| Total | 75 | 100.00% | 1 | 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 = NULL;
pgd = pgd_offset(mm, addr);
if (pgd_present(*pgd)) {
pud = pud_offset(pgd, addr);
if (pud_present(*pud))
pmd = pmd_offset(pud, addr);
}
return (pte_t *) pmd;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David Daney | 81 | 95.29% | 1 | 50.00% |
| Punit Agrawal | 4 | 4.71% | 1 | 50.00% |
| Total | 85 | 100.00% | 2 | 100.00% |
/*
* This function checks for proper alignment of input addr and len parameters.
*/
int is_aligned_hugepage_range(unsigned long addr, unsigned long len)
{
if (len & ~HPAGE_MASK)
return -EINVAL;
if (addr & ~HPAGE_MASK)
return -EINVAL;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David Daney | 38 | 100.00% | 1 | 100.00% |
| Total | 38 | 100.00% | 1 | 100.00% |
int pmd_huge(pmd_t pmd)
{
return (pmd_val(pmd) & _PAGE_HUGE) != 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David Daney | 20 | 100.00% | 1 | 100.00% |
| Total | 20 | 100.00% | 1 | 100.00% |
int pud_huge(pud_t pud)
{
return (pud_val(pud) & _PAGE_HUGE) != 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David Daney | 20 | 100.00% | 1 | 100.00% |
| Total | 20 | 100.00% | 1 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David Daney | 263 | 98.50% | 1 | 50.00% |
| Punit Agrawal | 4 | 1.50% | 1 | 50.00% |
| Total | 267 | 100.00% | 2 | 100.00% |
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.