hugetlbpage.c File Reference

#include <linux/mm.h>
#include <linux/io.h>
#include <linux/slab.h>
#include <linux/hugetlb.h>
#include <linux/export.h>
#include <linux/of_fdt.h>
#include <linux/memblock.h>
#include <linux/bootmem.h>
#include <linux/moduleparam.h>
#include <asm/pgtable.h>
#include <asm/pgalloc.h>
#include <asm/tlb.h>
#include <asm/setup.h>

Go to the source code of this file.

Macros
#define	PAGE_SHIFT_64K   16
#define	PAGE_SHIFT_16M   24
#define	PAGE_SHIFT_16G   34
#define	MAX_NUMBER_GPAGES   1024
#define	hugepd_none(hpd)   ((hpd).pd == 0)
#define	HUGEPD_PGD_SHIFT   PUD_SHIFT
#define	HUGEPD_PUD_SHIFT   PMD_SHIFT

Functions
pte_t *	find_linux_pte_or_hugepte (pgd_t *pgdir, unsigned long ea, unsigned *shift)
	EXPORT_SYMBOL_GPL (find_linux_pte_or_hugepte)
pte_t *	huge_pte_offset (struct mm_struct *mm, unsigned long addr)
pte_t *	huge_pte_alloc (struct mm_struct *mm, unsigned long addr, unsigned long sz)
void	add_gpage (u64 addr, u64 page_size, unsigned long number_of_pages)
int	alloc_bootmem_huge_page (struct hstate *hstate)
int	huge_pmd_unshare (struct mm_struct *mm, unsigned long *addr, pte_t *ptep)
void	hugetlb_free_pgd_range (struct mmu_gather *tlb, unsigned long addr, unsigned long end, unsigned long floor, unsigned long ceiling)
struct page *	follow_huge_addr (struct mm_struct *mm, unsigned long address, int write)
int	pmd_huge (pmd_t pmd)
int	pud_huge (pud_t pud)
struct page *	follow_huge_pmd (struct mm_struct *mm, unsigned long address, pmd_t *pmd, int write)
int	gup_hugepd (hugepd_t *hugepd, unsigned pdshift, unsigned long addr, unsigned long end, int write, struct page **pages, int *nr)
unsigned long	vma_mmu_pagesize (struct vm_area_struct *vma)
	__setup ("hugepagesz=", hugepage_setup_sz)
	module_init (hugetlbpage_init)
void	flush_dcache_icache_hugepage (struct page *page)

Variables
unsigned int	HPAGE_SHIFT

Macro Definition Documentation

#define hugepd_none

(

hpd

)

((hpd).pd == 0)

Definition at line 68 of file hugetlbpage.c.

#define HUGEPD_PGD_SHIFT   PUD_SHIFT

Definition at line 174 of file hugetlbpage.c.

#define HUGEPD_PUD_SHIFT   PMD_SHIFT

Definition at line 175 of file hugetlbpage.c.

#define MAX_NUMBER_GPAGES   1024

Definition at line 46 of file hugetlbpage.c.

#define PAGE_SHIFT_16G   34

Definition at line 27 of file hugetlbpage.c.

#define PAGE_SHIFT_16M   24

Definition at line 26 of file hugetlbpage.c.

#define PAGE_SHIFT_64K   16

Definition at line 25 of file hugetlbpage.c.

Function Documentation

__setup

(

)

void add_gpage	(	u64	addr,
		u64	page_size,
		unsigned long	number_of_pages
	)

Definition at line 343 of file hugetlbpage.c.

int alloc_bootmem_huge_page

(

struct hstate *

hstate

)

Definition at line 358 of file hugetlbpage.c.

EXPORT_SYMBOL_GPL

(

find_linux_pte_or_hugepte

)

pte_t* find_linux_pte_or_hugepte	(	pgd_t *	pgdir,
		unsigned long	ea,
		unsigned *	shift
	)

Definition at line 70 of file hugetlbpage.c.

void flush_dcache_icache_hugepage

(

struct page *

page

)

Definition at line 906 of file hugetlbpage.c.

struct page* follow_huge_addr ( struct mm_struct *  mm, unsigned long  address, int  write  )

read

Definition at line 610 of file hugetlbpage.c.

struct page* follow_huge_pmd ( struct mm_struct *  mm, unsigned long  address, pmd_t *  pmd, int  write  )

read

Definition at line 642 of file hugetlbpage.c.

int gup_hugepd	(	hugepd_t *	hugepd,
		unsigned	pdshift,
		unsigned long	addr,
		unsigned long	end,
		int	write,
		struct page **	pages,
		int *	nr
	)

Definition at line 719 of file hugetlbpage.c.

int huge_pmd_unshare	(	struct mm_struct *	mm,
		unsigned long *	addr,
		pte_t *	ptep
	)

Definition at line 371 of file hugetlbpage.c.

pte_t* huge_pte_alloc	(	struct mm_struct *	mm,
		unsigned long	addr,
		unsigned long	sz
	)

Definition at line 178 of file hugetlbpage.c.

pte_t* huge_pte_offset	(	struct mm_struct *	mm,
		unsigned long	addr
	)

Definition at line 109 of file hugetlbpage.c.

void hugetlb_free_pgd_range	(	struct mmu_gather *	tlb,
		unsigned long	addr,
		unsigned long	end,
		unsigned long	floor,
		unsigned long	ceiling
	)

Definition at line 562 of file hugetlbpage.c.

module_init

(

hugetlbpage_init

)

int pmd_huge

(

pmd_t

pmd

)

Definition at line 631 of file hugetlbpage.c.

int pud_huge

(

pud_t

pud

)

Definition at line 636 of file hugetlbpage.c.

unsigned long vma_mmu_pagesize

(

struct vm_area_struct *

vma

)

Definition at line 749 of file hugetlbpage.c.

Variable Documentation

unsigned int HPAGE_SHIFT

Definition at line 29 of file hugetlbpage.c.