sys/src/vmsmemory.c File Reference

#include <linux/config.h>
#include <linux/mm.h>
#include <linux/mman.h>
#include <linux/swap.h>
#include <linux/smp_lock.h>
#include <linux/swapctl.h>
#include <linux/iobuf.h>
#include <linux/highmem.h>
#include <linux/pagemap.h>
#include <asm/pgalloc.h>
#include <asm/uaccess.h>
#include <asm/tlb.h>
#include <asm/pgtable.h>
#include <ipldef.h>
#include <phddef.h>
#include <rdedef.h>
#include <va_rangedef.h>
#include <vmspte.h>
#include <wsldef.h>
#include <exe_routines.h>
#include <misc_routines.h>
#include <mmg_routines.h>
#include <fcbdef.h>

Go to the source code of this file.

Defines
#define	PTE_TABLE_MASK   ((PTRS_PER_PTE-1) * sizeof(pte_t))
#define	PMD_TABLE_MASK   ((PTRS_PER_PMD-1) * sizeof(pmd_t))
#define	PUD_TABLE_MASK   ((PTRS_PER_PUD-1) * sizeof(pud_t))
#define	dprintk(x...)
Functions
pgprot_t	x_to_prot (int x)
struct vm_area_struct *	find_vma2 (struct mm_struct *mm, unsigned long addr)
void	pgd_clear_bad (pgd_t *pgd)
void	pud_clear_bad (pud_t *pud)
void	pmd_clear_bad (pmd_t *pmd)
int	__pte_alloc (struct mm_struct *mm, pmd_t *pmd, unsigned long address)
int	__pte_alloc_kernel (pmd_t *pmd, unsigned long address)
void	__free_pte (pte_t pte)
int	check_pgt_cache (void)
void	clear_page_tables (struct mm_struct *mm, unsigned long first, int nr)
struct page *	vm_normal_page (struct vm_area_struct *vma, unsigned long addr, pte_t pte)
int	copy_page_range (struct mm_struct *dst_mm, struct mm_struct *src_mm, struct vm_area_struct *vma)
void	zap_page_range (struct mm_struct *mm, unsigned long address, unsigned long size)
int	map_user_kiobuf (int rw, struct kiobuf *iobuf, unsigned long va, size_t len)
void	mark_dirty_kiobuf (struct kiobuf *iobuf, int bytes)
void	unmap_kiobuf (struct kiobuf *iobuf)
int	lock_kiovec (int nr, struct kiobuf *iovec[], int wait)
int	unlock_kiovec (int nr, struct kiobuf *iovec[])
int	zeromap_page_range (unsigned long address, unsigned long size, pgprot_t prot)
int	remap_page_range (unsigned long from, unsigned long phys_addr, unsigned long size, pgprot_t prot)
int	do_wp_page (struct mm_struct *mm, struct _rde *vma, unsigned long address, pte_t *page_table, pte_t pte)
int	vmtruncate (struct _fcb *inode, loff_t offset)
pud_t *fastcall	__pud_alloc (struct mm_struct *mm, pgd_t *pgd, unsigned long address)
pmd_t *fastcall	__pmd_alloc (struct mm_struct *mm, pud_t *pud, unsigned long address)
pte_t *fastcall	pte_alloc (struct mm_struct *mm, pmd_t *pmd, unsigned long address)
int	make_pages_present (unsigned long addr, unsigned long end)
Variables
unsigned long	max_mapnr
unsigned long	num_physpages
void *	high_memory
struct page *	highmem_start_page
mem_map_t *	mem_map
int	pgt_cache_water [2] = { 25, 50 }

---

Define Documentation

#define dprintk

(

x...

)

Definition at line 1174 of file vmsmemory.c.

Referenced by map_user_kiobuf().

#define PMD_TABLE_MASK   ((PTRS_PER_PMD-1) * sizeof(pmd_t))

Definition at line 457 of file vmsmemory.c.

#define PTE_TABLE_MASK   ((PTRS_PER_PTE-1) * sizeof(pte_t))

Definition at line 456 of file vmsmemory.c.

#define PUD_TABLE_MASK   ((PTRS_PER_PUD-1) * sizeof(pud_t))

Definition at line 458 of file vmsmemory.c.

---

Function Documentation

void __free_pte

(

pte_t

pte

)

Definition at line 355 of file vmsmemory.c.

References set_page_dirty().

pmd_t* fastcall __pmd_alloc	(	struct mm_struct *	mm,
		pud_t *	pud,
		unsigned long	address
	)

Definition at line 1814 of file vmsmemory.c.

int __pte_alloc	(	struct mm_struct *	mm,
		pmd_t *	pmd,
		unsigned long	address
	)

Definition at line 311 of file vmsmemory.c.

int __pte_alloc_kernel	(	pmd_t *	pmd,
		unsigned long	address
	)

Definition at line 333 of file vmsmemory.c.

pud_t* fastcall __pud_alloc	(	struct mm_struct *	mm,
		pgd_t *	pgd,
		unsigned long	address
	)

Definition at line 1779 of file vmsmemory.c.

int check_pgt_cache

(

void

)

Definition at line 430 of file vmsmemory.c.

Referenced by clear_page_tables().

void clear_page_tables	(	struct mm_struct *	mm,
		unsigned long	first,
		int	nr
	)

Definition at line 440 of file vmsmemory.c.

References check_pgt_cache().

Referenced by exit_mmap().

int copy_page_range	(	struct mm_struct *	dst_mm,
		struct mm_struct *	src_mm,
		struct vm_area_struct *	vma
	)

Definition at line 724 of file vmsmemory.c.

int do_wp_page	(	struct mm_struct *	mm,
		struct _rde *	vma,
		unsigned long	address,
		pte_t *	page_table,
		pte_t	pte
	)

TryLockPage(old_page)

Definition at line 1618 of file vmsmemory.c.

References can_share_swap_page(), and findpte_new().

struct vm_area_struct* find_vma2	(	struct mm_struct *	mm,
		unsigned long	addr
	)			[read]

Definition at line 82 of file vmsmemory.c.

int lock_kiovec	(	int	nr,
		struct kiobuf *	iovec[],
		int	wait
	)

Definition at line 1296 of file vmsmemory.c.

References unlock_kiovec().

int make_pages_present	(	unsigned long	addr,
		unsigned long	end
	)

Definition at line 1876 of file vmsmemory.c.

References find_vma(), and _rde::rde_pq_start_va.

Referenced by do_brk(), do_mmap_pgoff(), do_mremap(), and find_extend_vma().

int map_user_kiobuf	(	int	rw,
		struct kiobuf *	iobuf,
		unsigned long	va,
		size_t	len
	)

Definition at line 1176 of file vmsmemory.c.

References dprintk, and unmap_kiobuf().

void mark_dirty_kiobuf	(	struct kiobuf *	iobuf,
		int	bytes
	)

Definition at line 1232 of file vmsmemory.c.

void pgd_clear_bad

(

pgd_t *

pgd

)

Definition at line 108 of file vmsmemory.c.

void pmd_clear_bad

(

pmd_t *

pmd

)

Definition at line 120 of file vmsmemory.c.

pte_t* fastcall pte_alloc	(	struct mm_struct *	mm,
		pmd_t *	pmd,
		unsigned long	address
	)

Definition at line 1847 of file vmsmemory.c.

Referenced by init_fork_p1pp(), init_p1pp(), mmg_crepag(), and shell_init_other().

void pud_clear_bad

(

pud_t *

pud

)

Definition at line 114 of file vmsmemory.c.

int remap_page_range	(	unsigned long	from,
		unsigned long	phys_addr,
		unsigned long	size,
		pgprot_t	prot
	)

Definition at line 1541 of file vmsmemory.c.

int unlock_kiovec	(	int	nr,
		struct kiobuf *	iovec[]
	)

Definition at line 1374 of file vmsmemory.c.

Referenced by lock_kiovec().

void unmap_kiobuf

(

struct kiobuf *

iobuf

)

Definition at line 1262 of file vmsmemory.c.

References map.

Referenced by map_user_kiobuf().

struct page* vm_normal_page	(	struct vm_area_struct *	vma,
		unsigned long	addr,
		pte_t	pte
	)			[read]

Definition at line 485 of file vmsmemory.c.

int vmtruncate	(	struct _fcb *	inode,
		loff_t	offset
	)

Definition at line 1721 of file vmsmemory.c.

References _fcb::fcb_l_filesize, and truncate_inode_pages().

Referenced by generic_file_write().

pgprot_t x_to_prot

(

int

x

)

Definition at line 71 of file vmsmemory.c.

void zap_page_range	(	struct mm_struct *	mm,
		unsigned long	address,
		unsigned long	size
	)

Definition at line 1072 of file vmsmemory.c.

References exe_deltva(), _va_range::va_range_ps_end_va, and _va_range::va_range_ps_start_va.

Referenced by do_mmap_pgoff(), do_munmap(), and exit_mmap().

int zeromap_page_range	(	unsigned long	address,
		unsigned long	size,
		pgprot_t	prot
	)

Definition at line 1439 of file vmsmemory.c.

---

Variable Documentation

void* high_memory

Definition at line 79 of file vmsmemory.c.

struct page* highmem_start_page

Definition at line 80 of file vmsmemory.c.

unsigned long max_mapnr

Definition at line 77 of file vmsmemory.c.

mem_map_t* mem_map

Definition at line 100 of file vmsmemory.c.

Referenced by init_fork_p1pp(), init_p1pp(), mmg_allocontig(), mmg_allocontig_align(), mmg_delpag(), mmg_imgreset(), mmg_inspfn(), mmg_purgempl(), mmg_purgwsscn(), mmg_rempfn(), mypfncheckaddr(), and shell_init_other().

unsigned long num_physpages

Definition at line 78 of file vmsmemory.c.

Referenced by __vmalloc(), kmem_cache_sizes_init(), sys_mlock(), and sys_mlockall().

int pgt_cache_water[2] = { 25, 50 }

Definition at line 427 of file vmsmemory.c.