#include <linux/slab.h>
#include <linux/backing-dev.h>
#include <linux/mm.h>
#include <linux/shm.h>
#include <linux/mman.h>
#include <linux/pagemap.h>
#include <linux/swap.h>
#include <linux/syscalls.h>
#include <linux/capability.h>
#include <linux/init.h>
#include <linux/file.h>
#include <linux/fs.h>
#include <linux/personality.h>
#include <linux/security.h>
#include <linux/hugetlb.h>
#include <linux/profile.h>
#include <linux/export.h>
#include <linux/mount.h>
#include <linux/mempolicy.h>
#include <linux/rmap.h>
#include <linux/mmu_notifier.h>
#include <linux/perf_event.h>
#include <linux/audit.h>
#include <linux/khugepaged.h>
#include <linux/uprobes.h>
#include <asm/uaccess.h>
#include <asm/cacheflush.h>
#include <asm/tlb.h>
#include <asm/mmu_context.h>
#include "internal.h"

Macros
#define	arch_mmap_check(addr, len, flags) (0)

#define	arch_rebalance_pgtables(addr, len) (addr)

#define	validate_mm(mm) do { } while (0)

Functions
pgprot_t	vm_get_page_prot (unsigned long vm_flags)

	EXPORT_SYMBOL (vm_get_page_prot)

int	__vm_enough_memory (struct mm_struct *mm, long pages, int cap_sys_admin)

void	unlink_file_vma (struct vm_area_struct *vma)

	SYSCALL_DEFINE1 (brk, unsigned long, brk)

void	__vma_link_rb (struct mm_struct mm, struct vm_area_struct vma, struct rb_node *rb_link, struct rb_node rb_parent)

int	vma_adjust (struct vm_area_struct vma, unsigned long start, unsigned long end, pgoff_t pgoff, struct vm_area_struct insert)

struct vm_area_struct *	vma_merge (struct mm_struct mm, struct vm_area_struct prev, unsigned long addr, unsigned long end, unsigned long vm_flags, struct anon_vma anon_vma, struct file file, pgoff_t pgoff, struct mempolicy *policy)

struct anon_vma *	find_mergeable_anon_vma (struct vm_area_struct *vma)

unsigned long	do_mmap_pgoff (struct file *file, unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags, unsigned long pgoff)

	SYSCALL_DEFINE6 (mmap_pgoff, unsigned long, addr, unsigned long, len, unsigned long, prot, unsigned long, flags, unsigned long, fd, unsigned long, pgoff)

int	vma_wants_writenotify (struct vm_area_struct *vma)

unsigned long	mmap_region (struct file *file, unsigned long addr, unsigned long len, unsigned long flags, vm_flags_t vm_flags, unsigned long pgoff)

unsigned long	arch_get_unmapped_area (struct file *filp, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags)

void	arch_unmap_area (struct mm_struct *mm, unsigned long addr)

unsigned long	arch_get_unmapped_area_topdown (struct file *filp, const unsigned long addr0, const unsigned long len, const unsigned long pgoff, const unsigned long flags)

void	arch_unmap_area_topdown (struct mm_struct *mm, unsigned long addr)

unsigned long	get_unmapped_area (struct file *file, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags)

	EXPORT_SYMBOL (get_unmapped_area)

struct vm_area_struct *	find_vma (struct mm_struct *mm, unsigned long addr)

	EXPORT_SYMBOL (find_vma)

struct vm_area_struct *	find_vma_prev (struct mm_struct mm, unsigned long addr, struct vm_area_struct *pprev)

int	expand_downwards (struct vm_area_struct *vma, unsigned long address)

int	expand_stack (struct vm_area_struct *vma, unsigned long address)

struct vm_area_struct *	find_extend_vma (struct mm_struct *mm, unsigned long addr)

int	split_vma (struct mm_struct mm, struct vm_area_struct vma, unsigned long addr, int new_below)

int	do_munmap (struct mm_struct *mm, unsigned long start, size_t len)

int	vm_munmap (unsigned long start, size_t len)

	EXPORT_SYMBOL (vm_munmap)

	SYSCALL_DEFINE2 (munmap, unsigned long, addr, size_t, len)

unsigned long	vm_brk (unsigned long addr, unsigned long len)

	EXPORT_SYMBOL (vm_brk)

void	exit_mmap (struct mm_struct *mm)

int	insert_vm_struct (struct mm_struct mm, struct vm_area_struct vma)

struct vm_area_struct *	copy_vma (struct vm_area_struct *vmap, unsigned long addr, unsigned long len, pgoff_t pgoff, bool need_rmap_locks)

int	may_expand_vm (struct mm_struct *mm, unsigned long npages)

int	install_special_mapping (struct mm_struct mm, unsigned long addr, unsigned long len, unsigned long vm_flags, struct page *pages)

int	mm_take_all_locks (struct mm_struct *mm)

void	mm_drop_all_locks (struct mm_struct *mm)

void __init	mmap_init (void)

Variables
pgprot_t	protection_map [16]

int sysctl_overcommit_memory	__read_mostly = OVERCOMMIT_GUESS

struct percpu_counter vm_committed_as	____cacheline_aligned_in_smp

Macro Definition Documentation

#define arch_mmap_check	(	addr,
		len,
		flags
	)	(0)

Definition at line 43 of file mmap.c.

#define arch_rebalance_pgtables	(	addr,
		len
	)	(addr)

Definition at line 47 of file mmap.c.

#define validate_mm ( mm ) do { } while (0)

Definition at line 352 of file mmap.c.

Function Documentation

int __vm_enough_memory	(	struct mm_struct *	mm,
		long	pages,
		int	cap_sys_admin
	)

Definition at line 107 of file mmap.c.

void __vma_link_rb	(	struct mm_struct *	mm,
		struct vm_area_struct *	vma,
		struct rb_node **	rb_link,
		struct rb_node *	rb_parent
	)

Definition at line 421 of file mmap.c.

unsigned long arch_get_unmapped_area	(	struct file *	filp,
		unsigned long	addr,
		unsigned long	len,
		unsigned long	pgoff,
		unsigned long	flags
	)

Definition at line 1416 of file mmap.c.

unsigned long arch_get_unmapped_area_topdown	(	struct file *	filp,
		const unsigned long	addr0,
		const unsigned long	len,
		const unsigned long	pgoff,
		const unsigned long	flags
	)

Definition at line 1488 of file mmap.c.

void arch_unmap_area	(	struct mm_struct *	mm,
		unsigned long	addr
	)

Definition at line 1473 of file mmap.c.

void arch_unmap_area_topdown	(	struct mm_struct *	mm,
		unsigned long	addr
	)

Definition at line 1579 of file mmap.c.

struct vm_area_struct* copy_vma	(	struct vm_area_struct **	vmap,
		unsigned long	addr,
		unsigned long	len,
		pgoff_t	pgoff,
		bool *	need_rmap_locks
	)

read

Definition at line 2375 of file mmap.c.

unsigned long do_mmap_pgoff	(	struct file *	file,
		unsigned long	addr,
		unsigned long	len,
		unsigned long	prot,
		unsigned long	flags,
		unsigned long	pgoff
	)

Definition at line 1002 of file mmap.c.

int do_munmap	(	struct mm_struct *	mm,
		unsigned long	start,
		size_t	len
	)

Definition at line 2068 of file mmap.c.

void exit_mmap ( struct mm_struct * mm )

Definition at line 2287 of file mmap.c.

int expand_downwards	(	struct vm_area_struct *	vma,
		unsigned long	address
	)

Definition at line 1800 of file mmap.c.

int expand_stack	(	struct vm_area_struct *	vma,
		unsigned long	address
	)

Definition at line 1873 of file mmap.c.

EXPORT_SYMBOL ( vm_get_page_prot )

EXPORT_SYMBOL ( get_unmapped_area )

EXPORT_SYMBOL ( find_vma )

EXPORT_SYMBOL ( vm_munmap )

EXPORT_SYMBOL ( vm_brk )

struct vm_area_struct* find_extend_vma	(	struct mm_struct *	mm,
		unsigned long	addr
	)

read

Definition at line 1879 of file mmap.c.

struct anon_vma* find_mergeable_anon_vma ( struct vm_area_struct * vma )

read

Definition at line 935 of file mmap.c.

struct vm_area_struct* find_vma	(	struct mm_struct *	mm,
		unsigned long	addr
	)

read

Definition at line 1627 of file mmap.c.

struct vm_area_struct* find_vma_prev	(	struct mm_struct *	mm,
		unsigned long	addr,
		struct vm_area_struct **	pprev
	)

read

Definition at line 1669 of file mmap.c.

unsigned long get_unmapped_area	(	struct file *	file,
		unsigned long	addr,
		unsigned long	len,
		unsigned long	pgoff,
		unsigned long	flags
	)

Definition at line 1593 of file mmap.c.

int insert_vm_struct	(	struct mm_struct *	mm,
		struct vm_area_struct *	vma
	)

Definition at line 2339 of file mmap.c.

int install_special_mapping	(	struct mm_struct *	mm,
		unsigned long	addr,
		unsigned long	len,
		unsigned long	vm_flags,
		struct page **	pages
	)

Definition at line 2518 of file mmap.c.

int may_expand_vm	(	struct mm_struct *	mm,
		unsigned long	npages
	)

Definition at line 2457 of file mmap.c.

void mm_drop_all_locks ( struct mm_struct * mm )

Definition at line 2701 of file mmap.c.

int mm_take_all_locks ( struct mm_struct * mm )

Definition at line 2630 of file mmap.c.

void __init mmap_init ( void )

Definition at line 2723 of file mmap.c.

unsigned long mmap_region	(	struct file *	file,
		unsigned long	addr,
		unsigned long	len,
		unsigned long	flags,
		vm_flags_t	vm_flags,
		unsigned long	pgoff
	)

Definition at line 1243 of file mmap.c.

int split_vma	(	struct mm_struct *	mm,
		struct vm_area_struct *	vma,
		unsigned long	addr,
		int	new_below
	)

Definition at line 2054 of file mmap.c.

SYSCALL_DEFINE1	(	brk	,
		unsigned	long,
		brk
	)

Definition at line 237 of file mmap.c.

SYSCALL_DEFINE2	(	munmap	,
		unsigned	long,
		addr	,
		size_t	,
		len
	)

Definition at line 2162 of file mmap.c.

SYSCALL_DEFINE6	(	mmap_pgoff	,
		unsigned	long,
		addr	,
		unsigned	long,
		len	,
		unsigned	long,
		prot	,
		unsigned	long,
		flags	,
		unsigned	long,
		fd	,
		unsigned	long,
		pgoff
	)

Definition at line 1133 of file mmap.c.

void unlink_file_vma ( struct vm_area_struct * vma )

Definition at line 206 of file mmap.c.

unsigned long vm_brk	(	unsigned long	addr,
		unsigned long	len
	)

Definition at line 2274 of file mmap.c.

pgprot_t vm_get_page_prot ( unsigned long vm_flags )

Definition at line 74 of file mmap.c.

int vm_munmap	(	unsigned long	start,
		size_t	len
	)

Definition at line 2150 of file mmap.c.

int vma_adjust	(	struct vm_area_struct *	vma,
		unsigned long	start,
		unsigned long	end,
		pgoff_t	pgoff,
		struct vm_area_struct *	insert
	)

Definition at line 518 of file mmap.c.

struct vm_area_struct* vma_merge	(	struct mm_struct *	mm,
		struct vm_area_struct *	prev,
		unsigned long	addr,
		unsigned long	end,
		unsigned long	vm_flags,
		struct anon_vma *	anon_vma,
		struct file *	file,
		pgoff_t	pgoff,
		struct mempolicy *	policy
	)

read

Definition at line 797 of file mmap.c.

int vma_wants_writenotify ( struct vm_area_struct * vma )

Definition at line 1201 of file mmap.c.

Variable Documentation

struct percpu_counter vm_committed_as ____cacheline_aligned_in_smp

Definition at line 89 of file mmap.c.

int sysctl_max_map_count __read_mostly = OVERCOMMIT_GUESS

Definition at line 82 of file mmap.c.

pgprot_t protection_map[16]

Initial value:

= {
    __P000, __P001, __P010, __P011, __P100, __P101, __P110, __P111,
    __S000, __S001, __S010, __S011, __S100, __S101, __S110, __S111
}

Definition at line 69 of file mmap.c.

Macros

Functions

Variables

Macro Definition Documentation

Function Documentation

Variable Documentation