mmap.c File Reference

#include <linux/fs.h>
#include <linux/mm.h>
#include <linux/mman.h>
#include <linux/shm.h>
#include <linux/sched.h>
#include <linux/io.h>
#include <linux/personality.h>
#include <linux/random.h>
#include <asm/cachetype.h>

Go to the source code of this file.

Macros
#define	COLOUR_ALIGN(addr, pgoff)
#define	MIN_GAP   (128*1024*1024UL)
#define	MAX_GAP   ((TASK_SIZE)/6*5)

Functions
unsigned long	arch_get_unmapped_area (struct file *filp, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags)
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_pick_mmap_layout (struct mm_struct *mm)
int	valid_phys_addr_range (unsigned long addr, size_t size)
int	valid_mmap_phys_addr_range (unsigned long pfn, size_t size)

Macro Definition Documentation

#define COLOUR_ALIGN	(		addr,
			pgoff
	)

Value:

((((addr)+SHMLBA-1)&~(SHMLBA-1)) +  \
     (((pgoff)<<PAGE_SHIFT) & (SHMLBA-1)))

Definition at line 26 of file mmap.c.

#define MAX_GAP   ((TASK_SIZE)/6*5)

Definition at line 32 of file mmap.c.

#define MIN_GAP   (128*1024*1024UL)

Definition at line 31 of file mmap.c.

Function Documentation

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

Definition at line 67 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 150 of file mmap.c.

void arch_pick_mmap_layout

(

struct mm_struct *

mm

)

Definition at line 258 of file mmap.c.

int valid_mmap_phys_addr_range	(	unsigned long	pfn,
		size_t	size
	)

Definition at line 297 of file mmap.c.

int valid_phys_addr_range	(	unsigned long	addr,
		size_t	size
	)

Definition at line 282 of file mmap.c.