highmem.h File Reference

#include <linux/interrupt.h>
#include <linux/threads.h>
#include <asm/tlbflush.h>
#include <asm/homecache.h>

Go to the source code of this file.

Macros
#define	LAST_PKMAP_MASK   (LAST_PKMAP-1)
#define	PKMAP_NR(virt)   ((virt-PKMAP_BASE) >> PAGE_SHIFT)
#define	PKMAP_ADDR(nr)   (PKMAP_BASE + ((nr) << PAGE_SHIFT))
#define	kmap_prot   page_to_kpgprot(page)
#define	flush_cache_kmaps()   do { } while (0)

Functions
void *	kmap_high (struct page *page)
void	kunmap_high (struct page *page)
void *	kmap (struct page *page)
void	kunmap (struct page *page)
void *	kmap_fix_kpte (struct page *page, int finished)
void *	kmap_atomic (struct page *page)
void	__kunmap_atomic (void *kvaddr)
void *	kmap_atomic_pfn (unsigned long pfn)
void *	kmap_atomic_prot_pfn (unsigned long pfn, pgprot_t prot)
struct page *	kmap_atomic_to_page (void *ptr)
void *	kmap_atomic_prot (struct page *page, pgprot_t prot)
void	kmap_atomic_fix_kpte (struct page *page, int finished)

Variables
unsigned long	highstart_pfn
unsigned long	highend_pfn
pte_t *	pkmap_page_table

Macro Definition Documentation

#define flush_cache_kmaps

(

void

)

do { } while (0)

Definition at line 70 of file highmem.h.

#define kmap_prot   page_to_kpgprot(page)

Definition at line 60 of file highmem.h.

#define LAST_PKMAP_MASK   (LAST_PKMAP-1)

Definition at line 49 of file highmem.h.

#define PKMAP_ADDR

(

nr

)

(PKMAP_BASE + ((nr) << PAGE_SHIFT))

Definition at line 51 of file highmem.h.

#define PKMAP_NR

(

virt

)

((virt-PKMAP_BASE) >> PAGE_SHIFT)

Definition at line 50 of file highmem.h.

Function Documentation

void __kunmap_atomic

(

void *

kvaddr

)

Definition at line 85 of file highmem.c.

void* kmap

(

struct page *

page

)

Definition at line 21 of file highmem.c.

void* kmap_atomic

(

struct page *

page

)

Definition at line 39 of file highmem.c.

void kmap_atomic_fix_kpte	(	struct page *	page,
		int	finished
	)

Definition at line 175 of file highmem.c.

void* kmap_atomic_pfn

(

unsigned long

pfn

)

Definition at line 111 of file highmem.c.

void* kmap_atomic_prot	(	struct page *	page,
		pgprot_t	prot
	)

Definition at line 34 of file highmem.c.

void* kmap_atomic_prot_pfn	(	unsigned long	pfn,
		pgprot_t	prot
	)

Definition at line 275 of file highmem.c.

struct page* kmap_atomic_to_page ( void *  ptr )

read

Definition at line 35 of file highmem.c.

void* kmap_fix_kpte	(	struct page *	page,
		int	finished
	)

void* kmap_high

(

struct page *

page

)

void kunmap

(

struct page *

page

)

Definition at line 30 of file highmem.c.

void kunmap_high

(

struct page *

page

)

Variable Documentation

unsigned long highend_pfn

Definition at line 45 of file init.c.

unsigned long highstart_pfn

Definition at line 45 of file init.c.

pte_t* pkmap_page_table