highmem.h File Reference

#include <asm/kmap_types.h>

Go to the source code of this file.

Macros
#define	PKMAP_BASE   (PAGE_OFFSET - PMD_SIZE)
#define	LAST_PKMAP   PTRS_PER_PTE
#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_KERNEL
#define	flush_cache_kmaps()
#define	ARCH_NEEDS_KMAP_HIGH_GET

Functions
void *	kmap_high (struct page *page)
void	kunmap_high (struct page *page)
void *	kmap_high_get (struct page *page)

Variables
pte_t *	pkmap_page_table

Macro Definition Documentation

#define ARCH_NEEDS_KMAP_HIGH_GET

Definition at line 36 of file highmem.h.

#define flush_cache_kmaps

(

void

)

Value:

do { \
        if (cache_is_vivt()) \
            flush_cache_all(); \
    } while (0)

Definition at line 14 of file highmem.h.

#define kmap_prot   PAGE_KERNEL

Definition at line 12 of file highmem.h.

#define LAST_PKMAP   PTRS_PER_PTE

Definition at line 7 of file highmem.h.

#define LAST_PKMAP_MASK   (LAST_PKMAP - 1)

Definition at line 8 of file highmem.h.

#define PKMAP_ADDR

(

nr

)

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

Definition at line 10 of file highmem.h.

#define PKMAP_BASE   (PAGE_OFFSET - PMD_SIZE)

Definition at line 6 of file highmem.h.

#define PKMAP_NR

(

virt

)

(((virt) - PKMAP_BASE) >> PAGE_SHIFT)

Definition at line 9 of file highmem.h.

Function Documentation

void* kmap_high

(

struct page *

page

)

void* kmap_high_get

(

struct page *

page

)

void kunmap_high

(

struct page *

page

)

Variable Documentation

pte_t* pkmap_page_table