highmem.h File Reference

#include <linux/fs.h>
#include <linux/kernel.h>
#include <linux/bug.h>
#include <linux/mm.h>
#include <linux/uaccess.h>
#include <linux/hardirq.h>
#include <asm/cacheflush.h>
#include <asm/kmap_types.h>

Go to the source code of this file.

Macros
#define	totalhigh_pages   0UL
#define	kmap_atomic_prot(page, prot)   kmap_atomic(page)
#define	kmap_atomic_pfn(pfn)   kmap_atomic(pfn_to_page(pfn))
#define	kmap_atomic_to_page(ptr)   virt_to_page(ptr)
#define	kmap_flush_unused()   do {} while(0)
#define	kunmap_atomic(addr)

Macro Definition Documentation

#define kmap_atomic_pfn

(

pfn

)

kmap_atomic(pfn_to_page(pfn))

Definition at line 78 of file highmem.h.

#define kmap_atomic_prot	(		page,
			prot
	)		kmap_atomic(page)

Definition at line 71 of file highmem.h.

#define kmap_atomic_to_page

(

ptr

)

virt_to_page(ptr)

Definition at line 79 of file highmem.h.

#define kmap_flush_unused

(

)

do {} while(0)

Definition at line 81 of file highmem.h.

#define kunmap_atomic

(

addr

)

Value:

do {                                                            \
    BUILD_BUG_ON(__same_type((addr), struct page *));       \
    __kunmap_atomic(addr);                                  \
} while (0)

Definition at line 123 of file highmem.h.

#define totalhigh_pages   0UL

Definition at line 53 of file highmem.h.