1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 **************************************************************************** 11 ****************************************************************************/ 12 #ifndef _LINUX_PAGEMAP_H 13 #define _LINUX_PAGEMAP_H 14 15 #include <linux/mm.h> 16 #include <linux/fs.h> 17 #include <linux/list.h> 18 #include <linux/highmem.h> 19 #include <linux/compiler.h> 20 #include <asm/uaccess.h> 21 #include <linux/gfp.h> 22 23 #define AS_EIO (__GFP_BITS_SHIFT + 0) 24 #define AS_ENOSPC (__GFP_BITS_SHIFT + 1) 25 26 #define PAGE_CACHE_SHIFT PAGE_SHIFT 27 #define PAGE_CACHE_SIZE PAGE_SIZE 28 #define PAGE_CACHE_MASK PAGE_MASK 29 #define PAGE_CACHE_ALIGN(addr) (((addr)+PAGE_CACHE_SIZE-1)&PAGE_CACHE_MASK) 30 #define page_cache_get(page) get_page(page) 31 #define page_cache_release(page) put_page(page) 32 33 #endif 34
