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_GFP_H 13#define __LINUX_GFP_H 14 15#include <linux/mmzone.h> 16#include <linux/stddef.h> 17#include <linux/linkage.h> 18 19struct vm_area_struct; 20 21#define __GFP_DMA ((__force gfp_t)0x01u) 22#define __GFP_HIGHMEM ((__force gfp_t)0x02u) 23#if BITS_PER_LONG < 64 24#define __GFP_DMA32 ((__force gfp_t)0x00) 25#else 26#define __GFP_DMA32 ((__force gfp_t)0x04) 27#endif 28 29#define __GFP_WAIT ((__force gfp_t)0x10u) 30#define __GFP_HIGH ((__force gfp_t)0x20u) 31#define __GFP_IO ((__force gfp_t)0x40u) 32#define __GFP_FS ((__force gfp_t)0x80u) 33#define __GFP_COLD ((__force gfp_t)0x100u) 34#define __GFP_NOWARN ((__force gfp_t)0x200u) 35#define __GFP_REPEAT ((__force gfp_t)0x400u) 36#define __GFP_NOFAIL ((__force gfp_t)0x800u) 37#define __GFP_NORETRY ((__force gfp_t)0x1000u) 38#define __GFP_NO_GROW ((__force gfp_t)0x2000u) 39#define __GFP_COMP ((__force gfp_t)0x4000u) 40#define __GFP_ZERO ((__force gfp_t)0x8000u) 41#define __GFP_NOMEMALLOC ((__force gfp_t)0x10000u) 42#define __GFP_HARDWALL ((__force gfp_t)0x20000u) 43 44#define __GFP_BITS_SHIFT 20 45#define __GFP_BITS_MASK ((__force gfp_t)((1 << __GFP_BITS_SHIFT) - 1)) 46 47#define GFP_LEVEL_MASK (__GFP_WAIT|__GFP_HIGH|__GFP_IO|__GFP_FS| __GFP_COLD|__GFP_NOWARN|__GFP_REPEAT| __GFP_NOFAIL|__GFP_NORETRY|__GFP_NO_GROW|__GFP_COMP| __GFP_NOMEMALLOC|__GFP_HARDWALL) 48 49#define GFP_NOWAIT (GFP_ATOMIC & ~__GFP_HIGH) 50 51#define GFP_ATOMIC (__GFP_HIGH) 52#define GFP_NOIO (__GFP_WAIT) 53#define GFP_NOFS (__GFP_WAIT | __GFP_IO) 54#define GFP_KERNEL (__GFP_WAIT | __GFP_IO | __GFP_FS) 55#define GFP_USER (__GFP_WAIT | __GFP_IO | __GFP_FS | __GFP_HARDWALL) 56#define GFP_HIGHUSER (__GFP_WAIT | __GFP_IO | __GFP_FS | __GFP_HARDWALL | __GFP_HIGHMEM) 57 58#define GFP_DMA __GFP_DMA 59 60#define GFP_DMA32 __GFP_DMA32 61 62#ifndef HAVE_ARCH_FREE_PAGE 63#endif 64 65#define alloc_pages(gfp_mask, order) alloc_pages_node(numa_node_id(), gfp_mask, order) 66#define alloc_page_vma(gfp_mask, vma, addr) alloc_pages(gfp_mask, 0) 67#define alloc_page(gfp_mask) alloc_pages(gfp_mask, 0) 68 69#define __get_free_page(gfp_mask) __get_free_pages((gfp_mask),0) 70 71#define __get_dma_pages(gfp_mask, order) __get_free_pages((gfp_mask) | GFP_DMA,(order)) 72 73#define __free_page(page) __free_pages((page), 0) 74#define free_page(addr) free_pages((addr),0) 75 76#endif 77