Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#ifndef _GFP_H
2#define _GFP_H
3
4#include <linux/types.h>
5
6#define __GFP_BITS_SHIFT 26
7#define __GFP_BITS_MASK ((gfp_t)((1 << __GFP_BITS_SHIFT) - 1))
8
9#define __GFP_HIGH 0x20u
10#define __GFP_IO 0x40u
11#define __GFP_FS 0x80u
12#define __GFP_NOWARN 0x200u
13#define __GFP_ATOMIC 0x80000u
14#define __GFP_ACCOUNT 0x100000u
15#define __GFP_DIRECT_RECLAIM 0x400000u
16#define __GFP_KSWAPD_RECLAIM 0x2000000u
17
18#define __GFP_RECLAIM (__GFP_DIRECT_RECLAIM|__GFP_KSWAPD_RECLAIM)
19
20#define GFP_ATOMIC (__GFP_HIGH|__GFP_ATOMIC|__GFP_KSWAPD_RECLAIM)
21#define GFP_KERNEL (__GFP_RECLAIM | __GFP_IO | __GFP_FS)
22#define GFP_NOWAIT (__GFP_KSWAPD_RECLAIM)
23
24
25static inline bool gfpflags_allow_blocking(const gfp_t gfp_flags)
26{
27 return !!(gfp_flags & __GFP_DIRECT_RECLAIM);
28}
29
30#endif