34 строки
848 B
C
34 строки
848 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _GFP_H
|
|
#define _GFP_H
|
|
|
|
#include <linux/types.h>
|
|
|
|
#define __GFP_BITS_SHIFT 26
|
|
#define __GFP_BITS_MASK ((gfp_t)((1 << __GFP_BITS_SHIFT) - 1))
|
|
|
|
#define __GFP_HIGH 0x20u
|
|
#define __GFP_IO 0x40u
|
|
#define __GFP_FS 0x80u
|
|
#define __GFP_NOWARN 0x200u
|
|
#define __GFP_ZERO 0x8000u
|
|
#define __GFP_ATOMIC 0x80000u
|
|
#define __GFP_ACCOUNT 0x100000u
|
|
#define __GFP_DIRECT_RECLAIM 0x400000u
|
|
#define __GFP_KSWAPD_RECLAIM 0x2000000u
|
|
|
|
#define __GFP_RECLAIM (__GFP_DIRECT_RECLAIM|__GFP_KSWAPD_RECLAIM)
|
|
|
|
#define GFP_ZONEMASK 0x0fu
|
|
#define GFP_ATOMIC (__GFP_HIGH|__GFP_ATOMIC|__GFP_KSWAPD_RECLAIM)
|
|
#define GFP_KERNEL (__GFP_RECLAIM | __GFP_IO | __GFP_FS)
|
|
#define GFP_NOWAIT (__GFP_KSWAPD_RECLAIM)
|
|
|
|
|
|
static inline bool gfpflags_allow_blocking(const gfp_t gfp_flags)
|
|
{
|
|
return !!(gfp_flags & __GFP_DIRECT_RECLAIM);
|
|
}
|
|
|
|
#endif
|