aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/libs/linux-headers/linux/fadvise.h
blob: 6d24302fa8011946584e243ea77ad71b13f81c3e (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 
#ifndef FADVISE_H_INCLUDED 
#define FADVISE_H_INCLUDED 
 
#define POSIX_FADV_NORMAL	0 /* No further special treatment.  */ 
#define POSIX_FADV_RANDOM	1 /* Expect random page references.  */ 
#define POSIX_FADV_SEQUENTIAL	2 /* Expect sequential page references.  */ 
#define POSIX_FADV_WILLNEED	3 /* Will need these pages.  */ 
 
/* 
 * The advise values for POSIX_FADV_DONTNEED and POSIX_ADV_NOREUSE 
 * for s390-64 differ from the values for the rest of the world. 
 */ 
#if defined(__s390x__) 
#define POSIX_FADV_DONTNEED	6 /* Don't need these pages.  */ 
#define POSIX_FADV_NOREUSE	7 /* Data will be accessed once.  */ 
#else 
#define POSIX_FADV_DONTNEED	4 /* Don't need these pages.  */ 
#define POSIX_FADV_NOREUSE	5 /* Data will be accessed once.  */ 
#endif 
 
#endif	/* FADVISE_H_INCLUDED */