1*f80ad8b4SAndroid Build Coastguard Worker /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2*f80ad8b4SAndroid Build Coastguard Worker #ifndef FADVISE_H_INCLUDED 3*f80ad8b4SAndroid Build Coastguard Worker #define FADVISE_H_INCLUDED 4*f80ad8b4SAndroid Build Coastguard Worker 5*f80ad8b4SAndroid Build Coastguard Worker #define POSIX_FADV_NORMAL 0 /* No further special treatment. */ 6*f80ad8b4SAndroid Build Coastguard Worker #define POSIX_FADV_RANDOM 1 /* Expect random page references. */ 7*f80ad8b4SAndroid Build Coastguard Worker #define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */ 8*f80ad8b4SAndroid Build Coastguard Worker #define POSIX_FADV_WILLNEED 3 /* Will need these pages. */ 9*f80ad8b4SAndroid Build Coastguard Worker 10*f80ad8b4SAndroid Build Coastguard Worker /* 11*f80ad8b4SAndroid Build Coastguard Worker * The advise values for POSIX_FADV_DONTNEED and POSIX_ADV_NOREUSE 12*f80ad8b4SAndroid Build Coastguard Worker * for s390-64 differ from the values for the rest of the world. 13*f80ad8b4SAndroid Build Coastguard Worker */ 14*f80ad8b4SAndroid Build Coastguard Worker #if defined(__s390x__) 15*f80ad8b4SAndroid Build Coastguard Worker #define POSIX_FADV_DONTNEED 6 /* Don't need these pages. */ 16*f80ad8b4SAndroid Build Coastguard Worker #define POSIX_FADV_NOREUSE 7 /* Data will be accessed once. */ 17*f80ad8b4SAndroid Build Coastguard Worker #else 18*f80ad8b4SAndroid Build Coastguard Worker #define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */ 19*f80ad8b4SAndroid Build Coastguard Worker #define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */ 20*f80ad8b4SAndroid Build Coastguard Worker #endif 21*f80ad8b4SAndroid Build Coastguard Worker 22*f80ad8b4SAndroid Build Coastguard Worker #endif /* FADVISE_H_INCLUDED */ 23