/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UAPILINUX_KERNEL_PAGE_FLAGS_H
#define _UAPILINUX_KERNEL_PAGE_FLAGS_H

/*
 * Stable page flag bits exported to user space
 */

#define KPF_LOCKED              0
#define KPF_ERROR               1       /* Now unused */
#define KPF_REFERENCED          2
#define KPF_UPTODATE            3
#define KPF_DIRTY               4
#define KPF_LRU                 5
#define KPF_ACTIVE              6
#define KPF_SLAB                7
#define KPF_WRITEBACK           8
#define KPF_RECLAIM             9
#define KPF_BUDDY               10

/* 11-20: new additions in 2.6.31 */
#define KPF_MMAP                11
#define KPF_ANON                12
#define KPF_SWAPCACHE           13
#define KPF_SWAPBACKED          14
#define KPF_COMPOUND_HEAD       15
#define KPF_COMPOUND_TAIL       16
#define KPF_HUGE                17
#define KPF_UNEVICTABLE         18
#define KPF_HWPOISON            19
#define KPF_NOPAGE              20

#define KPF_KSM                 21
#define KPF_THP                 22
#define KPF_OFFLINE             23
#define KPF_ZERO_PAGE           24
#define KPF_IDLE                25
#define KPF_PGTABLE             26

#endif /* _UAPILINUX_KERNEL_PAGE_FLAGS_H */