| 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| 2 | #ifndef LINUX_KERNEL_PAGE_FLAGS_H |
| 3 | #define LINUX_KERNEL_PAGE_FLAGS_H |
| 4 | |
| 5 | /* |
| 6 | * Stable page flag bits exported to user space |
| 7 | */ |
| 8 | |
| 9 | #define KPF_LOCKED 0 |
| 10 | #define KPF_ERROR 1 /* Now unused */ |
| 11 | #define KPF_REFERENCED 2 |
| 12 | #define KPF_UPTODATE 3 |
| 13 | #define KPF_DIRTY 4 |
| 14 | #define KPF_LRU 5 |
| 15 | #define KPF_ACTIVE 6 |
| 16 | #define KPF_SLAB 7 |
| 17 | #define KPF_WRITEBACK 8 |
| 18 | #define KPF_RECLAIM 9 |
| 19 | #define KPF_BUDDY 10 |
| 20 | |
| 21 | /* 11-20: new additions in 2.6.31 */ |
| 22 | #define KPF_MMAP 11 |
| 23 | #define KPF_ANON 12 |
| 24 | #define KPF_SWAPCACHE 13 |
| 25 | #define KPF_SWAPBACKED 14 |
| 26 | #define KPF_COMPOUND_HEAD 15 |
| 27 | #define KPF_COMPOUND_TAIL 16 |
| 28 | #define KPF_HUGE 17 |
| 29 | #define KPF_UNEVICTABLE 18 |
| 30 | #define KPF_HWPOISON 19 |
| 31 | #define KPF_NOPAGE 20 |
| 32 | |
| 33 | #define KPF_KSM 21 |
| 34 | #define KPF_THP 22 |
| 35 | #define KPF_OFFLINE 23 |
| 36 | #define KPF_ZERO_PAGE 24 |
| 37 | #define KPF_IDLE 25 |
| 38 | #define KPF_PGTABLE 26 |
| 39 | |
| 40 | #endif /* LINUX_KERNEL_PAGE_FLAGS_H */ |