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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 6514 | serge | 1 | #ifndef _LINUX_SWAP_H |
| 2 | #define _LINUX_SWAP_H |
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| 3 | |||
| 4 | #include |
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| 6934 | serge | 5 | #include |
| 6 | #include |
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| 7 | #include |
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| 6514 | serge | 8 | |
| 9 | struct notifier_block; |
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| 10 | |||
| 11 | struct bio; |
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| 12 | |||
| 13 | #define SWAP_FLAG_PREFER 0x8000 /* set if swap priority specified */ |
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| 14 | #define SWAP_FLAG_PRIO_MASK 0x7fff |
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| 15 | #define SWAP_FLAG_PRIO_SHIFT 0 |
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| 16 | #define SWAP_FLAG_DISCARD 0x10000 /* enable discard for swap */ |
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| 17 | #define SWAP_FLAG_DISCARD_ONCE 0x20000 /* discard swap area at swapon-time */ |
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| 18 | #define SWAP_FLAG_DISCARD_PAGES 0x40000 /* discard page-clusters after use */ |
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| 19 | |||
| 20 | #define SWAP_FLAGS_VALID (SWAP_FLAG_PRIO_MASK | SWAP_FLAG_PREFER | \ |
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| 21 | SWAP_FLAG_DISCARD | SWAP_FLAG_DISCARD_ONCE | \ |
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| 22 | SWAP_FLAG_DISCARD_PAGES) |
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| 23 | |||
| 24 | |||
| 25 | #endif /* _LINUX_SWAP_H */ |