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Annotation of 43BSD/sys/h/vadvise.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1982, 1986 Regents of the University of California.
        !             3:  * All rights reserved.  The Berkeley software License Agreement
        !             4:  * specifies the terms and conditions for redistribution.
        !             5:  *
        !             6:  *     @(#)vadvise.h   7.1 (Berkeley) 6/4/86
        !             7:  */
        !             8: 
        !             9: /*
        !            10:  * Parameters to vadvise() to tell system of particular paging
        !            11:  * behaviour:
        !            12:  *     VA_NORM         Normal strategy
        !            13:  *     VA_ANOM         Sampling page behaviour is not a win, don't bother
        !            14:  *                     Suitable during GCs in LISP, or sequential or random
        !            15:  *                     page referencing.
        !            16:  *     VA_SEQL         Sequential behaviour expected.
        !            17:  *     VA_FLUSH        Invalidate all page table entries.
        !            18:  */
        !            19: #define        VA_NORM 0
        !            20: #define        VA_ANOM 1
        !            21: #define        VA_SEQL 2
        !            22: #define        VA_FLUSH 3

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