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Annotation of 43BSDTahoe/sys/h/dmap.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:  *     @(#)dmap.h      7.1 (Berkeley) 6/4/86
        !             7:  */
        !             8: 
        !             9: /*
        !            10:  * Definitions for the mapping of vitual swap
        !            11:  * space to the physical swap area - the disk map.
        !            12:  */
        !            13: 
        !            14: #define        NDMAP           38      /* size of the swap area map */
        !            15: 
        !            16: struct dmap
        !            17: {
        !            18:        swblk_t dm_size;        /* current size used by process */
        !            19:        swblk_t dm_alloc;       /* amount of physical swap space allocated */
        !            20:        swblk_t dm_map[NDMAP];  /* first disk block number in each chunk */
        !            21: };
        !            22: #ifdef KERNEL
        !            23: struct dmap zdmap;
        !            24: int    dmmin, dmmax, dmtext;
        !            25: #endif
        !            26: 
        !            27: /*
        !            28:  * The following structure is that ``returned''
        !            29:  * from a call to vstodb().
        !            30:  */
        !            31: struct dblock
        !            32: {
        !            33:        swblk_t db_base;        /* base of physical contig drum block */
        !            34:        swblk_t db_size;        /* size of block */
        !            35: };

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