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Annotation of 41BSD/sys/h/vmklust.h, revision 1.1

1.1     ! root        1: /*     vmklust.h       4.1     11/9/80 */
        !             2: 
        !             3: /*
        !             4:  * Klustering constants.  Klustering is the gathering
        !             5:  * of pages together for pagein/pageout, while clustering
        !             6:  * is the treatment of hardware page size as though it were
        !             7:  * larger than it really is.
        !             8:  *
        !             9:  * KLMAX gives maximum cluster size in CLSIZE page (cluster-page)
        !            10:  * units.  Note that KLMAX*CLSIZE must be <= DMMIN in dmap.h.
        !            11:  */
        !            12: 
        !            13: #define        KLMAX   (16/CLSIZE)
        !            14: #define        KLIN    (4/CLSIZE)              /* Read up to 4 pages */
        !            15: #define        KLOUT   (16/CLSIZE)             /* Write up to 16 pages */
        !            16: 
        !            17: #ifdef KERNEL
        !            18: int    klin;
        !            19: int    klout;
        !            20: #endif

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