/* vmklust.h 4.2 81/02/19 */ /* * Klustering constants. Klustering is the gathering * of pages together for pagein/pageout, while clustering * is the treatment of hardware page size as though it were * larger than it really is. * * KLMAX gives maximum cluster size in CLSIZE page (cluster-page) * units. Note that KLMAX*CLSIZE must be <= DMMIN in dmap.h. */ #define KLMAX (16/CLSIZE) #define KLIN (4/CLSIZE) /* Read up to 4 pages */ #define KLOUT (16/CLSIZE) /* Write up to 16 pages */ #ifdef KERNEL int klin; int klout; #endif