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Length: 872 (0x368)
Types: TextFile
Notes: UNIX file
Names: »vmtune.h«
└─⟦26887b7e0⟧ Bits:30009717 Comet 32 harddisk image
└─⟦28c352965⟧ »/a« UNIX Filesystem
└─⟦this⟧ »usr/include/sys/vmtune.h«
/* * @(#)vmtune.h 3.4 7/14/83 * @(#)Copyright (C) 1983 by National Semiconductor Corp. */ /* * Tunable performance parameters * * TENTATIVE!!!! */ #define LOTSFREE 90 /* don't work hard at swapping */ #define DESFREE 50 /* minimum desirable free memory */ #define MINFREE 10 /* getting desperate, swap something */ #define MAXSLP 5 /* max blocked time (in seconds) allowed before being very swappable */ #define MAXPGIO 12 /* max desired paging i/o per second */ #ifdef KERNEL extern int maxslp; extern int maxpgio; extern int minfree; extern int desfree; extern int lotsfree; extern int avefree; extern int avefree30; extern int deficit; /* estimate of needs of new swapped in procs */ extern int pagesfree; #endif /* Average new into old with aging factor time */ #define ave(smooth, cnt, time) \ smooth = ((time - 1) * (smooth) + (cnt)) / (time)