--- researchv9/sys/h/share.h	2018/04/24 17:21:59	1.1
+++ researchv9/sys/h/share.h	2018/04/24 17:30:02	1.1.1.2
@@ -10,18 +10,18 @@ struct sh_consts
 	u_short	sc_delta;	/* Run rate for scheduler in secs. */
 	u_short	sc_maxusers;	/* Max. number of active users */
 	u_short	sc_maxgroups;	/* Max. group nesting */
-	u_long	sc_sparep0;	/* <spare> */
+	float	sc_ratedecay;	/* Decay rate for ``kl_rate'' */
 	float	sc_maxpri;	/* Max. absolute priority */
 	float	sc_maxupri;	/* Max. priority for a normal process */
 	float	sc_maxusage;	/* Max. usage considered */
-	float	sc_decay;	/* Decay factor for ``l_usage'' */
+	float	sc_decay;	/* Decay rate for ``l_usage'' */
 	u_long	sc_pridecbase;	/* Base for decay for ``p_sharepri'' */
 	u_long	sc_syscall;	/* Cost of system call */
 	u_long	sc_bio;		/*   "  "  logical block i/o */
 	u_long	sc_tio;		/*   "  "  stream i/o */
 	u_long	sc_tick;	/*   "  "  cpu tick */
 	u_long	sc_click;	/*   "  "  memory tick */
-	float	sc_pridecay;	/* Decay rate for maximally niced processes */
+	float	sc_pridecay;	/* Decay rate for max nice ``p_sharepri'' */
 	float	sc_maxushare;	/* Factor for max effective user share */
 	float	sc_mingshare;	/* Factor for min effective group share */
 	u_long	sc_sparep[1];	/* <spare> */
@@ -44,6 +44,7 @@ struct sh_consts
 
 extern struct sh_consts	shconsts;
 
+#define	DecayRate	shconsts.sc_ratedecay
 #define	DecayUsage	shconsts.sc_decay
 #define	Delta		shconsts.sc_delta
 #define	Groups		shconsts.sc_groups
@@ -92,10 +93,16 @@ extern struct sh_consts	shconsts;
 extern long		NiceTicks[];
 
 /*
-**	Table for pre-calculated priority decays
+**	Table for pre-calculated priority decays.
 */
 
 extern float		NiceDecays[];
+
+/*
+**	Table for pre-calculated rate increments.
+*/
+
+extern float		NiceRates[];
 #endif	KERNEL
 
 #define	_SHARE_		1