*** nfs_serv.c	Fri Jun 13 10:38:17 2003
--- nfs_serv.c.orig	Fri Jun 13 10:35:33 2003
***************
*** 107,113 ****
  
  #define MAX_COMMIT_COUNT	(1024 * 1024)
  
! #define NUM_HEURISTIC		1017
  #define NHUSE_INIT		64
  #define NHUSE_INC		16
  #define NHUSE_MAX		2048
--- 107,113 ----
  
  #define MAX_COMMIT_COUNT	(1024 * 1024)
  
! #define NUM_HEURISTIC		64
  #define NHUSE_INIT		64
  #define NHUSE_INC		16
  #define NHUSE_MAX		2048
***************
*** 857,869 ****
  
  	{
  		int hi;
! 		int try = 32;
  
  		/*
  		 * Locate best candidate
  		 */
  
! 		hi = ((int)(vm_offset_t)vp / sizeof(struct vnode)) % NUM_HEURISTIC;
  		nh = &nfsheur[hi];
  
  		while (try--) {
--- 857,869 ----
  
  	{
  		int hi;
! 		int try = 4;
  
  		/*
  		 * Locate best candidate
  		 */
  
! 		hi = ((int)(vm_offset_t)vp / sizeof(struct vnode)) & (NUM_HEURISTIC - 1);
  		nh = &nfsheur[hi];
  
  		while (try--) {
***************
*** 873,879 ****
  			}
  			if (nfsheur[hi].nh_use > 0)
  				--nfsheur[hi].nh_use;
! 			hi = (hi + 1) % NUM_HEURISTIC;
  			if (nfsheur[hi].nh_use < nh->nh_use)
  				nh = &nfsheur[hi];
  		}
--- 873,879 ----
  			}
  			if (nfsheur[hi].nh_use > 0)
  				--nfsheur[hi].nh_use;
! 			hi = (hi + 1) & (NUM_HEURISTIC - 1);
  			if (nfsheur[hi].nh_use < nh->nh_use)
  				nh = &nfsheur[hi];
  		}