svn commit: r363890 - head/sys/kern

Mateusz Guzik mjg at FreeBSD.org
Wed Aug 5 09:24:01 UTC 2020


Author: mjg
Date: Wed Aug  5 09:24:00 2020
New Revision: 363890
URL: https://svnweb.freebsd.org/changeset/base/363890

Log:
  cache: convert ncnegnash into a macro
  
  It is a read-only var with value known at compilation time.

Modified:
  head/sys/kern/vfs_cache.c

Modified: head/sys/kern/vfs_cache.c
==============================================================================
--- head/sys/kern/vfs_cache.c	Wed Aug  5 09:19:41 2020	(r363889)
+++ head/sys/kern/vfs_cache.c	Wed Aug  5 09:24:00 2020	(r363890)
@@ -284,8 +284,8 @@ static struct neglist __read_mostly	*neglists;
 static struct neglist ncneg_hot;
 static u_long numhotneg;
 
-#define	numneglists (ncneghash + 1)
-static u_int __read_mostly	ncneghash;
+#define ncneghash	3
+#define	numneglists	(ncneghash + 1)
 static inline struct neglist *
 NCP2NEGLIST(struct namecache *ncp)
 {
@@ -2091,7 +2091,6 @@ nchinit(void *dummy __unused)
 		mtx_init(&vnodelocks[i], "ncvn", NULL, MTX_DUPOK | MTX_RECURSE);
 	ncpurgeminvnodes = numbucketlocks * 2;
 
-	ncneghash = 3;
 	neglists = malloc(sizeof(*neglists) * numneglists, M_VFSCACHE,
 	    M_WAITOK | M_ZERO);
 	for (i = 0; i < numneglists; i++) {


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