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cache_prune: use (a - b > 0) rather than (a > b) to compare ticks.

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This commit is contained in:
yamt 2009-01-16 06:59:21 +00:00
parent 23a9d45ee2
commit ae07703384
1 changed files with 3 additions and 3 deletions
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6
sys/kern/vfs_cache.c
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@ -1,4 +1,4 @@
/* $NetBSD: vfs_cache.c,v 1.80 2008/10/25 14:20:17 yamt Exp $ */
/* $NetBSD: vfs_cache.c,v 1.81 2009/01/16 06:59:21 yamt Exp $ */
/*-
* Copyright (c) 2008 The NetBSD Foundation, Inc.
@ -58,7 +58,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: vfs_cache.c,v 1.80 2008/10/25 14:20:17 yamt Exp $");
__KERNEL_RCSID(0, "$NetBSD: vfs_cache.c,v 1.81 2009/01/16 06:59:21 yamt Exp $");
#include "opt_ddb.h"
#include "opt_revcache.h"
@ -882,7 +882,7 @@ cache_prune(int incache, int target)
*/
tryharder = 1;
}
if (!tryharder && ncp->nc_hittime > recent) {
if (!tryharder && (ncp->nc_hittime - recent) > 0) {
if (sentinel == NULL)
sentinel = ncp;
TAILQ_REMOVE(&nclruhead, ncp, nc_lru);