Author: mjg
Date: Thu Oct 15 17:42:22 2020
New Revision: 366734
URL: https://svnweb.freebsd.org/changeset/base/366734
Log:
cache: make neglist an array given the static size
Modified:
head/sys/kern/vfs_cache.c
Modified: head/sys/kern/vfs_cache.c
==============================================================================
--- head/sys/kern/vfs_cache.c Thu Oct 15 17:40:02 2020 (r366733)
+++ head/sys/kern/vfs_cache.c Thu Oct 15 17:42:22 2020 (r366734)
@@ -305,17 +305,18 @@ SYSCTL_BOOL(_vfs, OID_AUTO, cache_fast_revlookup, CTLF
static struct mtx __exclusive_cache_line ncneg_shrink_lock;
+#define ncneghash 3
+#define numneglists (ncneghash + 1)
+
struct neglist {
struct mtx nl_lock;
TAILQ_HEAD(, namecache) nl_list;
} __aligned(CACHE_LINE_SIZE);
-static struct neglist __read_mostly *neglists;
+static struct neglist neglists[numneglists];
static struct neglist ncneg_hot;
static u_long numhotneg;
-#define ncneghash 3
-#define numneglists (ncneghash + 1)
static inline struct neglist *
NCP2NEGLIST(struct namecache *ncp)
{
@@ -2091,8 +2092,6 @@ nchinit(void *dummy __unused)
for (i = 0; i < numvnodelocks; i++)
mtx_init(&vnodelocks[i], "ncvn", NULL, MTX_DUPOK | MTX_RECURSE);
- neglists = malloc(sizeof(*neglists) * numneglists, M_VFSCACHE,
- M_WAITOK | M_ZERO);
for (i = 0; i < numneglists; i++) {
mtx_init(&neglists[i].nl_lock, "ncnegl", NULL, MTX_DEF);
TAILQ_INIT(&neglists[i].nl_list);
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