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diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c
--- a/sys/kern/vfs_subr.c
+++ b/sys/kern/vfs_subr.c
@@ -160,13 +160,6 @@
S_IFSOCK, S_IFIFO, S_IFMT, S_IFMT
};
-/*
- * List of allocates vnodes in the system.
- */
-static TAILQ_HEAD(freelst, vnode) vnode_list;
-static struct vnode *vnode_list_free_marker;
-static struct vnode *vnode_list_reclaim_marker;
-
/*
* "Free" vnode target. Free vnodes are rarely completely free, but are
* just ones that are cheap to recycle. Usually they are for files which
@@ -190,7 +183,7 @@
* E.g., 9% of 75% of MAXVNODES is more than 566000 vnodes to reclaim
* whenever vnlru_proc() becomes active.
*/
-static long wantfreevnodes;
+static long __read_mostly wantfreevnodes;
static long __exclusive_cache_line freevnodes;
static long freevnodes_old;
@@ -326,12 +319,26 @@
syncer_state;
/* Target for maximum number of vnodes. */
-u_long desiredvnodes;
-static u_long gapvnodes; /* gap between wanted and desired */
-static u_long vhiwat; /* enough extras after expansion */
+u_long __read_mostly desiredvnodes;
static u_long vlowat; /* minimal extras before expansion */
static bool vstir; /* nonzero to stir non-free vnodes */
-static volatile int vsmalltrigger = 8; /* pref to keep if > this many pages */
+/* pref to keep vnode if > this many resident pages */
+static volatile int __read_mostly vsmalltrigger = 8;
+
+/* Group globals accessed only under vnode_list_mtx together. */
+struct {
+ /* List of allocated vnodes in the system. */
+ TAILQ_HEAD(freelst, vnode) vnode_list;
+ struct vnode *vnode_list_free_marker;
+ struct vnode *vnode_list_reclaim_marker;
+ u_long gapvnodes; /* gap between wanted and desired */
+ u_long vhiwat; /* enough extras after expansion */
+} g_vnlru __exclusive_cache_line;
+#define vnode_list g_vnlru.vnode_list
+#define vnode_list_free_marker g_vnlru.vnode_list_free_marker
+#define vnode_list_reclaim_marker g_vnlru.vnode_list_reclaim_marker
+#define gapvnodes g_vnlru.gapvnodes
+#define vhiwat g_vnlru.vhiwat
static u_long vnlru_read_freevnodes(void);
@@ -1345,7 +1352,7 @@
return (done);
}
-static int max_free_per_call = 10000;
+static int __read_mostly max_free_per_call = 10000;
SYSCTL_INT(_debug, OID_AUTO, max_vnlru_free, CTLFLAG_RW, &max_free_per_call, 0,
"limit on vnode free requests per call to the vnlru_free routine (legacy)");
SYSCTL_INT(_vfs_vnode_vnlru, OID_AUTO, max_free_per_call, CTLFLAG_RW,
@@ -1535,7 +1542,7 @@
* Calling vlrurecycle() from the bowels of filesystem code has some
* interesting deadlock problems.
*/
-static struct proc *vnlruproc;
+static struct proc * __read_mostly vnlruproc;
static int vnlruproc_sig;
static u_long vnlruproc_kicks;

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