I added vfs_lowvnodes event, but it was only used for a short while and now

it is totally unused. Remove it.

MFC after:	3 days

3 files changed, 1 insertions, 6 deletions

diff --git a/sys/cddl/compat/opensolaris/sys/dnlc.h b/sys/cddl/compat/opensolaris/sys/dnlc.h
index e978e975bc8a..a2d4f01263fc 100644
--- a/sys/cddl/compat/opensolaris/sys/dnlc.h
+++ b/sys/cddl/compat/opensolaris/sys/dnlc.h
@@ -35,6 +35,6 @@
 #define	dnlc_update(dvp, name, vp)	do { } while (0)
 #define	dnlc_remove(dvp, name)		do { } while (0)
 #define	dnlc_purge_vfsp(vfsp, count)	(0)
-#define	dnlc_reduce_cache(percent)	EVENTHANDLER_INVOKE(vfs_lowvnodes, (int)(intptr_t)(percent))
+#define	dnlc_reduce_cache(percent)	do { } while (0)
 
 #endif	/* !_OPENSOLARIS_SYS_DNLC_H_ */
diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c
index ae182e008391..d93d2d804fa2 100644
--- a/sys/kern/vfs_subr.c
+++ b/sys/kern/vfs_subr.c
@@ -800,7 +800,6 @@ vnlru_proc(void)
 		}
 		mtx_unlock(&mountlist_mtx);
 		if (done == 0) {
-			EVENTHANDLER_INVOKE(vfs_lowvnodes, desiredvnodes / 10);
 #if 0
 			/* These messages are temporary debugging aids */
 			if (vnlru_nowhere < 5)
diff --git a/sys/sys/eventhandler.h b/sys/sys/eventhandler.h
index 47a0efc764af..8fa0cea4c38e 100644
--- a/sys/sys/eventhandler.h
+++ b/sys/sys/eventhandler.h
@@ -183,10 +183,6 @@ typedef void (*vm_lowmem_handler_t)(void *, int);
 #define	LOWMEM_PRI_DEFAULT	EVENTHANDLER_PRI_FIRST
 EVENTHANDLER_DECLARE(vm_lowmem, vm_lowmem_handler_t);
 
-/* Low vnodes event */
-typedef void (*vfs_lowvnodes_handler_t)(void *, int);
-EVENTHANDLER_DECLARE(vfs_lowvnodes, vfs_lowvnodes_handler_t);
-
 /* Root mounted event */
 typedef void (*mountroot_handler_t)(void *);
 EVENTHANDLER_DECLARE(mountroot, mountroot_handler_t);