proc.h is only used for "syncerproc"

diff --git a/sys/kern/vfs_biomem.c b/sys/kern/vfs_biomem.c
index 3df45ecf349..2a3a7830ee2 100644
--- a/sys/kern/vfs_biomem.c
+++ b/sys/kern/vfs_biomem.c
@@ -22,7 +22,7 @@
 #include <sys/systm.h>
 #include <sys/buf.h>
 #include <sys/pool.h>
-#include <sys/proc.h>		/* XXX for atomic */
+#include <sys/proc.h>
 #include <sys/mount.h>
 
 #include <uvm/uvm_extern.h>