Author: jmg
Date: Mon Aug 26 18:53:19 2013
New Revision: 254932
URL: http://svnweb.freebsd.org/changeset/base/254932

Log:
  fix up some comments and a white space issue...
  
  MFC after:    3 days

Modified:
  head/sys/kern/kern_event.c

Modified: head/sys/kern/kern_event.c
==============================================================================
--- head/sys/kern/kern_event.c  Mon Aug 26 18:51:48 2013        (r254931)
+++ head/sys/kern/kern_event.c  Mon Aug 26 18:53:19 2013        (r254932)
@@ -565,7 +565,7 @@ filt_timerattach(struct knote *kn)
            memory_order_relaxed));
 
        kn->kn_flags |= EV_CLEAR;               /* automatically set */
-       kn->kn_status &= ~KN_DETACHED;          /* knlist_add usually sets it */
+       kn->kn_status &= ~KN_DETACHED;          /* knlist_add clears it */
        calloutp = malloc(sizeof(*calloutp), M_KQUEUE, M_WAITOK);
        callout_init(calloutp, CALLOUT_MPSAFE);
        kn->kn_hook = calloutp;
@@ -587,7 +587,7 @@ filt_timerdetach(struct knote *kn)
        free(calloutp, M_KQUEUE);
        old = atomic_fetch_sub_explicit(&kq_ncallouts, 1, memory_order_relaxed);
        KASSERT(old > 0, ("Number of callouts cannot become negative"));
-       kn->kn_status |= KN_DETACHED;   /* knlist_remove usually clears it */
+       kn->kn_status |= KN_DETACHED;   /* knlist_remove sets it */
 }
 
 static int
@@ -1467,7 +1467,7 @@ retry:
                                *kevp = kn->kn_kevent;
                        KQ_LOCK(kq);
                        KQ_GLOBAL_UNLOCK(&kq_global, haskqglobal);
-                       if (kn->kn_flags & (EV_CLEAR |  EV_DISPATCH)) {
+                       if (kn->kn_flags & (EV_CLEAR | EV_DISPATCH)) {
                                /* 
                                 * Manually clear knotes who weren't 
                                 * 'touch'ed.
@@ -1859,7 +1859,7 @@ knlist_remove_kq(struct knlist *knl, str
 }
 
 /*
- * remove all knotes from a specified klist
+ * remove knote from the specified knlist
  */
 void
 knlist_remove(struct knlist *knl, struct knote *kn, int islocked)
@@ -1869,7 +1869,7 @@ knlist_remove(struct knlist *knl, struct
 }
 
 /*
- * remove knote from a specified klist while in f_event handler.
+ * remove knote from the specified knlist while in f_event handler.
  */
 void
 knlist_remove_inevent(struct knlist *knl, struct knote *kn)
@@ -2002,7 +2002,7 @@ knlist_destroy(struct knlist *knl)
 #ifdef INVARIANTS
        /*
         * if we run across this error, we need to find the offending
-        * driver and have it call knlist_clear.
+        * driver and have it call knlist_clear or knlist_delete.
         */
        if (!SLIST_EMPTY(&knl->kl_list))
                printf("WARNING: destroying knlist w/ knotes on it!\n");
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