svn commit: r243628 - head/sys/sys

[Andre Oppermann]

Author: andre
Date: Tue Nov 27 20:16:01 2012
New Revision: 243628
URL: http://svnweb.freebsd.org/changeset/base/243628

Log:
  Update comment to prefer M_NOWAIT over M_DONTWAIT and
  M_WAITOK over M_WAIT.
  
  MFC after:	1 week

Modified:
  head/sys/sys/mbuf.h

Modified: head/sys/sys/mbuf.h
==============================================================================
--- head/sys/sys/mbuf.h	Tue Nov 27 20:04:52 2012	(r243627)
+++ head/sys/sys/mbuf.h	Tue Nov 27 20:16:01 2012	(r243628)
@@ -349,8 +349,8 @@ struct mbstat {
  * Flags specifying how an allocation should be made.
  *
  * The flag to use is as follows:
- * - M_DONTWAIT or M_NOWAIT from an interrupt handler to not block allocation.
- * - M_WAIT or M_WAITOK from wherever it is safe to block.
+ * - M_NOWAIT (M_DONTWAIT) from an interrupt handler to not block allocation.
+ * - M_WAITOK (M_WAIT) from wherever it is safe to block.
  *
  * M_DONTWAIT/M_NOWAIT means that we will not block the thread explicitly and
  * if we cannot allocate immediately we may return NULL, whereas