svn commit: r331423 - user/markj/vm-playground/sys/vm

Mark Johnston markj at FreeBSD.org
Fri Mar 23 14:34:42 UTC 2018


Author: markj
Date: Fri Mar 23 14:34:41 2018
New Revision: 331423
URL: https://svnweb.freebsd.org/changeset/base/331423

Log:
  m_new should not inherit queue state.
  
  Found with pho's contigmalloc.sh script.

Modified:
  user/markj/vm-playground/sys/vm/vm_page.c

Modified: user/markj/vm-playground/sys/vm/vm_page.c
==============================================================================
--- user/markj/vm-playground/sys/vm/vm_page.c	Fri Mar 23 13:52:26 2018	(r331422)
+++ user/markj/vm-playground/sys/vm/vm_page.c	Fri Mar 23 14:34:41 2018	(r331423)
@@ -2762,7 +2762,8 @@ retry:
 					 */
 					if (object->ref_count != 0)
 						pmap_remove_all(m);
-					m_new->aflags = m->aflags;
+					m_new->aflags = m->aflags &
+					    ~PGA_QUEUE_STATE_MASK;
 					KASSERT(m_new->oflags == VPO_UNMANAGED,
 					    ("page %p is managed", m));
 					m_new->oflags = m->oflags & VPO_NOSYNC;


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