Author: kib
Date: Mon Aug 25 20:49:25 2014
New Revision: 270627
URL: http://svnweb.freebsd.org/changeset/base/270627
Log:
MFC r269978 (by alc):
Avoid pointless (but harmless) actions on unmanaged pages.
Modified:
stable/10/sys/vm/vm_fault.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/vm/vm_fault.c
==============================================================================
--- stable/10/sys/vm/vm_fault.c Mon Aug 25 20:37:12 2014 (r270626)
+++ stable/10/sys/vm/vm_fault.c Mon Aug 25 20:49:25 2014 (r270627)
@@ -856,8 +856,9 @@ vnode_locked:
if (hardfault)
fs.entry->next_read = fs.pindex + faultcount - reqpage;
- if ((prot & VM_PROT_WRITE) != 0 ||
- (fault_flags & VM_FAULT_DIRTY) != 0) {
+ if (((prot & VM_PROT_WRITE) != 0 ||
+ (fault_flags & VM_FAULT_DIRTY) != 0) &&
+ (fs.m->oflags & VPO_UNMANAGED) == 0) {
vm_object_set_writeable_dirty(fs.object);
/*
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