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author | kib <kib@FreeBSD.org> | 2014-08-25 20:49:25 +0000 |
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committer | kib <kib@FreeBSD.org> | 2014-08-25 20:49:25 +0000 |
commit | 511f9b75258e6b2a2341104376e11174a75322b9 (patch) | |
tree | 87bc0c2d5be81bfdd4aeba1245a7661971649157 /sys/vm | |
parent | 57688a0616a0e5fd430ea883d346c58ea88b358b (diff) | |
download | FreeBSD-src-511f9b75258e6b2a2341104376e11174a75322b9.zip FreeBSD-src-511f9b75258e6b2a2341104376e11174a75322b9.tar.gz |
MFC r269978 (by alc):
Avoid pointless (but harmless) actions on unmanaged pages.
Diffstat (limited to 'sys/vm')
-rw-r--r-- | sys/vm/vm_fault.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/vm/vm_fault.c b/sys/vm/vm_fault.c index 70e1d73..5f7bab0 100644 --- a/sys/vm/vm_fault.c +++ b/sys/vm/vm_fault.c @@ -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); /* |