Author: alc
Date: Mon Oct 2 07:30:21 2017
New Revision: 324190
URL: https://svnweb.freebsd.org/changeset/base/324190
Log:
Use vm_page_active() rather than directly accessing the page's queue
field.
Reviewed by: kib, markj
MFC after: 2 weeks
X-MFC with: r324146
Modified:
head/sys/kern/uipc_shm.c
Modified: head/sys/kern/uipc_shm.c
==============================================================================
--- head/sys/kern/uipc_shm.c Mon Oct 2 07:14:32 2017 (r324189)
+++ head/sys/kern/uipc_shm.c Mon Oct 2 07:30:21 2017 (r324190)
@@ -209,10 +209,10 @@ uiomove_object_page(vm_object_t obj, size_t len, struc
}
vm_page_lock(m);
vm_page_hold(m);
- if (m->queue != PQ_ACTIVE)
- vm_page_activate(m);
- else
+ if (vm_page_active(m))
vm_page_reference(m);
+ else
+ vm_page_activate(m);
vm_page_unlock(m);
VM_OBJECT_WUNLOCK(obj);
error = uiomove_fromphys(&m, offset, tlen, uio);
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