svn commit: r188909 - in stable/7/sys: . amd64/amd64 contrib/pf
dev/ath/ath_hal dev/cxgb i386/i386
Alan Cox
alc at FreeBSD.org
Sat Feb 21 19:02:48 PST 2009
Author: alc
Date: Sun Feb 22 03:02:46 2009
New Revision: 188909
URL: http://svn.freebsd.org/changeset/base/188909
Log:
MFC r188608
Remove unnecessary page queues locking around vm_page_busy() and
vm_page_wakeup().
Modified:
stable/7/sys/ (props changed)
stable/7/sys/amd64/amd64/pmap.c
stable/7/sys/contrib/pf/ (props changed)
stable/7/sys/dev/ath/ath_hal/ (props changed)
stable/7/sys/dev/cxgb/ (props changed)
stable/7/sys/i386/i386/pmap.c
Modified: stable/7/sys/amd64/amd64/pmap.c
==============================================================================
--- stable/7/sys/amd64/amd64/pmap.c Sun Feb 22 02:50:31 2009 (r188908)
+++ stable/7/sys/amd64/amd64/pmap.c Sun Feb 22 03:02:46 2009 (r188909)
@@ -2639,9 +2639,7 @@ retry:
}
p = vm_page_lookup(object, pindex);
- vm_page_lock_queues();
vm_page_wakeup(p);
- vm_page_unlock_queues();
}
ptepa = VM_PAGE_TO_PHYS(p);
@@ -2655,15 +2653,11 @@ retry:
while ((pdpg =
pmap_allocpde(pmap, va, M_NOWAIT)) == NULL) {
PMAP_UNLOCK(pmap);
- vm_page_lock_queues();
vm_page_busy(p);
- vm_page_unlock_queues();
VM_OBJECT_UNLOCK(object);
VM_WAIT;
VM_OBJECT_LOCK(object);
- vm_page_lock_queues();
vm_page_wakeup(p);
- vm_page_unlock_queues();
PMAP_LOCK(pmap);
}
pde = (pd_entry_t *)PHYS_TO_DMAP(VM_PAGE_TO_PHYS(pdpg));
Modified: stable/7/sys/i386/i386/pmap.c
==============================================================================
--- stable/7/sys/i386/i386/pmap.c Sun Feb 22 02:50:31 2009 (r188908)
+++ stable/7/sys/i386/i386/pmap.c Sun Feb 22 03:02:46 2009 (r188909)
@@ -2713,9 +2713,7 @@ retry:
}
p = vm_page_lookup(object, pindex);
- vm_page_lock_queues();
vm_page_wakeup(p);
- vm_page_unlock_queues();
}
ptepa = VM_PAGE_TO_PHYS(p);
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