svn commit: r191778 - head/sys/vm

Alan Cox alc at FreeBSD.org
Mon May 4 06:30:01 UTC 2009


Author: alc
Date: Mon May  4 06:30:00 2009
New Revision: 191778
URL: http://svn.freebsd.org/changeset/base/191778

Log:
  Eliminate vnode_pager_input_smlfs()'s pointless call to pmap_clear_modify().
  The page can't possibly have any modified page table entries because it
  isn't even mapped.

Modified:
  head/sys/vm/vnode_pager.c

Modified: head/sys/vm/vnode_pager.c
==============================================================================
--- head/sys/vm/vnode_pager.c	Mon May  4 02:19:52 2009	(r191777)
+++ head/sys/vm/vnode_pager.c	Mon May  4 06:30:00 2009	(r191778)
@@ -559,9 +559,6 @@ vnode_pager_input_smlfs(object, m)
 		}
 	}
 	sf_buf_free(sf);
-	vm_page_lock_queues();
-	pmap_clear_modify(m);
-	vm_page_unlock_queues();
 	if (error) {
 		return VM_PAGER_ERROR;
 	}


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