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uvmpd_scan_inactive: when reactivating a page,

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use pmap_is_referenced rather than pmap_clear_reference.
we don't need to clear the bit here as we'll do so when
moving pages back to inactive queue again.  pointed by Chuck Silvers.
This commit is contained in:
yamt 2006-01-05 10:47:33 +00:00
parent 2f9d701ab5
commit dc9b2af242
1 changed files with 3 additions and 3 deletions
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6
sys/uvm/uvm_pdaemon.c
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@ -1,4 +1,4 @@
/* $NetBSD: uvm_pdaemon.c,v 1.71 2005/12/21 12:24:47 yamt Exp $ */
/* $NetBSD: uvm_pdaemon.c,v 1.72 2006/01/05 10:47:33 yamt Exp $ */
/*
* Copyright (c) 1997 Charles D. Cranor and Washington University.
@ -71,7 +71,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: uvm_pdaemon.c,v 1.71 2005/12/21 12:24:47 yamt Exp $");
__KERNEL_RCSID(0, "$NetBSD: uvm_pdaemon.c,v 1.72 2006/01/05 10:47:33 yamt Exp $");
#include "opt_uvmhist.h"
#include "opt_readahead.h"
@ -475,7 +475,7 @@ uvmpd_scan_inactive(struct pglist *pglst)
* skip to next page.
*/
if (pmap_clear_reference(p)) {
if (pmap_is_referenced(p)) {
uvm_pageactivate(p);
uvmexp.pdreact++;
continue;