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Date:      Thu, 18 Aug 2016 05:35:44 +0000 (UTC)
From:      Alan Cox <alc@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-user@freebsd.org
Subject:   svn commit: r304328 - user/alc/PQ_LAUNDRY/sys/vm
Message-ID:  <201608180535.u7I5ZiNZ007610@repo.freebsd.org>

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Author: alc
Date: Thu Aug 18 05:35:43 2016
New Revision: 304328
URL: https://svnweb.freebsd.org/changeset/base/304328

Log:
  When deciding whether to perform background laundering, include the number
  of free pages in the count of clean pages.
  
  Discussed with:	markj

Modified:
  user/alc/PQ_LAUNDRY/sys/vm/vm_pageout.c

Modified: user/alc/PQ_LAUNDRY/sys/vm/vm_pageout.c
==============================================================================
--- user/alc/PQ_LAUNDRY/sys/vm/vm_pageout.c	Thu Aug 18 05:33:58 2016	(r304327)
+++ user/alc/PQ_LAUNDRY/sys/vm/vm_pageout.c	Thu Aug 18 05:35:43 2016	(r304328)
@@ -1144,7 +1144,7 @@ vm_pageout_laundry_worker(void *arg)
 		 * 2. we haven't yet reached the target of the current
 		 *    background laundering run.
 		 */
-		ninact = vm_cnt.v_inactive_count;
+		ninact = vm_cnt.v_inactive_count + vm_cnt.v_free_count;
 		nlaundry = vm_cnt.v_laundry_count;
 		if (target == 0 && wakeups != gen &&
 		    nlaundry * bkgrd_launder_ratio >= ninact) {



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