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[Xen-changelog] Fix page scrubbing when fewer than 16 pages remain in th

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Subject:	[Xen-changelog] Fix page scrubbing when fewer than 16 pages remain in the scrub list.
From:	BitKeeper Bot <riel@xxxxxxxxxxx>
Date:	Fri, 01 Apr 2005 17:44:25 +0000
Delivery-date:	Fri, 01 Apr 2005 18:03:35 +0000
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ChangeSet 1.1159.256.87, 2005/04/01 18:44:25+01:00, kaf24@xxxxxxxxxxxxxxxxxxxx

        Fix page scrubbing when fewer than 16 pages remain in the scrub list.
        Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>



 page_alloc.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletion(-)


diff -Nru a/xen/common/page_alloc.c b/xen/common/page_alloc.c
--- a/xen/common/page_alloc.c   2005-04-01 13:03:37 -05:00
+++ b/xen/common/page_alloc.c   2005-04-01 13:03:37 -05:00
@@ -651,8 +651,11 @@
         
         /* Peel up to 16 pages from the list. */
         for ( i = 0; i < 16; i++ )
-            if ( (ent = ent->next) == &page_scrub_list )
+        {
+            if ( ent->next == &page_scrub_list )
                 break;
+            ent = ent->next;
+        }
         
         /* Remove peeled pages from the list. */
         ent->next->prev = &page_scrub_list;

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