Dan Magenheimer
2009-Nov-16 21:44 UTC
[Xen-devel] [PATCH] tmem: fix regression from c/s 19886 "Remove page-scrub lists and async scrubbing"
Fix incorrect page_list macro choice from page-scrub
code cleanup.
Signed-off-by: Dan Magenheimer <dan.magenheimer@oracle.com>
diff -r bec27eb6f72c xen/common/tmem_xen.c
--- a/xen/common/tmem_xen.c Sat Nov 14 10:32:59 2009 +0000
+++ b/xen/common/tmem_xen.c Mon Nov 16 11:09:17 2009 -0700
@@ -213,12 +213,13 @@ EXPORT void tmh_release_avail_pages_to_h
spin_lock(&tmh_page_list_lock);
while ( !page_list_empty(&tmh_page_list) )
{
- struct page_info *pg = page_list_first(&tmh_page_list);
+ struct page_info *pg = page_list_remove_head(&tmh_page_list);
scrub_one_page(pg);
+ tmh_page_list_pages--;
free_domheap_page(pg);
}
+ ASSERT(tmh_page_list_pages == 0);
INIT_PAGE_LIST_HEAD(&tmh_page_list);
- tmh_page_list_pages = 0;
spin_unlock(&tmh_page_list_lock);
}
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