summaryrefslogtreecommitdiffstats
path: root/kernel/include/xen/page.h
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/include/xen/page.h')
-rw-r--r--kernel/include/xen/page.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/include/xen/page.h b/kernel/include/xen/page.h
index 96294ac93..9dc46cb8a 100644
--- a/kernel/include/xen/page.h
+++ b/kernel/include/xen/page.h
@@ -15,9 +15,9 @@
*/
#define xen_pfn_to_page(xen_pfn) \
- ((pfn_to_page(((unsigned long)(xen_pfn) << XEN_PAGE_SHIFT) >> PAGE_SHIFT)))
+ (pfn_to_page((unsigned long)(xen_pfn) >> (PAGE_SHIFT - XEN_PAGE_SHIFT)))
#define page_to_xen_pfn(page) \
- (((page_to_pfn(page)) << PAGE_SHIFT) >> XEN_PAGE_SHIFT)
+ ((page_to_pfn(page)) << (PAGE_SHIFT - XEN_PAGE_SHIFT))
#define XEN_PFN_PER_PAGE (PAGE_SIZE / XEN_PAGE_SIZE)