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authorDavid Vrabel <david.vrabel@citrix.com>2015-01-13 17:16:42 +0000
committerDavid S. Miller <davem@davemloft.net>2015-01-14 00:22:00 -0500
commit28e98c2c20e9d791cf58a624a5a2b1fca63ea47b (patch)
treec677669892f774885038d2cb294a342396a1f8cf /include/xen
parent933685cacb0483d43345273c9e83f7ff0c8dc4bd (diff)
xen: add page_to_mfn()
pfn_to_mfn(page_to_pfn(p)) is a common use case so add a generic helper for it. Signed-off-by: David Vrabel <david.vrabel@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/xen')
-rw-r--r--include/xen/page.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/xen/page.h b/include/xen/page.h
index 12765b6f9517..c5ed20bb3fe9 100644
--- a/include/xen/page.h
+++ b/include/xen/page.h
@@ -3,6 +3,11 @@
#include <asm/xen/page.h>
+static inline unsigned long page_to_mfn(struct page *page)
+{
+ return pfn_to_mfn(page_to_pfn(page));
+}
+
struct xen_memory_region {
phys_addr_t start;
phys_addr_t size;

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