diff options
| author | David Vrabel <david.vrabel@citrix.com> | 2015-01-13 17:16:42 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-01-14 00:22:00 -0500 |
| commit | 28e98c2c20e9d791cf58a624a5a2b1fca63ea47b (patch) | |
| tree | c677669892f774885038d2cb294a342396a1f8cf /include/xen | |
| parent | 933685cacb0483d43345273c9e83f7ff0c8dc4bd (diff) | |
| download | lwn-28e98c2c20e9d791cf58a624a5a2b1fca63ea47b.tar.gz lwn-28e98c2c20e9d791cf58a624a5a2b1fca63ea47b.zip | |
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.h | 5 |
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; |