Adding an include of linux/mm.h resolves this:
drivers/xen/xenbus/xenbus_client.c: In function
‘xenbus_map_ring_valloc_hvm’:
drivers/xen/xenbus/xenbus_client.c:532:66: error: implicit declaration
of function ‘page_to_section’ [-Werror=implicit-function-declaration]
Signed-off-by: Steven Noonan <ste...@uplinklabs.net>
---
drivers/xen/xenbus/xenbus_client.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/xen/xenbus/xenbus_client.c
b/drivers/xen/xenbus/xenbus_client.c
index bcf3ba4..61786be 100644
--- a/drivers/xen/xenbus/xenbus_client.c
+++ b/drivers/xen/xenbus/xenbus_client.c
@@ -30,6 +30,7 @@
* IN THE SOFTWARE.
*/
+#include <linux/mm.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/spinlock.h>
--
1.8.1.2
--
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