[PATCH mainline] xen: xen-selfballoon.c needs more header files

[Randy Dunlap]

From: Randy Dunlap <rdunlap@xxxxxxxxxxxx>

Fix build errors (found when CONFIG_SYSFS is not enabled):

drivers/xen/xen-selfballoon.c:446: warning: data definition has no type or storage class
drivers/xen/xen-selfballoon.c:446: warning: type defaults to 'int' in declaration of 'EXPORT_SYMBOL'
drivers/xen/xen-selfballoon.c:446: warning: parameter names (without types) in function declaration
drivers/xen/xen-selfballoon.c:485: error: expected declaration specifiers or '...' before string constant
drivers/xen/xen-selfballoon.c:485: warning: data definition has no type or storage class
drivers/xen/xen-selfballoon.c:485: warning: type defaults to 'int' in declaration of 'MODULE_LICENSE'
drivers/xen/xen-selfballoon.c:485: warning: function declaration isn't a prototype

Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxx>
---
 drivers/xen/xen-selfballoon.c |    1 +
 1 file changed, 1 insertion(+)

and will need <linux/export.h> when module.h is split up.

--- lnx-31-rc1.orig/drivers/xen/xen-selfballoon.c
+++ lnx-31-rc1/drivers/xen/xen-selfballoon.c
@@ -70,6 +70,7 @@
 #include <linux/kernel.h>
 #include <linux/mm.h>
 #include <linux/mman.h>
+#include <linux/module.h>
 #include <linux/workqueue.h>
 #include <xen/balloon.h>
 #include <xen/tmem.h>
--
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