[PATCH] security: Fix nommu build.

[Paul Mundt]

The security + nommu configuration presently blows up with an undefined
reference to BDI_CAP_EXEC_MAP:

security/security.c: In function 'mmap_prot':
security/security.c:687:36: error: dereferencing pointer to incomplete type
security/security.c:688:16: error: 'BDI_CAP_EXEC_MAP' undeclared (first use in this function)
security/security.c:688:16: note: each undeclared identifier is reported only once for each function it appears in

include backing-dev.h directly to fix it up.

Signed-off-by: Paul Mundt <lethal@xxxxxxxxxxxx>

---

 security/security.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/security/security.c b/security/security.c
index 3efc9b1..860aeb3 100644
--- a/security/security.c
+++ b/security/security.c
@@ -23,6 +23,7 @@
 #include <linux/mman.h>
 #include <linux/mount.h>
 #include <linux/personality.h>
+#include <linux/backing-dev.h>
 #include <net/flow.h>
 
 #define MAX_LSM_EVM_XATTR	2
--
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