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security: Fix nommu build.

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 <>
Signed-off-by: James Morris <>
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1 parent 09b2435 commit 75331a597cf4cde51d9b0bb22cbd03b9837ef9e4 Paul Mundt committed with James Morris Jul 2, 2012
Showing with 1 addition and 0 deletions.
  1. +1 −0 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>

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