[PATCH 7/8] mm/pkeys: Add an empty arch_pkeys_enabled()

Add an empty arch_pkeys_enabled() in linux/pkeys.h for the
CONFIG_ARCH_HAS_PKEYS=n case.

Split out of a patch by Ram Pai [off-list ref].

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
---
 include/linux/pkeys.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/linux/pkeys.h b/include/linux/pkeys.h
index 946cb773b79f..2955ba976048 100644
--- a/include/linux/pkeys.h
+++ b/include/linux/pkeys.h

@@ -39,6 +39,11 @@ static inline int arch_set_user_pkey_access(struct task_struct *tsk, int pkey,
 	return 0;
 }
 
+static inline bool arch_pkeys_enabled(void)
+{
+	return false;
+}
+
 static inline void copy_init_pkru_to_fpregs(void)
 {
 }

-- 
2.14.1