3 files changed, 24 insertions, 6 deletions
diff --git a/include/linux/context_tracking.h b/include/linux/context_tracking.h
index d259274238db..d9aef2a0ec8e 100644
--- a/include/linux/context_tracking.h
+++ b/include/linux/context_tracking.h
@@ -31,6 +31,19 @@ static inline void user_exit(void)
 		context_tracking_exit(CONTEXT_USER);
 }
 
+/* Called with interrupts disabled.  */
+static inline void user_enter_irqoff(void)
+{
+	if (context_tracking_is_enabled())
+		__context_tracking_enter(CONTEXT_USER);
+
+}
+static inline void user_exit_irqoff(void)
+{
+	if (context_tracking_is_enabled())
+		__context_tracking_exit(CONTEXT_USER);
+}
+
 static inline enum ctx_state exception_enter(void)
 {
 	enum ctx_state prev_ctx;
@@ -69,6 +82,8 @@ static inline enum ctx_state ct_state(void)
 #else
 static inline void user_enter(void) { }
 static inline void user_exit(void) { }
+static inline void user_enter_irqoff(void) { }
+static inline void user_exit_irqoff(void) { }
 static inline enum ctx_state exception_enter(void) { return 0; }
 static inline void exception_exit(enum ctx_state prev_ctx) { }
 static inline enum ctx_state ct_state(void) { return CONTEXT_DISABLED; }
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index ca3e517980a0..917f2b6a0cde 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -594,6 +594,9 @@ struct vm_special_mapping {
 	int (*fault)(const struct vm_special_mapping *sm,
 		     struct vm_area_struct *vma,
 		     struct vm_fault *vmf);
+
+	int (*mremap)(const struct vm_special_mapping *sm,
+		     struct vm_area_struct *new_vma);
 };
 
 enum tlb_flush_reason {
diff --git a/include/linux/random.h b/include/linux/random.h
index e47e533742b5..3d6e9815cd85 100644
--- a/include/linux/random.h
+++ b/include/linux/random.h
@@ -95,27 +95,27 @@ static inline void prandom_seed_state(struct rnd_state *state, u64 seed)
 #ifdef CONFIG_ARCH_RANDOM
 # include <asm/archrandom.h>
 #else
-static inline int arch_get_random_long(unsigned long *v)
+static inline bool arch_get_random_long(unsigned long *v)
 {
 	return 0;
 }
-static inline int arch_get_random_int(unsigned int *v)
+static inline bool arch_get_random_int(unsigned int *v)
 {
 	return 0;
 }
-static inline int arch_has_random(void)
+static inline bool arch_has_random(void)
 {
 	return 0;
 }
-static inline int arch_get_random_seed_long(unsigned long *v)
+static inline bool arch_get_random_seed_long(unsigned long *v)
 {
 	return 0;
 }
-static inline int arch_get_random_seed_int(unsigned int *v)
+static inline bool arch_get_random_seed_int(unsigned int *v)
 {
 	return 0;
 }
-static inline int arch_has_random_seed(void)
+static inline bool arch_has_random_seed(void)
 {
 	return 0;
 }