arm64: Convert empty flush_cache_{mm,page} functions to static inline
These functions are empty, just make them static inline in the header.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
diff --git a/arch/arm64/include/asm/cacheflush.h b/arch/arm64/include/asm/cacheflush.h
index aa3132a..3300cbd 100644
--- a/arch/arm64/include/asm/cacheflush.h
+++ b/arch/arm64/include/asm/cacheflush.h
@@ -70,13 +70,20 @@
* - size - region size
*/
extern void flush_cache_all(void);
-extern void flush_cache_mm(struct mm_struct *mm);
extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end);
-extern void flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsigned long pfn);
extern void flush_icache_range(unsigned long start, unsigned long end);
extern void __flush_dcache_area(void *addr, size_t len);
extern void __flush_cache_user_range(unsigned long start, unsigned long end);
+static inline void flush_cache_mm(struct mm_struct *mm)
+{
+}
+
+static inline void flush_cache_page(struct vm_area_struct *vma,
+ unsigned long user_addr, unsigned long pfn)
+{
+}
+
/*
* Copy user data from/to a page which is mapped into a different
* processes address space. Really, we want to allow our "user