3 files changed, 30 insertions, 0 deletions

diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
index 8113bb5fb66e..5fe4a2ad7fa3 100644
--- a/arch/arm/include/asm/cacheflush.h
+++ b/arch/arm/include/asm/cacheflush.h
@@ -447,6 +447,16 @@ static inline void __flush_icache_all(void)
             : "r" (0));
 #endif
 }
+static inline void flush_kernel_vmap_range(void *addr, int size)
+{
+        if ((cache_is_vivt() || cache_is_vipt_aliasing()))
+          __cpuc_flush_dcache_area(addr, (size_t)size);
+}
+static inline void invalidate_kernel_vmap_range(void *addr, int size)
+{
+        if ((cache_is_vivt() || cache_is_vipt_aliasing()))
+          __cpuc_flush_dcache_area(addr, (size_t)size);
+}
 
 #define ARCH_HAS_FLUSH_ANON_PAGE
 static inline void flush_anon_page(struct vm_area_struct *vma,
diff --git a/arch/parisc/include/asm/cacheflush.h b/arch/parisc/include/asm/cacheflush.h
index 7a73b615c23d..477277739da5 100644
--- a/arch/parisc/include/asm/cacheflush.h
+++ b/arch/parisc/include/asm/cacheflush.h
@@ -38,6 +38,18 @@ void flush_cache_mm(struct mm_struct *mm);
 
 #define flush_kernel_dcache_range(start,size) \
         flush_kernel_dcache_range_asm((start), (start)+(size));
+/* vmap range flushes and invalidates.  Architecturally, we don't need
+ * the invalidate, because the CPU should refuse to speculate once an
+ * area has been flushed, so invalidate is left empty */
+static inline void flush_kernel_vmap_range(void *vaddr, int size)
+{
+        unsigned long start = (unsigned long)vaddr;
+
+        flush_kernel_dcache_range_asm(start, start + size);
+}
+static inline void invalidate_kernel_vmap_range(void *vaddr, int size)
+{
+}
 
 #define flush_cache_vmap(start, end)            flush_cache_all()
 #define flush_cache_vunmap(start, end)          flush_cache_all()
diff --git a/arch/sh/include/asm/cacheflush.h b/arch/sh/include/asm/cacheflush.h
index dda96eb3e7c0..da3ebec921a7 100644
--- a/arch/sh/include/asm/cacheflush.h
+++ b/arch/sh/include/asm/cacheflush.h
@@ -63,6 +63,14 @@ static inline void flush_anon_page(struct vm_area_struct *vma,
         if (boot_cpu_data.dcache.n_aliases && PageAnon(page))
                 __flush_anon_page(page, vmaddr);
 }
+static inline void flush_kernel_vmap_range(void *addr, int size)
+{
+        __flush_wback_region(addr, size);
+}
+static inline void invalidate_kernel_vmap_range(void *addr, int size)
+{
+        __flush_invalidate_region(addr, size);
+}
 
 #define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE
 static inline void flush_kernel_dcache_page(struct page *page)