1 files changed, 17 insertions, 7 deletions

diff --git a/arch/parisc/include/asm/cacheflush.h b/arch/parisc/include/asm/cacheflush.h
index f388a85bba11..7344e1d304af 100644
--- a/arch/parisc/include/asm/cacheflush.h
+++ b/arch/parisc/include/asm/cacheflush.h
@@ -37,6 +37,13 @@ void flush_cache_all_local(void);
 void flush_cache_all(void);
 void flush_cache_mm(struct mm_struct *mm);
 
+#define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE
+void flush_kernel_dcache_page_addr(void *addr);
+static inline void flush_kernel_dcache_page(struct page *page)
+{
+        flush_kernel_dcache_page_addr(page_address(page));
+}
+
 #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
@@ -50,6 +57,16 @@ static inline void flush_kernel_vmap_range(void *vaddr, int size)
 }
 static inline void invalidate_kernel_vmap_range(void *vaddr, int size)
 {
+        unsigned long start = (unsigned long)vaddr;
+        void *cursor = vaddr;
+
+        for ( ; cursor < vaddr + size; cursor += PAGE_SIZE) {
+                struct page *page = vmalloc_to_page(cursor);
+
+                if (test_and_clear_bit(PG_dcache_dirty, &page->flags))
+                        flush_kernel_dcache_page(page);
+        }
+        flush_kernel_dcache_range_asm(start, start + size);
 }
 
 #define flush_cache_vmap(start, end)            flush_cache_all()
@@ -98,13 +115,6 @@ flush_anon_page(struct vm_area_struct *vma, struct page *page, unsigned long vma
                 flush_user_dcache_page(vmaddr);
 }
 
-#define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE
-void flush_kernel_dcache_page_addr(void *addr);
-static inline void flush_kernel_dcache_page(struct page *page)
-{
-        flush_kernel_dcache_page_addr(page_address(page));
-}
-
 #ifdef CONFIG_DEBUG_RODATA
 void mark_rodata_ro(void);
 #endif