#define flush_cache_all() do { } while (0)
#define flush_cache_mm(mm) do { } while (0)
#define flush_cache_dup_mm(mm) do { } while (0)
+#define flush_cache_range(vma, start, end) do { } while (0)
+#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
-#define flush_cache_range(vma, start, end) \
- do { \
- if (vma->vm_flags & VM_EXEC) \
- icache_inv_all(); \
- } while (0)
+#define PG_dcache_clean PG_arch_1
+
+#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
+static inline void flush_dcache_page(struct page *page)
+{
+ if (test_bit(PG_dcache_clean, &page->flags))
+ clear_bit(PG_dcache_clean, &page->flags);
+}
-#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
-#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
-#define flush_dcache_page(page) do { } while (0)
#define flush_dcache_mmap_lock(mapping) do { } while (0)
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
+#define flush_icache_page(vma, page) do { } while (0)
#define flush_icache_range(start, end) cache_wbinv_range(start, end)
-void flush_icache_page(struct vm_area_struct *vma, struct page *page);
-void flush_icache_user_range(struct vm_area_struct *vma, struct page *page,
- unsigned long vaddr, int len);
-
#define flush_cache_vmap(start, end) do { } while (0)
#define flush_cache_vunmap(start, end) do { } while (0)
#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
do { \
memcpy(dst, src, len); \
- cache_wbinv_range((unsigned long)dst, (unsigned long)dst + len); \
+ if (vma->vm_flags & VM_EXEC) \
+ cache_wbinv_range((unsigned long)dst, \
+ (unsigned long)dst + len); \
} while (0)
#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
memcpy(dst, src, len)