Merge git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-linus

[sfrench/cifs-2.6.git] / arch / arm / include / asm / highmem.h

diff --git a/arch/arm/include/asm/highmem.h b/arch/arm/include/asm/highmem.h
index 7f36d00600b43da38ba4fda7fa59aa61da7d60ab..feb988a7ec37dcf2336d7a908e5561b0cc3ee7d5 100644 (file)
--- a/arch/arm/include/asm/highmem.h
+++ b/arch/arm/include/asm/highmem.h
@@ -11,7 +11,11 @@
 
 #define kmap_prot              PAGE_KERNEL
 
-#define flush_cache_kmaps()    flush_cache_all()
+#define flush_cache_kmaps() \
+       do { \
+               if (cache_is_vivt()) \
+                       flush_cache_all(); \
+       } while (0)
 
 extern pte_t *pkmap_page_table;
 
@@ -21,11 +25,20 @@ extern void *kmap_high(struct page *page);
 extern void *kmap_high_get(struct page *page);
 extern void kunmap_high(struct page *page);
 
+extern void *kmap_high_l1_vipt(struct page *page, pte_t *saved_pte);
+extern void kunmap_high_l1_vipt(struct page *page, pte_t saved_pte);
+
+/*
+ * The following functions are already defined by <linux/highmem.h>
+ * when CONFIG_HIGHMEM is not set.
+ */
+#ifdef CONFIG_HIGHMEM
 extern void *kmap(struct page *page);
 extern void kunmap(struct page *page);
 extern void *kmap_atomic(struct page *page, enum km_type type);
 extern void kunmap_atomic(void *kvaddr, enum km_type type);
 extern void *kmap_atomic_pfn(unsigned long pfn, enum km_type type);
 extern struct page *kmap_atomic_to_page(const void *ptr);
+#endif
 
 #endif