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Diffstat (limited to 'arch/arm/include/asm/highmem.h')
-rw-r--r--arch/arm/include/asm/highmem.h15
1 files changed, 14 insertions, 1 deletions
diff --git a/arch/arm/include/asm/highmem.h b/arch/arm/include/asm/highmem.h
index 7f36d00600b4..feb988a7ec37 100644
--- a/arch/arm/include/asm/highmem.h
+++ b/arch/arm/include/asm/highmem.h
@@ -11,7 +11,11 @@
11 11
12#define kmap_prot PAGE_KERNEL 12#define kmap_prot PAGE_KERNEL
13 13
14#define flush_cache_kmaps() flush_cache_all() 14#define flush_cache_kmaps() \
15 do { \
16 if (cache_is_vivt()) \
17 flush_cache_all(); \
18 } while (0)
15 19
16extern pte_t *pkmap_page_table; 20extern pte_t *pkmap_page_table;
17 21
@@ -21,11 +25,20 @@ extern void *kmap_high(struct page *page);
21extern void *kmap_high_get(struct page *page); 25extern void *kmap_high_get(struct page *page);
22extern void kunmap_high(struct page *page); 26extern void kunmap_high(struct page *page);
23 27
28extern void *kmap_high_l1_vipt(struct page *page, pte_t *saved_pte);
29extern void kunmap_high_l1_vipt(struct page *page, pte_t saved_pte);
30
31/*
32 * The following functions are already defined by <linux/highmem.h>
33 * when CONFIG_HIGHMEM is not set.
34 */
35#ifdef CONFIG_HIGHMEM
24extern void *kmap(struct page *page); 36extern void *kmap(struct page *page);
25extern void kunmap(struct page *page); 37extern void kunmap(struct page *page);
26extern void *kmap_atomic(struct page *page, enum km_type type); 38extern void *kmap_atomic(struct page *page, enum km_type type);
27extern void kunmap_atomic(void *kvaddr, enum km_type type); 39extern void kunmap_atomic(void *kvaddr, enum km_type type);
28extern void *kmap_atomic_pfn(unsigned long pfn, enum km_type type); 40extern void *kmap_atomic_pfn(unsigned long pfn, enum km_type type);
29extern struct page *kmap_atomic_to_page(const void *ptr); 41extern struct page *kmap_atomic_to_page(const void *ptr);
42#endif
30 43
31#endif 44#endif