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-rw-r--r--arch/alpha/include/asm/cacheflush.h1
-rw-r--r--arch/arm/include/asm/cacheflush.h1
-rw-r--r--arch/avr32/include/asm/cacheflush.h1
-rw-r--r--arch/blackfin/include/asm/cacheflush.h2
-rw-r--r--arch/cris/include/asm/cacheflush.h1
-rw-r--r--arch/frv/include/asm/cacheflush.h1
-rw-r--r--arch/h8300/include/asm/cacheflush.h1
-rw-r--r--arch/ia64/include/asm/cacheflush.h1
-rw-r--r--arch/m32r/include/asm/cacheflush.h3
-rw-r--r--arch/m68k/include/asm/cacheflush_mm.h1
-rw-r--r--arch/m68k/include/asm/cacheflush_no.h1
-rw-r--r--arch/microblaze/include/asm/cacheflush.h1
-rw-r--r--arch/mips/include/asm/cacheflush.h1
-rw-r--r--arch/mn10300/include/asm/cacheflush.h1
-rw-r--r--arch/parisc/include/asm/cacheflush.h1
-rw-r--r--arch/powerpc/include/asm/cacheflush.h1
-rw-r--r--arch/s390/include/asm/cacheflush.h1
-rw-r--r--arch/score/include/asm/cacheflush.h1
-rw-r--r--arch/sh/include/asm/cacheflush.h1
-rw-r--r--arch/sparc/include/asm/cacheflush_32.h1
-rw-r--r--arch/sparc/include/asm/cacheflush_64.h1
-rw-r--r--arch/x86/include/asm/cacheflush.h1
-rw-r--r--arch/xtensa/include/asm/cacheflush.h1
23 files changed, 26 insertions, 0 deletions
diff --git a/arch/alpha/include/asm/cacheflush.h b/arch/alpha/include/asm/cacheflush.h
index b686cc7fc44e..01d71e1c8a9e 100644
--- a/arch/alpha/include/asm/cacheflush.h
+++ b/arch/alpha/include/asm/cacheflush.h
@@ -9,6 +9,7 @@
9#define flush_cache_dup_mm(mm) do { } while (0) 9#define flush_cache_dup_mm(mm) do { } while (0)
10#define flush_cache_range(vma, start, end) do { } while (0) 10#define flush_cache_range(vma, start, end) do { } while (0)
11#define flush_cache_page(vma, vmaddr, pfn) do { } while (0) 11#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
12#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
12#define flush_dcache_page(page) do { } while (0) 13#define flush_dcache_page(page) do { } while (0)
13#define flush_dcache_mmap_lock(mapping) do { } while (0) 14#define flush_dcache_mmap_lock(mapping) do { } while (0)
14#define flush_dcache_mmap_unlock(mapping) do { } while (0) 15#define flush_dcache_mmap_unlock(mapping) do { } while (0)
diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
index 3d0cdd21b882..e8d45832cfbe 100644
--- a/arch/arm/include/asm/cacheflush.h
+++ b/arch/arm/include/asm/cacheflush.h
@@ -408,6 +408,7 @@ extern void flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
408 * about to change to user space. This is the same method as used on SPARC64. 408 * about to change to user space. This is the same method as used on SPARC64.
409 * See update_mmu_cache for the user space part. 409 * See update_mmu_cache for the user space part.
410 */ 410 */
411#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
411extern void flush_dcache_page(struct page *); 412extern void flush_dcache_page(struct page *);
412 413
413extern void __flush_dcache_page(struct address_space *mapping, struct page *page); 414extern void __flush_dcache_page(struct address_space *mapping, struct page *page);
diff --git a/arch/avr32/include/asm/cacheflush.h b/arch/avr32/include/asm/cacheflush.h
index 670674749b20..96e53820bbbd 100644
--- a/arch/avr32/include/asm/cacheflush.h
+++ b/arch/avr32/include/asm/cacheflush.h
@@ -107,6 +107,7 @@ extern void flush_icache_page(struct vm_area_struct *vma, struct page *page);
107 * do something here, but only for certain configurations. No such 107 * do something here, but only for certain configurations. No such
108 * configurations exist at this time. 108 * configurations exist at this time.
109 */ 109 */
110#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
110#define flush_dcache_page(page) do { } while (0) 111#define flush_dcache_page(page) do { } while (0)
111#define flush_dcache_mmap_lock(page) do { } while (0) 112#define flush_dcache_mmap_lock(page) do { } while (0)
112#define flush_dcache_mmap_unlock(page) do { } while (0) 113#define flush_dcache_mmap_unlock(page) do { } while (0)
diff --git a/arch/blackfin/include/asm/cacheflush.h b/arch/blackfin/include/asm/cacheflush.h
index af03a36c7a4e..417eaac7fe99 100644
--- a/arch/blackfin/include/asm/cacheflush.h
+++ b/arch/blackfin/include/asm/cacheflush.h
@@ -68,9 +68,11 @@ do { memcpy(dst, src, len); \
68#endif 68#endif
69#if defined(CONFIG_BFIN_EXTMEM_WRITEBACK) || defined(CONFIG_BFIN_L2_WRITEBACK) 69#if defined(CONFIG_BFIN_EXTMEM_WRITEBACK) || defined(CONFIG_BFIN_L2_WRITEBACK)
70# define flush_dcache_range(start,end) blackfin_dcache_flush_range((start), (end)) 70# define flush_dcache_range(start,end) blackfin_dcache_flush_range((start), (end))
71#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
71# define flush_dcache_page(page) blackfin_dflush_page(page_address(page)) 72# define flush_dcache_page(page) blackfin_dflush_page(page_address(page))
72#else 73#else
73# define flush_dcache_range(start,end) do { } while (0) 74# define flush_dcache_range(start,end) do { } while (0)
75#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
74# define flush_dcache_page(page) do { } while (0) 76# define flush_dcache_page(page) do { } while (0)
75#endif 77#endif
76 78
diff --git a/arch/cris/include/asm/cacheflush.h b/arch/cris/include/asm/cacheflush.h
index cf60e3f69f8d..36795bca605e 100644
--- a/arch/cris/include/asm/cacheflush.h
+++ b/arch/cris/include/asm/cacheflush.h
@@ -12,6 +12,7 @@
12#define flush_cache_dup_mm(mm) do { } while (0) 12#define flush_cache_dup_mm(mm) do { } while (0)
13#define flush_cache_range(vma, start, end) do { } while (0) 13#define flush_cache_range(vma, start, end) do { } while (0)
14#define flush_cache_page(vma, vmaddr, pfn) do { } while (0) 14#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
15#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
15#define flush_dcache_page(page) do { } while (0) 16#define flush_dcache_page(page) do { } while (0)
16#define flush_dcache_mmap_lock(mapping) do { } while (0) 17#define flush_dcache_mmap_lock(mapping) do { } while (0)
17#define flush_dcache_mmap_unlock(mapping) do { } while (0) 18#define flush_dcache_mmap_unlock(mapping) do { } while (0)
diff --git a/arch/frv/include/asm/cacheflush.h b/arch/frv/include/asm/cacheflush.h
index 432a69e7f3d4..edbac54ae015 100644
--- a/arch/frv/include/asm/cacheflush.h
+++ b/arch/frv/include/asm/cacheflush.h
@@ -47,6 +47,7 @@ static inline void __flush_cache_all(void)
47} 47}
48 48
49/* dcache/icache coherency... */ 49/* dcache/icache coherency... */
50#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
50#ifdef CONFIG_MMU 51#ifdef CONFIG_MMU
51extern void flush_dcache_page(struct page *page); 52extern void flush_dcache_page(struct page *page);
52#else 53#else
diff --git a/arch/h8300/include/asm/cacheflush.h b/arch/h8300/include/asm/cacheflush.h
index 5ffdca217b95..4cf2df20c1ce 100644
--- a/arch/h8300/include/asm/cacheflush.h
+++ b/arch/h8300/include/asm/cacheflush.h
@@ -15,6 +15,7 @@
15#define flush_cache_dup_mm(mm) do { } while (0) 15#define flush_cache_dup_mm(mm) do { } while (0)
16#define flush_cache_range(vma,a,b) 16#define flush_cache_range(vma,a,b)
17#define flush_cache_page(vma,p,pfn) 17#define flush_cache_page(vma,p,pfn)
18#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
18#define flush_dcache_page(page) 19#define flush_dcache_page(page)
19#define flush_dcache_mmap_lock(mapping) 20#define flush_dcache_mmap_lock(mapping)
20#define flush_dcache_mmap_unlock(mapping) 21#define flush_dcache_mmap_unlock(mapping)
diff --git a/arch/ia64/include/asm/cacheflush.h b/arch/ia64/include/asm/cacheflush.h
index c8ce2719fee8..429eefc93ee7 100644
--- a/arch/ia64/include/asm/cacheflush.h
+++ b/arch/ia64/include/asm/cacheflush.h
@@ -25,6 +25,7 @@
25#define flush_cache_vmap(start, end) do { } while (0) 25#define flush_cache_vmap(start, end) do { } while (0)
26#define flush_cache_vunmap(start, end) do { } while (0) 26#define flush_cache_vunmap(start, end) do { } while (0)
27 27
28#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
28#define flush_dcache_page(page) \ 29#define flush_dcache_page(page) \
29do { \ 30do { \
30 clear_bit(PG_arch_1, &(page)->flags); \ 31 clear_bit(PG_arch_1, &(page)->flags); \
diff --git a/arch/m32r/include/asm/cacheflush.h b/arch/m32r/include/asm/cacheflush.h
index 78587c958146..8e8e04516c39 100644
--- a/arch/m32r/include/asm/cacheflush.h
+++ b/arch/m32r/include/asm/cacheflush.h
@@ -12,6 +12,7 @@ extern void _flush_cache_copyback_all(void);
12#define flush_cache_dup_mm(mm) do { } while (0) 12#define flush_cache_dup_mm(mm) do { } while (0)
13#define flush_cache_range(vma, start, end) do { } while (0) 13#define flush_cache_range(vma, start, end) do { } while (0)
14#define flush_cache_page(vma, vmaddr, pfn) do { } while (0) 14#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
15#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
15#define flush_dcache_page(page) do { } while (0) 16#define flush_dcache_page(page) do { } while (0)
16#define flush_dcache_mmap_lock(mapping) do { } while (0) 17#define flush_dcache_mmap_lock(mapping) do { } while (0)
17#define flush_dcache_mmap_unlock(mapping) do { } while (0) 18#define flush_dcache_mmap_unlock(mapping) do { } while (0)
@@ -33,6 +34,7 @@ extern void smp_flush_cache_all(void);
33#define flush_cache_dup_mm(mm) do { } while (0) 34#define flush_cache_dup_mm(mm) do { } while (0)
34#define flush_cache_range(vma, start, end) do { } while (0) 35#define flush_cache_range(vma, start, end) do { } while (0)
35#define flush_cache_page(vma, vmaddr, pfn) do { } while (0) 36#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
37#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
36#define flush_dcache_page(page) do { } while (0) 38#define flush_dcache_page(page) do { } while (0)
37#define flush_dcache_mmap_lock(mapping) do { } while (0) 39#define flush_dcache_mmap_lock(mapping) do { } while (0)
38#define flush_dcache_mmap_unlock(mapping) do { } while (0) 40#define flush_dcache_mmap_unlock(mapping) do { } while (0)
@@ -46,6 +48,7 @@ extern void smp_flush_cache_all(void);
46#define flush_cache_dup_mm(mm) do { } while (0) 48#define flush_cache_dup_mm(mm) do { } while (0)
47#define flush_cache_range(vma, start, end) do { } while (0) 49#define flush_cache_range(vma, start, end) do { } while (0)
48#define flush_cache_page(vma, vmaddr, pfn) do { } while (0) 50#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
51#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
49#define flush_dcache_page(page) do { } while (0) 52#define flush_dcache_page(page) do { } while (0)
50#define flush_dcache_mmap_lock(mapping) do { } while (0) 53#define flush_dcache_mmap_lock(mapping) do { } while (0)
51#define flush_dcache_mmap_unlock(mapping) do { } while (0) 54#define flush_dcache_mmap_unlock(mapping) do { } while (0)
diff --git a/arch/m68k/include/asm/cacheflush_mm.h b/arch/m68k/include/asm/cacheflush_mm.h
index 16bf375fdbe1..73de7c89d8e0 100644
--- a/arch/m68k/include/asm/cacheflush_mm.h
+++ b/arch/m68k/include/asm/cacheflush_mm.h
@@ -128,6 +128,7 @@ static inline void __flush_page_to_ram(void *vaddr)
128 } 128 }
129} 129}
130 130
131#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
131#define flush_dcache_page(page) __flush_page_to_ram(page_address(page)) 132#define flush_dcache_page(page) __flush_page_to_ram(page_address(page))
132#define flush_dcache_mmap_lock(mapping) do { } while (0) 133#define flush_dcache_mmap_lock(mapping) do { } while (0)
133#define flush_dcache_mmap_unlock(mapping) do { } while (0) 134#define flush_dcache_mmap_unlock(mapping) do { } while (0)
diff --git a/arch/m68k/include/asm/cacheflush_no.h b/arch/m68k/include/asm/cacheflush_no.h
index c65f00a94553..89f195656be7 100644
--- a/arch/m68k/include/asm/cacheflush_no.h
+++ b/arch/m68k/include/asm/cacheflush_no.h
@@ -12,6 +12,7 @@
12#define flush_cache_range(vma, start, end) __flush_cache_all() 12#define flush_cache_range(vma, start, end) __flush_cache_all()
13#define flush_cache_page(vma, vmaddr) do { } while (0) 13#define flush_cache_page(vma, vmaddr) do { } while (0)
14#define flush_dcache_range(start,len) __flush_cache_all() 14#define flush_dcache_range(start,len) __flush_cache_all()
15#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
15#define flush_dcache_page(page) do { } while (0) 16#define flush_dcache_page(page) do { } while (0)
16#define flush_dcache_mmap_lock(mapping) do { } while (0) 17#define flush_dcache_mmap_lock(mapping) do { } while (0)
17#define flush_dcache_mmap_unlock(mapping) do { } while (0) 18#define flush_dcache_mmap_unlock(mapping) do { } while (0)
diff --git a/arch/microblaze/include/asm/cacheflush.h b/arch/microblaze/include/asm/cacheflush.h
index f989d6aad648..088076e657b3 100644
--- a/arch/microblaze/include/asm/cacheflush.h
+++ b/arch/microblaze/include/asm/cacheflush.h
@@ -37,6 +37,7 @@
37#define flush_cache_page(vma, vmaddr, pfn) do { } while (0) 37#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
38 38
39#define flush_dcache_range(start, end) __invalidate_dcache_range(start, end) 39#define flush_dcache_range(start, end) __invalidate_dcache_range(start, end)
40#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
40#define flush_dcache_page(page) do { } while (0) 41#define flush_dcache_page(page) do { } while (0)
41#define flush_dcache_mmap_lock(mapping) do { } while (0) 42#define flush_dcache_mmap_lock(mapping) do { } while (0)
42#define flush_dcache_mmap_unlock(mapping) do { } while (0) 43#define flush_dcache_mmap_unlock(mapping) do { } while (0)
diff --git a/arch/mips/include/asm/cacheflush.h b/arch/mips/include/asm/cacheflush.h
index 03b1d69b142f..40bb9fde205f 100644
--- a/arch/mips/include/asm/cacheflush.h
+++ b/arch/mips/include/asm/cacheflush.h
@@ -38,6 +38,7 @@ extern void (*flush_cache_range)(struct vm_area_struct *vma,
38extern void (*flush_cache_page)(struct vm_area_struct *vma, unsigned long page, unsigned long pfn); 38extern void (*flush_cache_page)(struct vm_area_struct *vma, unsigned long page, unsigned long pfn);
39extern void __flush_dcache_page(struct page *page); 39extern void __flush_dcache_page(struct page *page);
40 40
41#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
41static inline void flush_dcache_page(struct page *page) 42static inline void flush_dcache_page(struct page *page)
42{ 43{
43 if (cpu_has_dc_aliases || !cpu_has_ic_fills_f_dc) 44 if (cpu_has_dc_aliases || !cpu_has_ic_fills_f_dc)
diff --git a/arch/mn10300/include/asm/cacheflush.h b/arch/mn10300/include/asm/cacheflush.h
index 1a55d61f0d06..29e692f7f030 100644
--- a/arch/mn10300/include/asm/cacheflush.h
+++ b/arch/mn10300/include/asm/cacheflush.h
@@ -26,6 +26,7 @@
26#define flush_cache_page(vma, vmaddr, pfn) do {} while (0) 26#define flush_cache_page(vma, vmaddr, pfn) do {} while (0)
27#define flush_cache_vmap(start, end) do {} while (0) 27#define flush_cache_vmap(start, end) do {} while (0)
28#define flush_cache_vunmap(start, end) do {} while (0) 28#define flush_cache_vunmap(start, end) do {} while (0)
29#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
29#define flush_dcache_page(page) do {} while (0) 30#define flush_dcache_page(page) do {} while (0)
30#define flush_dcache_mmap_lock(mapping) do {} while (0) 31#define flush_dcache_mmap_lock(mapping) do {} while (0)
31#define flush_dcache_mmap_unlock(mapping) do {} while (0) 32#define flush_dcache_mmap_unlock(mapping) do {} while (0)
diff --git a/arch/parisc/include/asm/cacheflush.h b/arch/parisc/include/asm/cacheflush.h
index 724395143f26..7a73b615c23d 100644
--- a/arch/parisc/include/asm/cacheflush.h
+++ b/arch/parisc/include/asm/cacheflush.h
@@ -42,6 +42,7 @@ void flush_cache_mm(struct mm_struct *mm);
42#define flush_cache_vmap(start, end) flush_cache_all() 42#define flush_cache_vmap(start, end) flush_cache_all()
43#define flush_cache_vunmap(start, end) flush_cache_all() 43#define flush_cache_vunmap(start, end) flush_cache_all()
44 44
45#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
45extern void flush_dcache_page(struct page *page); 46extern void flush_dcache_page(struct page *page);
46 47
47#define flush_dcache_mmap_lock(mapping) \ 48#define flush_dcache_mmap_lock(mapping) \
diff --git a/arch/powerpc/include/asm/cacheflush.h b/arch/powerpc/include/asm/cacheflush.h
index ba667a383b8c..ab9e402518e8 100644
--- a/arch/powerpc/include/asm/cacheflush.h
+++ b/arch/powerpc/include/asm/cacheflush.h
@@ -25,6 +25,7 @@
25#define flush_cache_vmap(start, end) do { } while (0) 25#define flush_cache_vmap(start, end) do { } while (0)
26#define flush_cache_vunmap(start, end) do { } while (0) 26#define flush_cache_vunmap(start, end) do { } while (0)
27 27
28#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
28extern void flush_dcache_page(struct page *page); 29extern void flush_dcache_page(struct page *page);
29#define flush_dcache_mmap_lock(mapping) do { } while (0) 30#define flush_dcache_mmap_lock(mapping) do { } while (0)
30#define flush_dcache_mmap_unlock(mapping) do { } while (0) 31#define flush_dcache_mmap_unlock(mapping) do { } while (0)
diff --git a/arch/s390/include/asm/cacheflush.h b/arch/s390/include/asm/cacheflush.h
index 49d5af916d01..405cc97c6249 100644
--- a/arch/s390/include/asm/cacheflush.h
+++ b/arch/s390/include/asm/cacheflush.h
@@ -10,6 +10,7 @@
10#define flush_cache_dup_mm(mm) do { } while (0) 10#define flush_cache_dup_mm(mm) do { } while (0)
11#define flush_cache_range(vma, start, end) do { } while (0) 11#define flush_cache_range(vma, start, end) do { } while (0)
12#define flush_cache_page(vma, vmaddr, pfn) do { } while (0) 12#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
13#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
13#define flush_dcache_page(page) do { } while (0) 14#define flush_dcache_page(page) do { } while (0)
14#define flush_dcache_mmap_lock(mapping) do { } while (0) 15#define flush_dcache_mmap_lock(mapping) do { } while (0)
15#define flush_dcache_mmap_unlock(mapping) do { } while (0) 16#define flush_dcache_mmap_unlock(mapping) do { } while (0)
diff --git a/arch/score/include/asm/cacheflush.h b/arch/score/include/asm/cacheflush.h
index 07cc8fc457cd..caaba24036e3 100644
--- a/arch/score/include/asm/cacheflush.h
+++ b/arch/score/include/asm/cacheflush.h
@@ -16,6 +16,7 @@ extern void flush_icache_range(unsigned long start, unsigned long end);
16extern void flush_dcache_range(unsigned long start, unsigned long end); 16extern void flush_dcache_range(unsigned long start, unsigned long end);
17 17
18#define flush_cache_dup_mm(mm) do {} while (0) 18#define flush_cache_dup_mm(mm) do {} while (0)
19#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
19#define flush_dcache_page(page) do {} while (0) 20#define flush_dcache_page(page) do {} while (0)
20#define flush_dcache_mmap_lock(mapping) do {} while (0) 21#define flush_dcache_mmap_lock(mapping) do {} while (0)
21#define flush_dcache_mmap_unlock(mapping) do {} while (0) 22#define flush_dcache_mmap_unlock(mapping) do {} while (0)
diff --git a/arch/sh/include/asm/cacheflush.h b/arch/sh/include/asm/cacheflush.h
index c29918f3c819..dda96eb3e7c0 100644
--- a/arch/sh/include/asm/cacheflush.h
+++ b/arch/sh/include/asm/cacheflush.h
@@ -42,6 +42,7 @@ extern void flush_cache_page(struct vm_area_struct *vma,
42 unsigned long addr, unsigned long pfn); 42 unsigned long addr, unsigned long pfn);
43extern void flush_cache_range(struct vm_area_struct *vma, 43extern void flush_cache_range(struct vm_area_struct *vma,
44 unsigned long start, unsigned long end); 44 unsigned long start, unsigned long end);
45#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
45extern void flush_dcache_page(struct page *page); 46extern void flush_dcache_page(struct page *page);
46extern void flush_icache_range(unsigned long start, unsigned long end); 47extern void flush_icache_range(unsigned long start, unsigned long end);
47extern void flush_icache_page(struct vm_area_struct *vma, 48extern void flush_icache_page(struct vm_area_struct *vma,
diff --git a/arch/sparc/include/asm/cacheflush_32.h b/arch/sparc/include/asm/cacheflush_32.h
index 68ac10910271..2e468773f250 100644
--- a/arch/sparc/include/asm/cacheflush_32.h
+++ b/arch/sparc/include/asm/cacheflush_32.h
@@ -75,6 +75,7 @@ BTFIXUPDEF_CALL(void, flush_sig_insns, struct mm_struct *, unsigned long)
75 75
76extern void sparc_flush_page_to_ram(struct page *page); 76extern void sparc_flush_page_to_ram(struct page *page);
77 77
78#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
78#define flush_dcache_page(page) sparc_flush_page_to_ram(page) 79#define flush_dcache_page(page) sparc_flush_page_to_ram(page)
79#define flush_dcache_mmap_lock(mapping) do { } while (0) 80#define flush_dcache_mmap_lock(mapping) do { } while (0)
80#define flush_dcache_mmap_unlock(mapping) do { } while (0) 81#define flush_dcache_mmap_unlock(mapping) do { } while (0)
diff --git a/arch/sparc/include/asm/cacheflush_64.h b/arch/sparc/include/asm/cacheflush_64.h
index c43321729b3b..b95384033e89 100644
--- a/arch/sparc/include/asm/cacheflush_64.h
+++ b/arch/sparc/include/asm/cacheflush_64.h
@@ -37,6 +37,7 @@ extern void flush_dcache_page_all(struct mm_struct *mm, struct page *page);
37#endif 37#endif
38 38
39extern void __flush_dcache_range(unsigned long start, unsigned long end); 39extern void __flush_dcache_range(unsigned long start, unsigned long end);
40#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
40extern void flush_dcache_page(struct page *page); 41extern void flush_dcache_page(struct page *page);
41 42
42#define flush_icache_page(vma, pg) do { } while(0) 43#define flush_icache_page(vma, pg) do { } while(0)
diff --git a/arch/x86/include/asm/cacheflush.h b/arch/x86/include/asm/cacheflush.h
index b54f6afe7ec4..9076add593a8 100644
--- a/arch/x86/include/asm/cacheflush.h
+++ b/arch/x86/include/asm/cacheflush.h
@@ -12,6 +12,7 @@ static inline void flush_cache_range(struct vm_area_struct *vma,
12 unsigned long start, unsigned long end) { } 12 unsigned long start, unsigned long end) { }
13static inline void flush_cache_page(struct vm_area_struct *vma, 13static inline void flush_cache_page(struct vm_area_struct *vma,
14 unsigned long vmaddr, unsigned long pfn) { } 14 unsigned long vmaddr, unsigned long pfn) { }
15#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
15static inline void flush_dcache_page(struct page *page) { } 16static inline void flush_dcache_page(struct page *page) { }
16static inline void flush_dcache_mmap_lock(struct address_space *mapping) { } 17static inline void flush_dcache_mmap_lock(struct address_space *mapping) { }
17static inline void flush_dcache_mmap_unlock(struct address_space *mapping) { } 18static inline void flush_dcache_mmap_unlock(struct address_space *mapping) { }
diff --git a/arch/xtensa/include/asm/cacheflush.h b/arch/xtensa/include/asm/cacheflush.h
index b7b8fbe47c77..a508f2f73bd7 100644
--- a/arch/xtensa/include/asm/cacheflush.h
+++ b/arch/xtensa/include/asm/cacheflush.h
@@ -101,6 +101,7 @@ static inline void __invalidate_icache_page_alias(unsigned long virt,
101#define flush_cache_vmap(start,end) flush_cache_all() 101#define flush_cache_vmap(start,end) flush_cache_all()
102#define flush_cache_vunmap(start,end) flush_cache_all() 102#define flush_cache_vunmap(start,end) flush_cache_all()
103 103
104#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
104extern void flush_dcache_page(struct page*); 105extern void flush_dcache_page(struct page*);
105extern void flush_cache_range(struct vm_area_struct*, ulong, ulong); 106extern void flush_cache_range(struct vm_area_struct*, ulong, ulong);
106extern void flush_cache_page(struct vm_area_struct*, unsigned long, unsigned long); 107extern void flush_cache_page(struct vm_area_struct*, unsigned long, unsigned long);