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authorIngo Molnar <mingo@elte.hu>2008-11-03 09:11:13 +0100
committerIngo Molnar <mingo@elte.hu>2008-11-03 09:11:13 +0100
commit36609469c8278554b046aa4cc9a5fa9ccea35306 (patch)
treef59185b71c8059941de79143f71178453599b8f1 /arch/cris/include/asm/cacheflush.h
parentb3acf29afda06c76774dc6df6246c37ae707836b (diff)
parent45beca08dd8b6d6a65c5ffd730af2eac7a2c7a03 (diff)
Merge commit 'v2.6.28-rc3' into tracing/ftrace
Diffstat (limited to 'arch/cris/include/asm/cacheflush.h')
-rw-r--r--arch/cris/include/asm/cacheflush.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/cris/include/asm/cacheflush.h b/arch/cris/include/asm/cacheflush.h
new file mode 100644
index 00000000000..cf60e3f69f8
--- /dev/null
+++ b/arch/cris/include/asm/cacheflush.h
@@ -0,0 +1,31 @@
+#ifndef _CRIS_CACHEFLUSH_H
+#define _CRIS_CACHEFLUSH_H
+
+/* Keep includes the same across arches. */
+#include <linux/mm.h>
+
+/* The cache doesn't need to be flushed when TLB entries change because
+ * the cache is mapped to physical memory, not virtual memory
+ */
+#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_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_range(start, end) do { } while (0)
+#define flush_icache_page(vma,pg) do { } while (0)
+#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
+#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) \
+ memcpy(dst, src, len)
+#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
+ memcpy(dst, src, len)
+
+int change_page_attr(struct page *page, int numpages, pgprot_t prot);
+
+#endif /* _CRIS_CACHEFLUSH_H */