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authorRalf Baechle <ralf@linux-mips.org>2007-03-23 21:36:37 +0000
committerRalf Baechle <ralf@linux-mips.org>2007-03-24 17:01:49 +0000
commit7575a49f209190ca640e0da792565a1bcb641f3e (patch)
treedb47f9fe06fefd279841941c5ff6f8d63dc54c45 /include/asm-mips/cacheflush.h
parent80e89593e5a574a572f4e45e157733b5ea5ddfdb (diff)
[MIPS] Implement flush_anon_page().
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'include/asm-mips/cacheflush.h')
-rw-r--r--include/asm-mips/cacheflush.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/asm-mips/cacheflush.h b/include/asm-mips/cacheflush.h
index 0ddada3bb0b..28d907d4347 100644
--- a/include/asm-mips/cacheflush.h
+++ b/include/asm-mips/cacheflush.h
@@ -48,6 +48,15 @@ static inline void flush_dcache_page(struct page *page)
#define flush_dcache_mmap_lock(mapping) do { } while (0)
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
+#define ARCH_HAS_FLUSH_ANON_PAGE
+extern void __flush_anon_page(struct page *, unsigned long);
+static inline void flush_anon_page(struct vm_area_struct *vma,
+ struct page *page, unsigned long vmaddr)
+{
+ if (cpu_has_dc_aliases && PageAnon(page))
+ __flush_anon_page(page, vmaddr);
+}
+
static inline void flush_icache_page(struct vm_area_struct *vma,
struct page *page)
{
@@ -86,4 +95,7 @@ extern void (*flush_data_cache_page)(unsigned long addr);
/* Run kernel code uncached, useful for cache probing functions. */
unsigned long __init run_uncached(void *func);
+extern void *kmap_coherent(struct page *page, unsigned long addr);
+extern void kunmap_coherent(struct page *page);
+
#endif /* _ASM_CACHEFLUSH_H */