fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / include / asm-sh / cpu-sh3 / cacheflush.h

diff --git a/include/asm-sh/cpu-sh3/cacheflush.h b/include/asm-sh/cpu-sh3/cacheflush.h
index f51aed0..f70d8ef 100644 (file)
--- a/include/asm-sh/cpu-sh3/cacheflush.h
+++ b/include/asm-sh/cpu-sh3/cacheflush.h
@@ -10,11 +10,12 @@
 #ifndef __ASM_CPU_SH3_CACHEFLUSH_H
 #define __ASM_CPU_SH3_CACHEFLUSH_H
 
-/* 
+/*
  * Cache flushing:
  *
  *  - flush_cache_all() flushes entire cache
  *  - flush_cache_mm(mm) flushes the specified mm context's cache lines
+ *  - flush_cache_dup mm(mm) handles cache flushing when forking
  *  - flush_cache_page(mm, vmaddr, pfn) flushes a single page
  *  - flush_cache_range(vma, start, end) flushes a range of pages
  *
@@ -35,53 +36,35 @@
  /* 32KB cache, 4kb PAGE sizes need to check bit 12 */
 #define CACHE_ALIAS 0x00001000
 
-struct page;
-struct mm_struct;
-struct vm_area_struct;
-
-extern void flush_cache_all(void);
-extern void flush_cache_mm(struct mm_struct *mm);
-extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
-                              unsigned long end);
-extern void flush_cache_page(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn);
-extern void flush_dcache_page(struct page *pg);
-extern void flush_icache_range(unsigned long start, unsigned long end);
-extern void flush_icache_page(struct vm_area_struct *vma, struct page *page);
-
-#define flush_dcache_mmap_lock(mapping)                do { } while (0)
-#define flush_dcache_mmap_unlock(mapping)      do { } while (0)
-
-/* SH3 has unified cache so no special action needed here */
-#define flush_cache_sigtramp(vaddr)            do { } while (0)
-#define flush_page_to_ram(page)                        do { } while (0)
-#define flush_icache_user_range(vma,pg,adr,len)        do { } while (0)
-
-#define p3_cache_init()                                do { } while (0)
-
 #define PG_mapped      PG_arch_1
 
-/* We provide our own get_unmapped_area to avoid cache alias issue */
-#define HAVE_ARCH_UNMAPPED_AREA
-
+void flush_cache_all(void);
+void flush_cache_mm(struct mm_struct *mm);
+#define flush_cache_dup_mm(mm) flush_cache_mm(mm)
+void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
+                              unsigned long end);
+void flush_cache_page(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn);
+void flush_dcache_page(struct page *pg);
+void flush_icache_range(unsigned long start, unsigned long end);
+void flush_icache_page(struct vm_area_struct *vma, struct page *page);
 #else
-
 #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_sigtramp(vaddr)            do { } while (0)
+#endif
 
-#define p3_cache_init()                                do { } while (0)
+#define flush_dcache_mmap_lock(mapping)                do { } while (0)
+#define flush_dcache_mmap_unlock(mapping)      do { } while (0)
 
-#define HAVE_ARCH_UNMAPPED_AREA
+/* SH3 has unified cache so no special action needed here */
+#define flush_cache_sigtramp(vaddr)            do { } while (0)
+#define flush_icache_user_range(vma,pg,adr,len)        do { } while (0)
 
-#endif
+#define p3_cache_init()                                do { } while (0)
 
 #endif /* __ASM_CPU_SH3_CACHEFLUSH_H */
-