#include <linux/config.h>
#include <asm/page.h>
-/* Flushing for D-cache alias handling is only needed if
- * the page size is smaller than 16K.
- */
-#if PAGE_SHIFT < 14
-#define DCACHE_ALIASING_POSSIBLE
-#endif
-
#ifndef __ASSEMBLY__
#include <linux/mm.h>
#define flush_icache_page(vma, pg) do { } while(0)
#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
-#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
- do { \
- flush_cache_page(vma, vaddr, page_to_pfn(page));\
- memcpy(dst, src, len); \
+extern void flush_ptrace_access(struct vm_area_struct *, struct page *,
+ unsigned long uaddr, void *kaddr,
+ unsigned long len, int write);
+
+#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
+ do { \
+ flush_cache_page(vma, vaddr, page_to_pfn(page)); \
+ memcpy(dst, src, len); \
+ flush_ptrace_access(vma, page, vaddr, src, len, 0); \
} while (0)
-#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
- do { \
- flush_cache_page(vma, vaddr, page_to_pfn(page));\
- memcpy(dst, src, len); \
+#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
+ do { \
+ flush_cache_page(vma, vaddr, page_to_pfn(page)); \
+ memcpy(dst, src, len); \
+ flush_ptrace_access(vma, page, vaddr, dst, len, 1); \
} while (0)
#define flush_dcache_mmap_lock(mapping) do { } while (0)
#define flush_cache_vmap(start, end) do { } while (0)
#define flush_cache_vunmap(start, end) do { } while (0)
+#ifdef CONFIG_DEBUG_PAGEALLOC
+/* internal debugging function */
+void kernel_map_pages(struct page *page, int numpages, int enable);
+#endif
+
#endif /* !__ASSEMBLY__ */
#endif /* _SPARC64_CACHEFLUSH_H */