}
#endif
-#ifdef CONFIG_HIGHMEM
+#include <asm/kmap_types.h>
+
+#if defined(CONFIG_DEBUG_HIGHMEM) && defined(CONFIG_TRACE_IRQFLAGS_SUPPORT)
+
+void debug_kmap_atomic(enum km_type type);
+
+#else
+
+static inline void debug_kmap_atomic(enum km_type type)
+{
+}
+#endif
+
+#ifdef CONFIG_HIGHMEM
#include <asm/highmem.h>
/* declarations for linux/mm/highmem.c */
return page_address(page);
}
-#define kunmap(page) do { (void) (page); } while (0)
-
-#include <asm/kmap_types.h>
+static inline void kunmap(struct page *page)
+{
+}
static inline void *kmap_atomic(struct page *page, enum km_type idx)
{
#endif /* CONFIG_HIGHMEM */
/* when CONFIG_HIGHMEM is not set these will be plain clear/copy_page */
+#ifndef clear_user_highpage
static inline void clear_user_highpage(struct page *page, unsigned long vaddr)
{
void *addr = kmap_atomic(page, KM_USER0);
clear_user_page(addr, vaddr, page);
kunmap_atomic(addr, KM_USER0);
}
+#endif
#ifndef __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
/**