Blackfin: fix framebuffer mmap bug for nommu

[safe/jmp/linux-2.6] / arch / blackfin / include / asm / pgtable.h

diff --git a/arch/blackfin/include/asm/pgtable.h b/arch/blackfin/include/asm/pgtable.h
index b54cbdd..821c699 100644 (file)
--- a/arch/blackfin/include/asm/pgtable.h
+++ b/arch/blackfin/include/asm/pgtable.h
@@ -98,6 +98,12 @@ extern unsigned int kobjsize(const void *objp);
 #define        VMALLOC_START   0
 #define        VMALLOC_END     0xffffffff
 
+/* provide a special get_unmapped_area for framebuffer mmaps of nommu */
+extern unsigned long get_fb_unmapped_area(struct file *filp, unsigned long,
+                                         unsigned long, unsigned long,
+                                         unsigned long);
+#define HAVE_ARCH_FB_UNMAPPED_AREA
+
 #include <asm-generic/pgtable.h>
 
 #endif                         /* _BLACKFIN_PGTABLE_H */