sh: Calculate shm alignment at runtime.
Set the SHM alignment at runtime, based off of probed cache desc.
Optimize get_unmapped_area() to only colour align shared mappings.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/include/asm-sh/cacheflush.h b/include/asm-sh/cacheflush.h
index 92930b4..07f62ec 100644
--- a/include/asm-sh/cacheflush.h
+++ b/include/asm-sh/cacheflush.h
@@ -28,5 +28,7 @@
memcpy(dst, src, len); \
} while (0)
+#define HAVE_ARCH_UNMAPPED_AREA
+
#endif /* __KERNEL__ */
#endif /* __ASM_SH_CACHEFLUSH_H */