[PATCH] x86-64: dma_ops as const
The dma_ops structure can be const since it never changes
after boot.
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Andi Kleen <ak@suse.de>
diff --git a/arch/x86_64/mm/init.c b/arch/x86_64/mm/init.c
index ec31534..5ca6173 100644
--- a/arch/x86_64/mm/init.c
+++ b/arch/x86_64/mm/init.c
@@ -46,7 +46,7 @@
#define Dprintk(x...)
#endif
-struct dma_mapping_ops* dma_ops;
+const struct dma_mapping_ops* dma_ops;
EXPORT_SYMBOL(dma_ops);
static unsigned long dma_reserve __initdata;