Now that dev_get_cma_area() is no longer inline, we don't have any user
of dma_contiguous_default_area() outside of contiguous.c so we can make
it static.

Signed-off-by: Maxime Ripard <mripard@kernel.org>
---
 include/linux/dma-map-ops.h | 2 --
 kernel/dma/contiguous.c     | 2 +-
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/include/linux/dma-map-ops.h b/include/linux/dma-map-ops.h
index 8604106c0c01b6a9dadc45263f3b1d9ecfacd4aa..bef279ebeae7de59dd504e631f47c64d7e223736 100644
--- a/include/linux/dma-map-ops.h
+++ b/include/linux/dma-map-ops.h
@@ -89,12 +89,10 @@ static inline void set_dma_ops(struct device *dev,
 {
 }
 #endif /* CONFIG_ARCH_HAS_DMA_OPS */
 
 #ifdef CONFIG_DMA_CMA
-extern struct cma *dma_contiguous_default_area;
-
 struct cma *dev_get_cma_area(struct device *dev);
 struct cma *dma_contiguous_get_area_by_idx(unsigned int idx);
 
 void dma_contiguous_reserve(phys_addr_t addr_limit);
 int __init dma_contiguous_reserve_area(phys_addr_t size, phys_addr_t base,
diff --git a/kernel/dma/contiguous.c b/kernel/dma/contiguous.c
index 40a0ead24979cfdf25e4779545536a5438e26356..fd8d3518a2323f0a631fb185ef92a24c35f8d25d 100644
--- a/kernel/dma/contiguous.c
+++ b/kernel/dma/contiguous.c
@@ -81,11 +81,11 @@ struct cma *dma_contiguous_get_area_by_idx(unsigned int idx)
 
 	return dma_contiguous_areas[idx];
 }
 EXPORT_SYMBOL_GPL(dma_contiguous_get_area_by_idx);
 
-struct cma *dma_contiguous_default_area;
+static struct cma *dma_contiguous_default_area;
 
 /*
  * Default global CMA area size can be defined in kernel's .config.
  * This is useful mainly for distro maintainers to create a kernel
  * that works correctly for most supported systems.

-- 
2.53.0