linux-kernel - [RFC PATCH] dma-direct: dma_contiguous_pernuma

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Date:   Wed, 3 Jun 2020 15:18:59 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Barry Song <song.bao.hua@...ilicon.com>, hch@....de,
        m.szyprowski@...sung.com, robin.murphy@....com,
        catalin.marinas@....com
Cc:     kbuild-all@...ts.01.org, iommu@...ts.linux-foundation.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linuxarm@...wei.com, Jonathan.Cameron@...wei.com,
        john.garry@...wei.com
Subject: [RFC PATCH] dma-direct: dma_contiguous_pernuma_area[] can be static


Signed-off-by: kbuild test robot <lkp@...el.com>
---
 contiguous.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/dma/contiguous.c b/kernel/dma/contiguous.c
index 4b10d0ca0456d..2094c8e0590ac 100644
--- a/kernel/dma/contiguous.c
+++ b/kernel/dma/contiguous.c
@@ -37,7 +37,7 @@
 #endif
 
 struct cma *dma_contiguous_default_area;
-struct cma *dma_contiguous_pernuma_area[MAX_NUMNODES];
+static struct cma *dma_contiguous_pernuma_area[MAX_NUMNODES];
 
 /*
  * Default global CMA area size can be defined in kernel's .config.