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-rw-r--r--kernel/dma/swiotlb.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
index 6499bda8f0b8..465a567678d9 100644
--- a/kernel/dma/swiotlb.c
+++ b/kernel/dma/swiotlb.c
@@ -93,7 +93,7 @@ static unsigned int io_tlb_index;
* Max segment that we can provide which (if pages are contingous) will
* not be bounced (unless SWIOTLB_FORCE is set).
*/
-unsigned int max_segment;
+static unsigned int max_segment;
/*
* We need to save away the original address corresponding to a mapped entry