Use "PFN_DOWN(r->size)" instead of "r->size >> PAGE_SHIFT".
Signed-off-by: Xishi Qiu <qiuxishi@xxxxxxxxxx>
---
drivers/base/dma-contiguous.c | 3 +--
1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/drivers/base/dma-contiguous.c b/drivers/base/dma-contiguous.c
index 0ca5442..b3d711d 100644
--- a/drivers/base/dma-contiguous.c
+++ b/drivers/base/dma-contiguous.c
@@ -206,8 +206,7 @@ static int __init cma_init_reserved_areas(void)
for (; i; --i, ++r) {
struct cma *cma;
- cma = cma_create_area(PFN_DOWN(r->start),
- r->size >> PAGE_SHIFT);
+ cma = cma_create_area(PFN_DOWN(r->start), PFN_DOWN(r->size));
if (!IS_ERR(cma))
dev_set_cma_area(r->dev, cma);
}
--
1.7.1
--
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