The upper limit needs to be rounded down to a multiple of the
alignment, not up.
Signed-off-by: Mans Rullgard <mans.rullg...@linaro.org>
---
drivers/base/dma-contiguous.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/base/dma-contiguous.c b/drivers/base/dma-contiguous.c
index 924c052..e10120f 100644
--- a/drivers/base/dma-contiguous.c
+++ b/drivers/base/dma-contiguous.c
@@ -256,7 +256,7 @@ int __init dma_declare_contiguous(struct device *dev,
unsigned long size,
alignment = PAGE_SIZE << max(MAX_ORDER, pageblock_order);
base = ALIGN(base, alignment);
size = ALIGN(size, alignment);
- limit = ALIGN(limit, alignment);
+ limit &= ~(alignment - 1);
/* Reserve memory */
if (base) {
--
1.7.8.3
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