1 files changed, 2 insertions, 2 deletions

diff --git a/lib/dma-debug.c b/lib/dma-debug.c
index b157b46cc9a6..cd5a5a426ef1 100644
--- a/lib/dma-debug.c
+++ b/lib/dma-debug.c
@@ -1502,7 +1502,7 @@ void debug_dma_alloc_coherent(struct device *dev, size_t size,
         entry->type      = dma_debug_coherent;
         entry->dev       = dev;
         entry->pfn       = page_to_pfn(virt_to_page(virt));
-        entry->offset    = (size_t) virt & ~PAGE_MASK;
+        entry->offset    = offset_in_page(virt);
         entry->size      = size;
         entry->dev_addr  = dma_addr;
         entry->direction = DMA_BIDIRECTIONAL;
@@ -1518,7 +1518,7 @@ void debug_dma_free_coherent(struct device *dev, size_t size,
                 .type           = dma_debug_coherent,
                 .dev            = dev,
                 .pfn            = page_to_pfn(virt_to_page(virt)),
-                .offset         = (size_t) virt & ~PAGE_MASK,
+                .offset         = offset_in_page(virt),
                 .dev_addr       = addr,
                 .size           = size,
                 .direction      = DMA_BIDIRECTIONAL,