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-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c
index df2238372ea7..8a64542abc16 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c
@@ -211,26 +211,28 @@ static int alloc_4k(struct mlx5_core_dev *dev, u64 *addr)
return 0;
}
+#define MLX5_U64_4K_PAGE_MASK ((~(u64)0U) << PAGE_SHIFT)
+
static void free_4k(struct mlx5_core_dev *dev, u64 addr)
{
struct fw_page *fwp;
int n;
- fwp = find_fw_page(dev, addr & PAGE_MASK);
+ fwp = find_fw_page(dev, addr & MLX5_U64_4K_PAGE_MASK);
if (!fwp) {
mlx5_core_warn(dev, "page not found\n");
return;
}
- n = (addr & ~PAGE_MASK) >> MLX5_ADAPTER_PAGE_SHIFT;
+ n = (addr & ~MLX5_U64_4K_PAGE_MASK) >> MLX5_ADAPTER_PAGE_SHIFT;
fwp->free_count++;
set_bit(n, &fwp->bitmask);
if (fwp->free_count == MLX5_NUM_4K_IN_PAGE) {
rb_erase(&fwp->rb_node, &dev->priv.page_root);
if (fwp->free_count != 1)
list_del(&fwp->list);
- dma_unmap_page(&dev->pdev->dev, addr & PAGE_MASK, PAGE_SIZE,
- DMA_BIDIRECTIONAL);
+ dma_unmap_page(&dev->pdev->dev, addr & MLX5_U64_4K_PAGE_MASK,
+ PAGE_SIZE, DMA_BIDIRECTIONAL);
__free_page(fwp->page);
kfree(fwp);
} else if (fwp->free_count == 1) {