The page_pool API is using page->private to store DMA addresses.
As pointed out by David Miller we can't use that on 32-bit architectures
with 64-bit DMA
This patch adds a new dma_addr_t struct to allow storing DMA addresses
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Acked-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
*/
unsigned long private;
};
+ struct { /* page_pool used by netstack */
+ /**
+ * @dma_addr: might require a 64-bit value even on
+ * 32-bit architectures.
+ */
+ dma_addr_t dma_addr;
+ };
struct { /* slab, slob and slub */
union {
struct list_head slab_list; /* uses lru */