unsigned long pp_magic;
struct page_pool *pp;
unsigned long _pp_mapping_pad;
- /**
- * @dma_addr: might require a 64-bit value on
- * 32-bit architectures.
- */
- unsigned long dma_addr[2];
+ unsigned long dma_addr;
+ union {
+ /**
+ * dma_addr_upper: might require a 64-bit
+ * value on 32-bit architectures.
+ */
+ unsigned long dma_addr_upper;
+ /**
+ * For frag page support, not supported in
+ * 32-bit architectures with 64-bit DMA.
+ */
+ atomic_long_t pp_frag_count;
+ };
};
struct { /* slab, slob and slub */
union {