1 files changed, 9 insertions, 11 deletions

diff --git a/net/core/page_pool.c b/net/core/page_pool.c
index 9b60e4301a44..bd62c01a2ec3 100644
--- a/net/core/page_pool.c
+++ b/net/core/page_pool.c
@@ -49,12 +49,6 @@ static int page_pool_init(struct page_pool *pool,
 	 * which is the XDP_TX use-case.
 	 */
 	if (pool->p.flags & PP_FLAG_DMA_MAP) {
-		/* DMA-mapping is not supported on 32-bit systems with
-		 * 64-bit DMA mapping.
-		 */
-		if (sizeof(dma_addr_t) > sizeof(unsigned long))
-			return -EOPNOTSUPP;
-
 		if ((pool->p.dma_dir != DMA_FROM_DEVICE) &&
 		    (pool->p.dma_dir != DMA_BIDIRECTIONAL))
 			return -EINVAL;
@@ -75,6 +69,10 @@ static int page_pool_init(struct page_pool *pool,
 		 */
 	}
 
+	if (PAGE_POOL_DMA_USE_PP_FRAG_COUNT &&
+	    pool->p.flags & PP_FLAG_PAGE_FRAG)
+		return -EINVAL;
+
 	if (ptr_ring_init(&pool->ring, ring_qsize, GFP_KERNEL) < 0)
 		return -ENOMEM;
 
@@ -132,9 +130,6 @@ static struct page *page_pool_refill_alloc_cache(struct page_pool *pool)
 	pref_nid = numa_mem_id(); /* will be zero like page_to_nid() */
 #endif
 
-	/* Slower-path: Get pages from locked ring queue */
-	spin_lock(&r->consumer_lock);
-
 	/* Refill alloc array, but only if NUMA match */
 	do {
 		page = __ptr_ring_consume(r);
@@ -159,7 +154,6 @@ static struct page *page_pool_refill_alloc_cache(struct page_pool *pool)
 	if (likely(pool->alloc.count > 0))
 		page = pool->alloc.cache[--pool->alloc.count];
 
-	spin_unlock(&r->consumer_lock);
 	return page;
 }
 
@@ -219,6 +213,8 @@ static void page_pool_set_pp_info(struct page_pool *pool,
 {
 	page->pp = pool;
 	page->pp_magic |= PP_SIGNATURE;
+	if (pool->p.init_callback)
+		pool->p.init_callback(page, pool->p.init_arg);
 }
 
 static void page_pool_clear_pp_info(struct page *page)
@@ -693,10 +689,12 @@ static void page_pool_release_retry(struct work_struct *wq)
 	schedule_delayed_work(&pool->release_dw, DEFER_TIME);
 }
 
-void page_pool_use_xdp_mem(struct page_pool *pool, void (*disconnect)(void *))
+void page_pool_use_xdp_mem(struct page_pool *pool, void (*disconnect)(void *),
+			   struct xdp_mem_info *mem)
 {
 	refcount_inc(&pool->user_cnt);
 	pool->disconnect = disconnect;
+	pool->xdp_mem_id = mem->id;
 }
 
 void page_pool_destroy(struct page_pool *pool)