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-rw-r--r--net/core/page_pool.c25
1 files changed, 16 insertions, 9 deletions
diff --git a/net/core/page_pool.c b/net/core/page_pool.c
index c92b757369f2..dd5a72533f2b 100644
--- a/net/core/page_pool.c
+++ b/net/core/page_pool.c
@@ -548,21 +548,16 @@ s32 page_pool_inflight(const struct page_pool *pool, bool strict)
return inflight;
}
-/* Disconnects a page (from a page_pool). API users can have a need
- * to disconnect a page (from a page_pool), to allow it to be used as
- * a regular page (that will eventually be returned to the normal
- * page-allocator via put_page).
- */
-static void page_pool_return_page(struct page_pool *pool, struct page *page)
+static __always_inline
+void __page_pool_release_page_dma(struct page_pool *pool, struct page *page)
{
dma_addr_t dma;
- int count;
if (!(pool->p.flags & PP_FLAG_DMA_MAP))
/* Always account for inflight pages, even if we didn't
* map them
*/
- goto skip_dma_unmap;
+ return;
dma = page_pool_get_dma_addr(page);
@@ -571,7 +566,19 @@ static void page_pool_return_page(struct page_pool *pool, struct page *page)
PAGE_SIZE << pool->p.order, pool->p.dma_dir,
DMA_ATTR_SKIP_CPU_SYNC | DMA_ATTR_WEAK_ORDERING);
page_pool_set_dma_addr(page, 0);
-skip_dma_unmap:
+}
+
+/* Disconnects a page (from a page_pool). API users can have a need
+ * to disconnect a page (from a page_pool), to allow it to be used as
+ * a regular page (that will eventually be returned to the normal
+ * page-allocator via put_page).
+ */
+void page_pool_return_page(struct page_pool *pool, struct page *page)
+{
+ int count;
+
+ __page_pool_release_page_dma(pool, page);
+
page_pool_clear_pp_info(page);
/* This may be the last page returned, releasing the pool, so