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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: Greg Kroah-Hartman , "Rafael J . Wysocki" , Danilo Krummrich , Jonathan Corbet , Matthew Wilcox , Lorenzo Stoakes , Jesper Dangaard Brouer , Ilias Apalodimas , Willem de Bruijn , Kuniyuki Iwashima , Joshua Washington , Harshitha Ramamurthy , Alexander Lobakin , iommu@lists.linux.dev, netdev@vger.kernel.org, linux-mm@kvack.org, linux-block@vger.kernel.org, driver-core@lists.linux.dev, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Luigi Rizzo Content-Type: text/plain; charset="UTF-8" When a page_pool performs DMA mapping (PP_FLAG_DMA_MAP) on a device with pisa_rx_bufs enabled, pass __GFP_PISA_RW to use PISA memory. Signed-off-by: Luigi Rizzo --- net/core/page_pool.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/core/page_pool.c b/net/core/page_pool.c index d7c88c0b67e53..91cae5ba78373 100644 --- a/net/core/page_pool.c +++ b/net/core/page_pool.c @@ -16,6 +16,7 @@ #include #include #include +#include #include #include @@ -622,6 +623,8 @@ static noinline netmem_ref __page_pool_alloc_netmems_slow(struct page_pool *pool */ if ((gfp & GFP_ATOMIC) == GFP_ATOMIC) gfp |= __GFP_NOWARN; + if (dma_map) + gfp |= pisa_rx_gfp(pool->p.dev); /* Don't support bulk alloc for high-order pages */ if (unlikely(pp_order)) -- 2.56.0.542.g3ef89b7020-goog