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| author | Jonathan Corbet <corbet@lwn.net> | 2021-12-10 13:57:09 -0700 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2021-12-10 13:57:09 -0700 |
| commit | a7fb920b158da0a154da609a4c27ff693404ec90 (patch) | |
| tree | 0637688614d7889aef9dd76870b9605d3f563247 /net/core/page_pool.c | |
| parent | ce881fc06dc87e73928ced4c37b6ac6b32ef5fb6 (diff) | |
| parent | 0fcfb00b28c0b7884635dacf38e46d60bf3d4eb1 (diff) | |
Merge tag 'v5.16-rc4' into docs-next
I have a couple of fixes for warnings introduced after -rc1; catch up to
-rc4 so that the fixes have something to fix.
Diffstat (limited to 'net/core/page_pool.c')
| -rw-r--r-- | net/core/page_pool.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/net/core/page_pool.c b/net/core/page_pool.c index 9b60e4301a44..1a6978427d6c 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; |