diff options
| author | Linus Walleij <[email protected]> | 2021-11-27 00:54:16 +0100 |
|---|---|---|
| committer | Linus Walleij <[email protected]> | 2021-11-27 00:54:16 +0100 |
| commit | 2448eab44034d9603c97ca17760a53d4d6e4b60c (patch) | |
| tree | 7f323cea55258e94e0c7c70b63d02c9effb00c1f /net/core/page_pool.c | |
| parent | deee705a1c9cce9c7eb699d529f1c0b3c80d339d (diff) | |
| parent | 136057256686de39cc3a07c2e39ef6bc43003ff6 (diff) | |
Merge tag 'v5.16-rc2' into devel
Linux 5.16-rc2 is needed because nonurgent fixes headed
for next are strongly textually dependent on a fix that
was applied for rc2.
Signed-off-by: Linus Walleij <[email protected]>
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; |