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Date: Mon, 20 Nov 2023 16:00:36 -0800 From: Jakub Kicinski <kuba@...nel.org> To: davem@...emloft.net Cc: netdev@...r.kernel.org, edumazet@...gle.com, pabeni@...hat.com, almasrymina@...gle.com, hawk@...nel.org, ilias.apalodimas@...aro.org, dsahern@...il.com, dtatulea@...dia.com, Jakub Kicinski <kuba@...nel.org> Subject: [PATCH net-next v2 03/15] net: page_pool: factor out uninit We'll soon (next change in the series) need a fuller unwind path in page_pool_create() so create the inverse of page_pool_init(). Reviewed-by: Ilias Apalodimas <ilias.apalodimas@...aro.org> Signed-off-by: Jakub Kicinski <kuba@...nel.org> --- net/core/page_pool.c | 21 +++++++++++++-------- 1 file changed, 13 insertions(+), 8 deletions(-) diff --git a/net/core/page_pool.c b/net/core/page_pool.c index df2a06d7da52..2e4575477e71 100644 --- a/net/core/page_pool.c +++ b/net/core/page_pool.c @@ -238,6 +238,18 @@ static int page_pool_init(struct page_pool *pool, return 0; } +static void page_pool_uninit(struct page_pool *pool) +{ + ptr_ring_cleanup(&pool->ring, NULL); + + if (pool->p.flags & PP_FLAG_DMA_MAP) + put_device(pool->p.dev); + +#ifdef CONFIG_PAGE_POOL_STATS + free_percpu(pool->recycle_stats); +#endif +} + /** * page_pool_create() - create a page pool. * @params: parameters, see struct page_pool_params @@ -821,14 +833,7 @@ static void __page_pool_destroy(struct page_pool *pool) if (pool->disconnect) pool->disconnect(pool); - ptr_ring_cleanup(&pool->ring, NULL); - - if (pool->p.flags & PP_FLAG_DMA_MAP) - put_device(pool->p.dev); - -#ifdef CONFIG_PAGE_POOL_STATS - free_percpu(pool->recycle_stats); -#endif + page_pool_uninit(pool); kfree(pool); } -- 2.42.0
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