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Date: Sat, 29 Jan 2022 15:38:52 -0800 From: Joe Damato <jdamato@...tly.com> To: netdev@...r.kernel.org, kuba@...nel.org, ilias.apalodimas@...aro.org, davem@...emloft.net, hawk@...nel.org Cc: Joe Damato <jdamato@...tly.com> Subject: [net-next v2 02/10] page_pool: Add per-cpu page_pool_stats struct A per-cpu (empty) page_pool_stats struct has been added as a place holder. Signed-off-by: Joe Damato <jdamato@...tly.com> --- include/net/page_pool.h | 10 ++++++++++ net/core/page_pool.c | 5 +++++ 2 files changed, 15 insertions(+) diff --git a/include/net/page_pool.h b/include/net/page_pool.h index 79a8055..dae65f2 100644 --- a/include/net/page_pool.h +++ b/include/net/page_pool.h @@ -137,6 +137,16 @@ struct page_pool { u64 destroy_cnt; }; +#ifdef CONFIG_PAGE_POOL_STATS +/* + * stats for tracking page_pool events. + */ +struct page_pool_stats { +}; + +DECLARE_PER_CPU_ALIGNED(struct page_pool_stats, page_pool_stats); +#endif + struct page *page_pool_alloc_pages(struct page_pool *pool, gfp_t gfp); static inline struct page *page_pool_dev_alloc_pages(struct page_pool *pool) diff --git a/net/core/page_pool.c b/net/core/page_pool.c index bd62c01..7e33590 100644 --- a/net/core/page_pool.c +++ b/net/core/page_pool.c @@ -26,6 +26,11 @@ #define BIAS_MAX LONG_MAX +#ifdef CONFIG_PAGE_POOL_STATS +DEFINE_PER_CPU_ALIGNED(struct page_pool_stats, page_pool_stats); +EXPORT_PER_CPU_SYMBOL(page_pool_stats); +#endif + static int page_pool_init(struct page_pool *pool, const struct page_pool_params *params) { -- 2.7.4
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