From: Jie Wang <wangjie125@xxxxxxxxxx>
Currently If use page pool allocation stats to analysis a RX performance
degradation problem. These stats only count for pages allocate from
page_pool_alloc_pages. But nic drivers such as hns3 use
page_pool_dev_alloc_frag to allocate pages, so page stats in this API
should also be counted.
Signed-off-by: Jie Wang <wangjie125@xxxxxxxxxx>
Signed-off-by: Guangbin Huang <huangguangbin2@xxxxxxxxxx>
---
net/core/page_pool.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/net/core/page_pool.c b/net/core/page_pool.c
index bdbadfaee867..f18e6e771993 100644
--- a/net/core/page_pool.c
+++ b/net/core/page_pool.c
@@ -704,8 +704,10 @@ struct page *page_pool_alloc_frag(struct page_pool *pool,
if (page && *offset + size > max_size) {
page = page_pool_drain_frag(pool, page);
- if (page)
+ if (page) {
+ alloc_stat_inc(pool, fast);
goto frag_reset;
+ }
}
if (!page) {
@@ -727,6 +729,7 @@ struct page *page_pool_alloc_frag(struct page_pool *pool,
pool->frag_users++;
pool->frag_offset = *offset + size;
+ alloc_stat_inc(pool, fast);
return page;
}
EXPORT_SYMBOL(page_pool_alloc_frag);
--
2.33.0
