Removes a call to compound_head(), saving 464 bytes of kernel text
as page_pool_return_page() is inlined seven times.
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Acked-by: Jesper Dangaard Brouer <brouer@xxxxxxxxxx>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@xxxxxxxxxx>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@xxxxxxxxx>
---
net/core/page_pool.c | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/net/core/page_pool.c b/net/core/page_pool.c
index 4e985502c569..b606952773a6 100644
--- a/net/core/page_pool.c
+++ b/net/core/page_pool.c
@@ -220,7 +220,13 @@ struct page_pool *page_pool_create(const struct page_pool_params *params)
}
EXPORT_SYMBOL(page_pool_create);
-static void page_pool_return_page(struct page_pool *pool, struct page *page);
+static void page_pool_return_netmem(struct page_pool *pool, struct netmem *nm);
+
+static inline
+void page_pool_return_page(struct page_pool *pool, struct page *page)
+{
+ page_pool_return_netmem(pool, page_netmem(page));
+}
noinline
static struct page *page_pool_refill_alloc_cache(struct page_pool *pool)
@@ -499,11 +505,11 @@ void page_pool_release_netmem(struct page_pool *pool, struct netmem *nmem)
EXPORT_SYMBOL(page_pool_release_netmem);
/* Return a page to the page allocator, cleaning up our state */
-static void page_pool_return_page(struct page_pool *pool, struct page *page)
+static void page_pool_return_netmem(struct page_pool *pool, struct netmem *nmem)
{
- page_pool_release_page(pool, page);
+ page_pool_release_netmem(pool, nmem);
- put_page(page);
+ netmem_put(nmem);
/* An optimization would be to call __free_pages(page, pool->p.order)
* knowing page is not part of page-cache (thus avoiding a
* __page_cache_release() call).
--
2.35.1
