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-rw-r--r--net/core/skbuff.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 83af8aaeb893..2f977fffd3ec 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -890,6 +890,11 @@ static void skb_clone_fraglist(struct sk_buff *skb)
skb_get(list);
}
+static bool is_pp_page(struct page *page)
+{
+ return (page->pp_magic & ~0x3UL) == PP_SIGNATURE;
+}
+
#if IS_ENABLED(CONFIG_PAGE_POOL)
bool napi_pp_put_page(struct page *page, bool napi_safe)
{
@@ -905,7 +910,7 @@ bool napi_pp_put_page(struct page *page, bool napi_safe)
* and page_is_pfmemalloc() is checked in __page_pool_put_page()
* to avoid recycling the pfmemalloc page.
*/
- if (unlikely((page->pp_magic & ~0x3UL) != PP_SIGNATURE))
+ if (unlikely(!is_pp_page(page)))
return false;
pp = page->pp;