[PATCH net-next 4/7] page_pool: change BIAS_MAX to support incrementing

[Yunsheng Lin]

As the page->pp_frag_count need incrementing for pp page
tracking support, so change BIAS_MAX to (LONG_MAX / 2) to
avoid overflowing.

Signed-off-by: Yunsheng Lin <linyunsheng@xxxxxxxxxx>
---
 net/core/page_pool.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/core/page_pool.c b/net/core/page_pool.c
index 357fb53343a0..e9516477f9d2 100644
--- a/net/core/page_pool.c
+++ b/net/core/page_pool.c
@@ -24,7 +24,7 @@
 #define DEFER_TIME (msecs_to_jiffies(1000))
 #define DEFER_WARN_INTERVAL (60 * HZ)
 
-#define BIAS_MAX	LONG_MAX
+#define BIAS_MAX	(LONG_MAX / 2)
 
 static int page_pool_init(struct page_pool *pool,
 			  const struct page_pool_params *params)
-- 
2.33.0