Number of sockets is limited by 16-bit, so 64-bit allocation will never
happen.
16-bit ops are the worst code density-wise on x86_64 because of
additional prefix (66).
Space savings:
add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-3 (-3)
function old new delta
reuseport_add_sock 539 536 -3
Signed-off-by: Alexey Dobriyan <adobri...@gmail.com>
---
net/core/sock_reuseport.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/net/core/sock_reuseport.c
+++ b/net/core/sock_reuseport.c
@@ -13,9 +13,9 @@
static DEFINE_SPINLOCK(reuseport_lock);
-static struct sock_reuseport *__reuseport_alloc(u16 max_socks)
+static struct sock_reuseport *__reuseport_alloc(unsigned int max_socks)
{
- size_t size = sizeof(struct sock_reuseport) +
+ unsigned int size = sizeof(struct sock_reuseport) +
sizeof(struct sock *) * max_socks;
struct sock_reuseport *reuse = kzalloc(size, GFP_ATOMIC);
