Re: [PATCH v2 net] tcp: md5: do not use alloc_percpu()
From: Eric Dumazet <hidden>
Date: 2014-10-23 22:57:49
On Thu, 2014-10-23 at 14:44 -0600, David Ahern wrote:
global variables do not need to be initialized to 0.
Compilers are generating the same code nowadays. They place such zero variables in bss anyway. They finally got this right, maybe years ago. $ nm -v net/ipv4/tcp.o | grep populated 0000000000000078 b tcp_md5sig_pool_populated