MINOR: epoll: move epoll_fd to read_mostly

This one only contains the list of per-thread epoll FDs, and is used
a lot during updates. Let's mark it read_mostly to avoid false sharing
of FDs placed at the extremities.
This commit is contained in:
Willy Tarreau 2021-04-10 17:06:40 +02:00
parent a1090a5b61
commit 26d212c744

View File

@ -26,7 +26,7 @@
/* private data */
static THREAD_LOCAL struct epoll_event *epoll_events = NULL;
static int epoll_fd[MAX_THREADS]; // per-thread epoll_fd
static int epoll_fd[MAX_THREADS] __read_mostly; // per-thread epoll_fd
#ifndef EPOLLRDHUP
/* EPOLLRDHUP was defined late in libc, and it appeared in kernel 2.6.17 */