MINOR: fd: cache-align fdtab and fdcache locks
These locks are highly contended, let's not make them share cache lines.
diff --git a/include/proto/fd.h b/include/proto/fd.h
index ce23c1c..8cc191f 100644
--- a/include/proto/fd.h
+++ b/include/proto/fd.h
@@ -39,9 +39,9 @@
extern THREAD_LOCAL int *fd_updt; // FD updates list
extern THREAD_LOCAL int fd_nbupdt; // number of updates in the list
-__decl_hathreads(extern HA_SPINLOCK_T fdtab_lock); /* global lock to protect fdtab array */
-__decl_hathreads(extern HA_RWLOCK_T fdcache_lock); /* global lock to protect fd_cache array */
-__decl_hathreads(extern HA_SPINLOCK_T poll_lock); /* global lock to protect poll info */
+__decl_hathreads(extern HA_SPINLOCK_T __attribute__((aligned(64))) fdtab_lock); /* global lock to protect fdtab array */
+__decl_hathreads(extern HA_RWLOCK_T __attribute__((aligned(64))) fdcache_lock); /* global lock to protect fd_cache array */
+__decl_hathreads(extern HA_SPINLOCK_T __attribute__((aligned(64))) poll_lock); /* global lock to protect poll info */
/* Deletes an FD from the fdsets, and recomputes the maxfd limit.
* The file descriptor is also closed.