From 89065f38a37500bdfe385ed99dadd3584aa70838 Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Wed, 24 Apr 2019 22:18:53 +0200 Subject: [PATCH] genetlink: use idr_alloc_cyclic for family->id assignment When allocating the next family->id it makes more sense to use idr_alloc_cyclic to avoid re-using a previously used family->id as much as possible. Signed-off-by: Marcel Holtmann Signed-off-by: David S. Miller --- net/netlink/genetlink.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index f0ec068e1d02f..cb69d35c8e6ad 100644 --- a/net/netlink/genetlink.c +++ b/net/netlink/genetlink.c @@ -362,8 +362,8 @@ int genl_register_family(struct genl_family *family) } else family->attrbuf = NULL; - family->id = idr_alloc(&genl_fam_idr, family, - start, end + 1, GFP_KERNEL); + family->id = idr_alloc_cyclic(&genl_fam_idr, family, + start, end + 1, GFP_KERNEL); if (family->id < 0) { err = family->id; goto errout_free; -- 2.39.5