On Tue, 18 Nov 2025 13:36:41 +0900 Gustavo A. R. Silva wrote: > Not sure what you mean by "nasty" and "no clear benefit", but here is an > alternative. See it as RFC:
Meaning of the words per dictionary definition. > https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git/commit/?h=testing/wfamnae-next20251117&id=e0547082214e61b1db0f5068da0daa3d11f992a5 > > [PATCH RFC][next] ipv4/inet_sock.h: Avoid thousands of > -Wflex-array-member-not-at-end warnings > > Use DEFINE_RAW_FLEX() to avoid thousands of -Wflex-array-member-not-at-end > warnings. > > Remove fixed-size array char data[40]; from struct ip_options_data, so > that flexible-array member struct ip_options_rcu::opt.__data[] ends last > in this (and other) structure(s). > > Compensate for this by using the DEFINE_RAW_FLEX() helper to declare each > on-stack struct instance that contains struct ip_options_data as a member. This is much better, thanks!
