On Wed, Aug 03, 2022 at 08:14:13AM -0700, Jakub Kicinski wrote: > On Wed, 3 Aug 2022 20:41:22 +0800 Hawkins Jiawei wrote: > > -/* Pointer stored in sk_user_data might not be suitable for copying > > - * when cloning the socket. For instance, it can point to a reference > > - * counted object. sk_user_data bottom bit is set if pointer must not > > - * be copied. > > +/* flag bits in sk_user_data > > + * > > + * SK_USER_DATA_NOCOPY - Pointer stored in sk_user_data might > > + * not be suitable for copying when cloning the socket. > > + * For instance, it can point to a reference counted object. > > + * sk_user_data bottom bit is set if pointer must not be copied. > > + * > > + * SK_USER_DATA_BPF - Managed by BPF > > I'd use this opportunity to add more info here, BPF is too general. > Maybe "Pointer is used by a BPF reuseport array"? Martin, WDYT? SGTM. Thanks.
