gc_rcu 80 include/linux/sunrpc/auth_gss.h struct rcu_head gc_rcu; gc_rcu 1311 net/sunrpc/auth_gss/auth_gss.c struct gss_cl_ctx *ctx = container_of(head, struct gss_cl_ctx, gc_rcu); gc_rcu 1318 net/sunrpc/auth_gss/auth_gss.c call_rcu(&ctx->gc_rcu, gss_free_ctx_callback);