133 	u32 headroom = XDP_PACKET_HEADROOM;  in xdp_test_run_init_page()  local
142 	headroom -= meta_len;  in xdp_test_run_init_page()
147 	memcpy(data + headroom, orig_ctx->data_meta, frm_len);  in xdp_test_run_init_page()
150 	xdp_prepare_buff(new_ctx, data, headroom, frm_len, true);  in xdp_test_run_init_page()
628 			   u32 size, u32 headroom, u32 tailroom)  in BTF_ID_FLAGS()
633 	if (size < ETH_HLEN || size > PAGE_SIZE - headroom - tailroom)  in BTF_ID_FLAGS()
640 	data = kzalloc(size + headroom + tailroom, GFP_USER);  in BTF_ID_FLAGS()
644 	if (copy_from_user(data + headroom, data_in, user_size)) {  in BTF_ID_FLAGS()
1153 	u32 headroom = XDP_PACKET_HEADROOM;  in bpf_prog_test_run_xdp()  local
1178 		headroom += sizeof(struct xdp_page_head);  in bpf_prog_test_run_xdp()
1194 		/* Meta data is allocated from the headroom */  in bpf_prog_test_run_xdp()
1195 		headroom -= ctx->data;  in bpf_prog_test_run_xdp()
1198 	max_data_sz = 4096 - headroom - tailroom;  in bpf_prog_test_run_xdp()
1206 	data = bpf_test_init(kattr, size, max_data_sz, headroom, tailroom);  in bpf_prog_test_run_xdp()
1213 	rxqueue->xdp_rxq.frag_size = headroom + max_data_sz + tailroom;  in bpf_prog_test_run_xdp()
1215 	xdp_prepare_buff(&xdp, data, headroom, size, true);  in bpf_prog_test_run_xdp()