56 	struct page *scratch_page;  member
185 		if (WARN_ON_ONCE(pte_page(old) != d->arena->scratch_page))  in apply_range_set_cb()
233 	if (page == d->arena->scratch_page)  in apply_range_clear_cb()
243 	struct page *scratch_page = data;  in apply_range_set_scratch_cb()  local
255 	ptep_try_set(pte, mk_pte(scratch_page, PAGE_KERNEL));  in apply_range_set_scratch_cb()
315 	err = bpf_map_alloc_pages(&arena->map, NUMA_NO_NODE, 1, &arena->scratch_page);  in arena_map_alloc()
335 	__free_page(arena->scratch_page);  in arena_map_alloc()
357 	if (page == arena->scratch_page)  in existing_page_cb()
397 	__free_page(arena->scratch_page);  in arena_map_free()
502 		if (page == arena->scratch_page)  in arena_vm_fault()
1183 			    apply_range_set_scratch_cb, arena->scratch_page);  in bpf_arena_handle_page_fault()