On Tue, Dec 28, 2021 at 04:07:15PM +0800, Li Zhijian wrote:> + while (length > 0) {> + va = (u8 *)(uintptr_t)buf->addr + offset;> + bytes = buf->size - offset;> +> + if (bytes > length)> + bytes = length;> +> + arch_wb_cache_pmem(va, bytes);So why did we need to check that the va was pmem to call this?Jason