On Sun, Jan 23, 2022 at 10:08:37AM +0000, Hao Lee wrote: > It's not a standard approach that use __get_free_page() to alloc path > buffer directly. We'd better use kmalloc and PATH_MAX. If we're allocating PATH_MAX sized buffers for names, wouldn't it be suitable to use the name slab names_cachep declared in include/linux/fs.h using __getname() and __putname()? Best, Torin