Am Dienstag, 24. April 2018, 21:28:03 CEST schrieb Michal Hocko: > > Also only for debugging. > > Getting rid of vmalloc with GFP_NOFS in UBIFS is no big problem. > > I can prepare a patch. > > Cool! > > Anyway, if UBIFS has some reclaim recursion critical sections in general > it would be really great to have them documented and that is where the > scope api is really handy. Just add the scope and document what is the > recursion issue. This will help people reading the code as well. Ideally > there shouldn't be any explicit GFP_NOFS in the code. So in a perfect world a filesystem calls memalloc_nofs_save/restore and always uses GFP_KERNEL for kmalloc/vmalloc? Thanks, //richard