On Thu, May 18, 2023 at 9:48 AM Kent Overstreet <kent.overstreet@xxxxxxxxx> wrote: > > On Thu, May 18, 2023 at 09:33:20AM -0700, Song Liu wrote: > > I am working on patches based on the discussion in [1]. I am planning to > > send v1 for review in a week or so. > > Hey Song, I was reviewing that thread too, > > Are you taking a different approach based on Thomas's feedback? I think > he had some fair points in that thread. Yes, the API is based on Thomas's suggestion, like 90% from the discussions. > > My own feeling is that the buddy allocator is our tool for allocating > larger variable sized physically contiguous allocations, so I'd like to > see something based on that - I think we could do a hybrid buddy/slab > allocator approach, like we have for regular memory allocations. I am planning to implement the allocator based on this (reuse vmap_area logic): https://lore.kernel.org/linux-mm/20221107223921.3451913-2-song@xxxxxxxxxx/ Thanks, Song > > I started on a slab allocator for executable memory allocations the > other day (very minimal, but tested it for bcachefs and it works). > > But I'd love to hear more about your current approach as well. > > Cheers, > Kent
