On Mon, Feb 12, 2024 at 01:38:51PM -0800, Suren Baghdasaryan wrote: > Currently slab pages can store only vectors of obj_cgroup pointers in > page->memcg_data. Introduce slabobj_ext structure to allow more data > to be stored for each slab object. Wrap obj_cgroup into slabobj_ext > to support current functionality while allowing to extend slabobj_ext > in the future. > > Signed-off-by: Suren Baghdasaryan <surenb@xxxxxxxxxx> It looks like this doesn't change which buckets GFP_KERNEL_ACCOUNT comes out of, is that correct? I'd love it if we didn't have separate buckets so GFP_KERNEL and GFP_KERNEL_ACCOUNT came from the same pools (so that the randomized pools would cover GFP_KERNEL_ACCOUNT ...) Regardless: Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx> -- Kees Cook