On Thu, Feb 2, 2023 at 6:23 PM Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote: > > On Thu, Feb 02, 2023 at 01:41:54AM +0000, Yafang Shao wrote: > > Introduce a helper to report full size of underlying allocation of a > > vmalloc'ed address. > > What is the use case for it? The use case is in patch #4 and patch #7, to get the bpf memory usage from the pointers. #4: https://lore.kernel.org/bpf/20230202014158.19616-5-laoar.shao@xxxxxxxxx/T/#u #7: https://lore.kernel.org/bpf/20230202014158.19616-8-laoar.shao@xxxxxxxxx/T/#u I forgot to Cc you the full patchset. Sorry about that. The full patchset is at https://lore.kernel.org/bpf/20230202014158.19616-1-laoar.shao@xxxxxxxxx/ -- Regards Yafang
