On 21 Nov 2022, at 8:56, David Howells wrote: > Benjamin Coddington <bcodding@xxxxxxxxxx> wrote: > >> Since moving to memalloc_nofs_save/restore, SUNRPC has stopped setting the >> GFP_NOIO flag on sk_allocation which the networking system uses to decide >> when it is safe to use current->task_frag. > > Um, what's task_frag? Its a per-task page_frag used to coalesce small writes for networking -- see: 5640f7685831 net: use a per task frag allocator Ben