On Tue, Jun 04, 2024 at 07:42:24AM -0700, Jakub Kicinski wrote: > I'd guess the thinking was that if we push back the callers would > switch the relevant allocations to be page-backed. But we can add > a comment above the helper that says "you'd be better off using > page frags and calling sendmsg(MSG_SPLICE_PAGES) directly". That's just not how network block devices or file systems work, they don't control the allocations and need to take what gets fed to them.
