# Re: \[PATCH 0/8\] mm: globalize rest\_of\_page() macro

- From: Sean Christopherson \<seanjc@google.com\>
- Date: 2026-03-04 02:49:39 
- List: netdev
- Page: https://ratatoskr.run/netdev/2026/03/342247
- Thread: https://ratatoskr.run/linuxppc-dev/2026/03/342235/t.md

```text
On Tue, Mar 03, 2026, Jens Axboe wrote:
> On 3/3/26 7:28 PM, Jakub Kicinski wrote:
> > On Tue,  3 Mar 2026 20:27:08 -0500 Yury Norov wrote:
> >> The net/9p networking driver has a handy macro to calculate the
> >> amount of bytes from a given pointer to the end of page. Move it
> >> to core/mm, and apply tree-wide. No functional changes intended.
> >>
> >> This series was originally introduced as a single patch #07/12 in:
> >>
> >> https://lore.kernel.org/all/20260219181407.290201-1-ynorov@nvidia.com/
> >>
> >> Split it for better granularity and submit separately.
> > 
> > I don't get what the motivation is here. Another helper developers
> > and readers of the code will need to know about just to replace 
> > obvious and easy to comprehend math.
> 
> I fully agree, I had the same thought reading this.

+1 from KVM-land.
```