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/ (local)

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.