Re: Extending page pinning into fs/direct-io.c

From: David Howells
Date: Thu May 25 2023 - 13:01:55 EST

Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:

> We do have cases that try to use the page coloring that we support.

What do we gain from it? Presumably since nothing is supposed to write to
that page, it can be shared in all the caches.