Re: [PATCH] mm/mincore: allow for making sys_mincore() privileged

From: Linus Torvalds
Date: Sat Jan 05 2019 - 18:39:44 EST

On Sat, Jan 5, 2019 at 3:16 PM Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
> It goes back to forever, it looks like. I can't find a reason.

mincore() was originally added in 2.3.52pre3, it looks like. Around
2000 or so. But sadly before the BK history.

And that comment about

"Later we can get more picky about what "in core" means precisely."

that still exists above mincore_page() goes back to the original patch.