Re: [GIT PULL] percpu fix for v4.10-rc6

From: David Howells
Date: Wed Feb 01 2017 - 02:57:18 EST


Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:

> The fact is, atomic_long_inc_not_zero() shouldn't be returning
> anything with high bits..

Ummm... Why's that the case? If atomic_long_t can never exceed UINT_MAX,
then why does it exist at all?

David