Re: [PATCH] z3fold: make pages_nr atomic

[Andrew Morton]

On Thu, 3 Nov 2016 22:00:58 +0100 Vitaly Wool <vitalywool@xxxxxxxxx> wrote:

> This patch converts pages_nr per-pool counter to atomic64_t.

Which is slower.

Presumably there is a reason for making this change.  This reason
should be described in the changelog.