Re: [PATCH v2 07/12] mm: thp: check pmd migration entry in common path

From: Anshuman Khandual
Date: Thu Nov 10 2016 - 03:36:33 EST


On 11/08/2016 05:01 AM, Naoya Horiguchi wrote:
> If one of callers of page migration starts to handle thp, memory management code
> start to see pmd migration entry, so we need to prepare for it before enabling.
> This patch changes various code point which checks the status of given pmds in
> order to prevent race between thp migration and the pmd-related works.

There are lot of changes in this one patch. Should not we split
this up into multiple patches and explain them in a bit detail
through their commit messages ?