Re: [PATCH] mm/gup: Allow real explicit breaking of COW

To: Peter Xu <peterx@xxxxxxxxxx>
Subject: Re: [PATCH] mm/gup: Allow real explicit breaking of COW
From: Christoph Hellwig <hch@xxxxxx>
Date: Mon, 10 Aug 2020 14:24:19 +0200
Cc: linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Marty Mcfadden <mcfadden8@xxxxxxxx>, Andrea Arcangeli <aarcange@xxxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, Jann Horn <jannh@xxxxxxxxxx>, Christoph Hellwig <hch@xxxxxx>, Oleg Nesterov <oleg@xxxxxxxxxx>, Kirill Shutemov <kirill@xxxxxxxxxxxxx>, Jan Kara <jack@xxxxxxx>
In-reply-to: <20200808223802.11451-1-peterx@redhat.com>
References: <20200808223802.11451-1-peterx@redhat.com>
User-agent: Mutt/1.5.17 (2007-11-01)

This patch only seems to add a flag, but no actual user of it.

Follow-Ups:
- Re: [PATCH] mm/gup: Allow real explicit breaking of COW
  - From: Peter Xu

References:
- [PATCH] mm/gup: Allow real explicit breaking of COW
  - From: Peter Xu