linux-kernel - Re: [PATCH 07/11] mm: VM_BUG

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Message-ID: <X9la29qelClATtpP@google.com>
Date:   Tue, 15 Dec 2020 17:54:51 -0700
From:   Yu Zhao <yuzhao@...gle.com>
To:     Matthew Wilcox <willy@...radead.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Hugh Dickins <hughd@...gle.com>,
        Alex Shi <alex.shi@...ux.alibaba.com>,
        Michal Hocko <mhocko@...nel.org>,
        Johannes Weiner <hannes@...xchg.org>,
        Vladimir Davydov <vdavydov.dev@...il.com>,
        Roman Gushchin <guro@...com>, Vlastimil Babka <vbabka@...e.cz>,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 07/11] mm: VM_BUG_ON lru page flags

On Mon, Dec 07, 2020 at 10:24:29PM +0000, Matthew Wilcox wrote:
> On Mon, Dec 07, 2020 at 03:09:45PM -0700, Yu Zhao wrote:
> > Move scattered VM_BUG_ONs to two essential places that cover all
> > lru list additions and deletions.
> 
> I'd like to see these converted into VM_BUG_ON_PGFLAGS so you have
> to take that extra CONFIG step to enable checking them.

Right. I'll make sure it won't slip my mind again in v2.