linux-kernel - Re: [PATCH 1/3] mm: add apply_to_existing

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Message-Id: <20191210173114.31a6f3e868f94173de76f5cb@linux-foundation.org>
Date:   Tue, 10 Dec 2019 17:31:14 -0800
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     Daniel Axtens <dja@...ens.net>, kasan-dev@...glegroups.com,
        linux-mm@...ck.org, aryabinin@...tuozzo.com, glider@...gle.com,
        linux-kernel@...r.kernel.org, dvyukov@...gle.com,
        daniel@...earbox.net, cai@....pw
Subject: Re: [PATCH 1/3] mm: add apply_to_existing_pages helper

On Sun, 8 Dec 2019 23:34:58 -0800 Christoph Hellwig <hch@...radead.org> wrote:

> Or a flags argument with descriptive flags to the existing function?
> These magic bool arguments don't scale..

True.  But it's easy enough to do s/bool create/enum mode/ in the
future should the need arise.  For now, the code is clearer.