linux-kernel - Re: [PATCH v1 06/14] linux/mm.h: move page_size() to mm/page

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Date: Thu, 15 Feb 2024 19:26:09 +0000
From: Matthew Wilcox <willy@...radead.org>
To: Max Kellermann <max.kellermann@...os.com>
Cc: akpm@...ux-foundation.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 06/14] linux/mm.h: move page_size() to mm/page_size.h

On Thu, Feb 15, 2024 at 03:55:54PM +0100, Max Kellermann wrote:
> Prepare to reduce dependencies in linux/mm.h.

We're really close to eliminating page_size().  Just 23 callers left.
As such, it would be a mistake to name the header after it.  I don't
particularly like how you're splitting up mm.h; I think the real problem
is all the code that says "Oh, I'm allocating memory, I should include
mm.h" instead of including gfp.h or slab.h.

But if you must split it like this, at least call it folio_size.h