linux-kernel - Re: [PATCH net-next v10 12/15] mm: page_frag: move 'struct page_frag

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Message-ID: <CAKgT0UdwGGtnTfMv2LDmPVyT4WAbs+Vy7jv-0=WBJy7Ltnxbcw@mail.gmail.com>
Date: Tue, 9 Jul 2024 07:56:27 -0700
From: Alexander Duyck <alexander.duyck@...il.com>
To: Yunsheng Lin <linyunsheng@...wei.com>
Cc: davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com, 
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org
Subject: Re: [PATCH net-next v10 12/15] mm: page_frag: move 'struct
 page_frag_cache' to sched.h

On Tue, Jul 9, 2024 at 6:31 AM Yunsheng Lin <linyunsheng@...wei.com> wrote:
>
> As the 'struct page_frag_cache' is going to replace the
> 'struct page_frag' in sched.h, including page_frag_cache.h
> in sched.h has a compiler error caused by interdependence
> between mm_types.h and mm.h for asm-offsets.c, see [1].
>
> Avoid the above compiler error by moving the 'struct
> page_frag_cache' to sched.h as suggested by Alexander, see
> [2].

Both the title and this description are misleading. You are moving it
to mm_types_task.h not sched.h.

Also I am pretty sure you could just fold this into your second patch
where you moved the code originally with just a tweak to the
description explaining the build dependency issue. No point in moving
the same structure twice within the same patch set.