linux-kernel - Re: [PATCH 1/3] mm: Move lowmem_page

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Date: Fri, 5 Apr 2024 17:21:25 +0800
From: Huacai Chen <chenhuacai@...nel.org>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: Huacai Chen <chenhuacai@...ngson.cn>, loongarch@...ts.linux.dev, linux-mm@...ck.org, 
	Xuefeng Li <lixuefeng@...ngson.cn>, Guo Ren <guoren@...nel.org>, 
	Xuerui Wang <kernel@...0n.name>, Jiaxun Yang <jiaxun.yang@...goat.com>, 
	linux-kernel@...r.kernel.org, loongson-kernel@...ts.loongnix.cn
Subject: Re: [PATCH 1/3] mm: Move lowmem_page_address() a little later

On Fri, Apr 5, 2024 at 2:25 AM Andrew Morton <akpm@...ux-foundationorg> wrote:
>
> On Thu,  4 Apr 2024 21:36:34 +0800 Huacai Chen <chenhuacai@...ngson.cn> wrote:
>
> > LoongArch will override page_to_virt() which use page_address() in the
> > KFENCE case (by defining WANT_PAGE_VIRTUAL/HASHED_PAGE_VIRTUAL). So move
> > lowmem_page_address() a little later to avoid such build errors:
> >
> > error: implicit declaration of function 'page_address'.
> >
>
> Acked-by: Andrew Morton <akpm@...ux-foundation.org>
>
> Please ensure that it spends adequate time in linux-next for the
> compilation testing.
OK, thanks.

Huacai