linux-kernel - Re: [PATCH] mm/pgtable: remove unddefined __HAVE_ARCH_P4D_ALLOC_ONE/__HAVE_ARCH_P4D

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Message-ID: <aV5zdQ2pX9vKM1aj@casper.infradead.org>
Date: Wed, 7 Jan 2026 14:53:41 +0000
From: Matthew Wilcox <willy@...radead.org>
To: alexs@...nel.org
Cc: Arnd Bergmann <arnd@...db.de>,
	"open list:GENERIC INCLUDE/ASM HEADER FILES" <linux-arch@...r.kernel.org>,
	open list <linux-kernel@...r.kernel.org>, linux-mm@...ck.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] mm/pgtable: remove unddefined
 __HAVE_ARCH_P4D_ALLOC_ONE/__HAVE_ARCH_P4D_FREE

On Wed, Jan 07, 2026 at 02:39:10PM +0800, alexs@...nel.org wrote:
> From: Alex Shi <alexs@...nel.org>
> 
> No any archs has ever define __HAVE_ARCH_P4D_ALLOC_ONE/__HAVE_ARCH_P4D_FREE
> So let's remove them.

No, let's not.