linux-kernel - Re: [PATCH v3 07/11] mm: do not split a folio if it has minimum folio order requirement

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Date: Mon, 25 Mar 2024 19:06:04 +0000
From: Matthew Wilcox <willy@...radead.org>
To: "Pankaj Raghav (Samsung)" <kernel@...kajraghav.com>
Cc: linux-xfs@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	gost.dev@...sung.com, chandan.babu@...cle.com, hare@...e.de,
	mcgrof@...nel.org, djwong@...nel.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, david@...morbit.com,
	akpm@...ux-foundation.org, Pankaj Raghav <p.raghav@...sung.com>
Subject: Re: [PATCH v3 07/11] mm: do not split a folio if it has minimum
 folio order requirement

On Wed, Mar 13, 2024 at 06:02:49PM +0100, Pankaj Raghav (Samsung) wrote:
> From: Pankaj Raghav <p.raghav@...sung.com>
> 
> As we don't have a way to split a folio to a any given lower folio
> order yet, avoid splitting the folio in split_huge_page_to_list() if it
> has a minimum folio order requirement.

FYI, Zi Yan's patch to do that is now in Andrew's tree.
c010d47f107f609b9f4d6a103b6dfc53889049e9 in current linux-next (dated
Feb 26)