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Date: Tue, 26 May 2026 01:21:33 +0000
From: Jaegeuk Kim <jaegeuk@kernel.org>
To: Christoph Hellwig <hch@infradead.org>
Cc: Theodore Tso <tytso@mit.edu>, linux-api@vger.kernel.org,
	linux-kernel@vger.kernel.org, Matthew Wilcox <willy@infradead.org>,
	linux-f2fs-devel@lists.sourceforge.net, linux-mm@kvack.org,
	linux-fsdevel@vger.kernel.org,
	Akilesh Kailash <akailash@google.com>,
	Christian Brauner <christian@brauner.io>
Subject: Re: [f2fs-dev] [PATCH v2] f2fs: another way to set large folio by
 remembering inode number
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In-Reply-To: <ahPffhaOi2CBtWof@infradead.org>

On 05/24, Christoph Hellwig wrote:
> On Fri, May 22, 2026 at 02:04:59PM +0000, Jaegeuk Kim wrote:
> > This was a quick buddyinfo right after booting the device.
> > 
> > Before:
> > Node 0, zone   Normal  22684  42284  28704  16901   9515   4566   1854    673    181     36    758
> > 
> > After disabling EROFS large folio:
> > Node 0, zone   Normal   8486   4732   2175   1161    697    272     82     19      3      1    856
> 
> And what are you trying to say us with that?

This means, high-order pages were used up by EROFS which sets large folio by
default. So, I wanted to say the concern was based on actual data which was what
Mattew asked.

> 
> 
> 
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