linux-kernel - Re: [RFC 06/23] mm: call xas_set_order() in replace_page_cache

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Message-ID: <ZQiWomUH5HRQxJ2l@bombadil.infradead.org>
Date:   Mon, 18 Sep 2023 11:27:46 -0700
From:   Luis Chamberlain <mcgrof@...nel.org>
To:     Matthew Wilcox <willy@...radead.org>
Cc:     Pankaj Raghav <kernel@...kajraghav.com>, linux-xfs@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, p.raghav@...sung.com,
        david@...morbit.com, da.gomez@...sung.com,
        akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
        djwong@...nel.org, linux-mm@...ck.org, chandan.babu@...cle.com,
        gost.dev@...sung.com
Subject: Re: [RFC 06/23] mm: call xas_set_order() in
 replace_page_cache_folio()

On Fri, Sep 15, 2023 at 08:46:10PM +0100, Matthew Wilcox wrote:
> On Fri, Sep 15, 2023 at 08:38:31PM +0200, Pankaj Raghav wrote:
> > From: Luis Chamberlain <mcgrof@...nel.org>
> > 
> > Call xas_set_order() in replace_page_cache_folio() for non hugetlb
> > pages.
> 
> This function definitely should work without this patch.  What goes wrong?

As with batch delete I was just trying to take care to be explicit about
setting the order for a) ddition and b) removal. Will drop as well after
confirming, thanks!

  Luis