linux-kernel - Re: [PATCH] mm/filemap: allocate folios according to the blocksize

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <ZDlbidnLtgYGMXie@casper.infradead.org>
Date:   Fri, 14 Apr 2023 14:56:25 +0100
From:   Matthew Wilcox <willy@...radead.org>
To:     Hannes Reinecke <hare@...e.de>
Cc:     Pankaj Raghav <p.raghav@...sung.com>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        mcgrof@...nel.org
Subject: Re: [PATCH] mm/filemap: allocate folios according to the blocksize

On Fri, Apr 14, 2023 at 03:49:08PM +0200, Hannes Reinecke wrote:
> If the blocksize is larger than the pagesize allocate folios
> with the correct order.

I think you also need to get the one in page_cache_ra_unbounded()
and page_cache_ra_order() also needs some love?

It might help to put an assertion in __filemap_add_folio() to be sure
we're not doing something unacceptable.