linux-kernel - Re: [RFC v2 0/8] add support for blocksize > PAGE

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 for Android: free password hash cracker in your pocket

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

Message-ID: <ZHBtk3mmupubbWyc@infradead.org>
Date:   Fri, 26 May 2023 01:28:03 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Luis Chamberlain <mcgrof@...nel.org>
Cc:     Christoph Hellwig <hch@...radead.org>, hughd@...gle.com,
        akpm@...ux-foundation.org, willy@...radead.org, brauner@...nel.org,
        djwong@...nel.org, p.raghav@...sung.com, da.gomez@...sung.com,
        rohan.puri@...sung.com, rpuri.linux@...il.com,
        a.manzanares@...sung.com, dave@...olabs.net, yosryahmed@...gle.com,
        keescook@...omium.org, hare@...e.de, kbusch@...nel.org,
        patches@...ts.linux.dev, linux-block@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [RFC v2 0/8] add support for blocksize > PAGE_SIZE

On Fri, May 26, 2023 at 01:18:19AM -0700, Luis Chamberlain wrote:
> On Fri, May 26, 2023 at 01:14:55AM -0700, Christoph Hellwig wrote:
> > On Fri, May 26, 2023 at 12:55:44AM -0700, Luis Chamberlain wrote:
> > > This is an initial attempt to add support for block size > PAGE_SIZE for tmpfs.
> > 
> > The concept of a block size doesn't make any sense for tmpfs.   What
> > are you actually trying to do here?
> 
> More of helping to test high order folios for tmpfs. Swap for instance
> would be one thing we could use to test.

I'm still not sure where the concept of a block size would come in here.