linux-kernel - Re: [PATCH RFC] mm: Add f

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Message-ID: <YiQ6M/FsdHRV41DF@casper.infradead.org>
Date:   Sun, 6 Mar 2022 04:36:03 +0000
From:   Matthew Wilcox <willy@...radead.org>
To:     Jarkko Sakkinen <jarkko@...nel.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Nathaniel McCallum <nathaniel@...fian.com>,
        Reinette Chatre <reinette.chatre@...el.com>,
        linux-sgx@...r.kernel.org, linux-mips@...r.kernel.org,
        linux-kernel@...r.kernel.org, intel-gfx@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org, codalist@...a.cs.cmu.edu,
        linux-unionfs@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-mm@...ck.org
Subject: Re: [PATCH RFC] mm: Add f_ops->populate()

On Sun, Mar 06, 2022 at 06:25:52AM +0200, Jarkko Sakkinen wrote:
> > Are you deliberately avoiding the question?  I'm not asking about
> > implementation.  I'm asking about the semantics of MAP_POPULATE with
> > your driver.
> 
> No. I just noticed a bug in the guard from your comment that I wanted
> point out.
> 
> With the next version I post the corresponding change to the driver,
> in order to see this in context.

Oh, good grief.  Don't bother.  NAK.