linux-kernel - Re: [PATCH 0/4] use mmgrab

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Message-ID: <alpine.DEB.2.21.2001031344480.2982@hadrien>
Date:   Fri, 3 Jan 2020 13:47:49 +0100 (CET)
From:   Julia Lawall <julia.lawall@...ia.fr>
To:     Dan Carpenter <dan.carpenter@...cle.com>
cc:     kvm@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Cornelia Huck <cohuck@...hat.com>,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        openrisc@...ts.librecores.org
Subject: Re: [PATCH 0/4] use mmgrab



On Fri, 3 Jan 2020, Dan Carpenter wrote:

> On Sun, Dec 29, 2019 at 04:42:54PM +0100, Julia Lawall wrote:
> > Mmgrab was introduced in commit f1f1007644ff ("mm: add new mmgrab()
> > helper") and most of the kernel was updated to use it. Update a few
> > remaining files.
>
> I wonder if there is an automatic way to generate these kind of
> Coccinelle scripts which use inlines instead of open coding.  Like maybe
> make a list of one line functions, and then auto generate a recipe.  Or
> the mmgrab() function could have multiple lines if the first few were
> just sanity checks for NULL or something...

I tried this at one point (10 years ago!):

https://pages.lip6.fr/Julia.Lawall/acp4is09-lawall.pdf

Perhaps it is worth reviving.

julia