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Date:   Mon, 1 Jun 2020 02:12:27 +0300
From:   Jarkko Sakkinen <>
To:     Dave Hansen <>
        Jethro Beekman <>
Subject: Re: [PATCH v30 09/20] mm: Introduce vm_ops->may_mprotect()

On Fri, May 29, 2020 at 11:28:56AM -0700, Dave Hansen wrote:
> On 5/14/20 5:43 PM, Jarkko Sakkinen wrote:
> > From: Sean Christopherson <>
> > 
> > Add vm_ops()->may_mprotect() to check additional constrains set by a
> > subsystem for a mprotect() call.
> This changelog needs some more detail about why this is needed.  It
> would also be nice to include thought about what else it could get used
> for and what subsystems can expect by doing this and what the mm core is
> expected to do.

Point taken. I added a description on how it is used.


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