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Date:   Wed, 06 Dec 2017 15:51:44 +1100
From:   Michael Ellerman <>
To:     Cyril Hrubis <>, Michal Hocko <>
Cc:     Kees Cook <>,
        Linux API <>,
        Khalid Aziz <>,
        Andrew Morton <>,
        Russell King - ARM Linux <>,
        Andrea Arcangeli <>,
        Linux-MM <>,
        LKML <>,
        linux-arch <>,
        Florian Weimer <>,
        John Hubbard <>,
        Abdul Haleem <>,
        Joel Stanley <>
Subject: Re: [PATCH 0/2] mm: introduce MAP_FIXED_SAFE

Cyril Hrubis <> writes:

> Hi!
>> Well, I can open a poll for the best name, but none of those you are
>> proposing sound much better to me. Yeah, naming sucks...
> Given that MAP_FIXED replaces the previous mapping MAP_FIXED_NOREPLACE
> would probably be a best fit.

Yeah that could work.

I prefer "no clobber" as I just suggested, because the existing
MAP_FIXED doesn't politely "replace" a mapping, it destroys the current
one - which you or another thread may be using - and clobbers it with
the new one.


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