linux-kernel - Re: [RFC] Re: Costless huge virtual memory? /dev/same, /dev/null?

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Message-ID: <20170413162946.jxyzfdggia2gge76@var.youpi.perso.aquilenet.fr>
Date:   Thu, 13 Apr 2017 18:29:46 +0200
From:   Samuel Thibault <samuel.thibault@...-lyon.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arnd Bergmann <arnd@...db.de>, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org
Subject: Re: [RFC] Re: Costless huge virtual memory? /dev/same, /dev/null?

(Ideally we'd be able to take the MAP_HUGETLB mmap flag into account to
map a single huge page repeatedly, even lowering the populating cost,
but AIUI of the current hugepage support it would be far from easy)

Samuel