linux-kernel - Re: [PATCH v2 2/2] mm: speed up mremap by 500x on large regions

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Message-ID: <20181013014429.GB207108@joelaf.mtv.corp.google.com>
Date:   Fri, 12 Oct 2018 18:44:29 -0700
From:   Joel Fernandes <joel@...lfernandes.org>
To:     Daniel Colascione <dancol@...gle.com>
Cc:     David Miller <davem@...emloft.net>, kirill@...temov.name,
        linux-kernel <linux-kernel@...r.kernel.org>,
        kernel-team@...roid.com, Minchan Kim <minchan@...nel.org>,
        Ramon Pantin <pantin@...gle.com>, hughd@...gle.com,
        Lokesh Gidra <lokeshgidra@...gle.com>,
        Michal Hocko <mhocko@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        aryabinin@...tuozzo.com, luto@...nel.org, bp@...en8.de,
        catalin.marinas@....com, chris@...kel.net,
        dave.hansen@...ux.intel.com, elfring@...rs.sourceforge.net,
        fenghua.yu@...el.com, geert@...ux-m68k.org, gxt@....edu.cn,
        deller@....de, mingo@...hat.com, jejb@...isc-linux.org,
        jdike@...toit.com, jonas@...thpole.se, Julia.Lawall@...6.fr,
        kasan-dev@...glegroups.com, kvmarm@...ts.cs.columbia.edu,
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        linux-mm <linux-mm@...ck.org>, linux-parisc@...r.kernel.org,
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        Peter Zijlstra <peterz@...radead.org>, richard@....at
Subject: Re: [PATCH v2 2/2] mm: speed up mremap by 500x on large regions

On Fri, Oct 12, 2018 at 06:39:45PM -0700, Daniel Colascione wrote:
> Not 32-bit ARM?

Well, I didn't want to enable every possible architecture we could in a
single go. Certainly arm32 can be a follow on enablement as can be other
architectures. The point of this series is to upstream this feature and
enable a hand-picked few architectures as a first step.

thanks,

 - Joel