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Date: Wed, 29 Apr 2015 14:18:49 -0700
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Subject: Re: Regression: Requiring CAP_SYS_ADMIN for /proc/<pid>/pagemap
 causes application-level breakage
From: Linus Torvalds <torvalds@linux-foundation.org>
To: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: Konstantin Khlebnikov <koct9i@gmail.com>,
        Mark Williamson <mwilliamson@undo-software.com>,
        Mark Seaborn <mseaborn@chromium.org>,
        kernel list <linux-kernel@vger.kernel.org>,
        "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
        Pavel Emelyanov <xemul@parallels.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Andy Lutomirski <luto@amacapital.net>,
        Linux API <linux-api@vger.kernel.org>,
        Finn Grimwood <fgrimwood@undo-software.com>,
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On Wed, Apr 29, 2015 at 2:05 PM, Kirill A. Shutemov
<kirill@shutemov.name> wrote:
>
> This sounds too ugly to be exposed it as ABI.

Oh, pretty it ain't. However, regressions in many ways are worse. If
it makes it possible to not regress...

                     Linus
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