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Id: 126991
Status: new
Priority: 0/
Queue: Linux-Smaps

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Owner: Nobody in particular
Requestors: s.zuban [...] gmail.com
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Subject: support ProtectionKey on kernels 4.9+
Date: Wed, 29 Aug 2018 21:20:13 -0700
To: bug-Linux-Smaps [...] rt.cpan.org
From: Sergiy Zuban <s.zuban [...] gmail.com>
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With modern kernels dies with "not parsed: ProtectionKey: 0" error. Per http://man7.org/linux/man-pages/man5/proc.5.html The "ProtectionKey" line (available since Linux 4.9, on x86 Show quoted text
> > only) contains the memory protection key (see pkeys(7)) asso‐ > > ciated with the virtual memory area. > >
ProtectionKey availability depends on hardware as well. For example, on AWS m3 instances it's missing, but present for m4 instances. Sergiy Zuban


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