Re: [PATCH V4] mm: Add sysfs interface to dump each node's zonelist information

From	Dave Hansen <dave.hansen@intel.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH V4] mm: Add sysfs interface to dump each node's zonelist information
Date	2016-09-08 22:30 +0200
Message-ID	<sfe7n-23T-9@gated-at.bofh.it> (permalink)
References	<sek5c-7Zs-13@gated-at.bofh.it> <seXzA-8qS-11@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On 09/07/2016 07:46 PM, Anshuman Khandual wrote:
> after memory or node hot[un]plug is desirable. This change adds one
> new sysfs interface (/sys/devices/system/memory/system_zone_details)
> which will fetch and dump this information.

Doesn't this violate the "one value per file" sysfs rule?  Does it
belong in debugfs instead?

I also really question the need to dump kernel addresses out, filtered
or not.  What's the point?

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[PATCH V2 1/2] mm: Export definition of 'zone_names' array through mmzone.h Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2016-09-06 07:40 +0200
  [PATCH V2 2/2] mm: Add sysfs interface to dump each node's zonelist information Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2016-09-06 07:40 +0200
    Re: [PATCH V2 2/2] mm: Add sysfs interface to dump each node's  zonelist information kbuild test robot <lkp@intel.com> - 2016-09-06 08:20 +0200
      Re: [PATCH V2 2/2] mm: Add sysfs interface to dump each node's zonelist  information Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2016-09-06 08:50 +0200
    [PATCH V3] mm: Add sysfs interface to dump each node's zonelist information Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2016-09-06 10:40 +0200
      Re: [PATCH V3] mm: Add sysfs interface to dump each node's zonelist  information kbuild test robot <lkp@intel.com> - 2016-09-06 11:10 +0200
        Re: [PATCH V3] mm: Add sysfs interface to dump each node's zonelist  information Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2016-09-07 14:40 +0200
      Re: [PATCH V3] mm: Add sysfs interface to dump each node's zonelist  information Dave Hansen <dave.hansen@intel.com> - 2016-09-06 22:40 +0200
        Re: [PATCH V3] mm: Add sysfs interface to dump each node's zonelist information Kees Cook <keescook@chromium.org> - 2016-09-07 05:10 +0200
          Re: [PATCH V3] mm: Add sysfs interface to dump each node's zonelist  information Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2016-09-07 06:10 +0200
      [PATCH V4] mm: Add sysfs interface to dump each node's zonelist information Anshuman Khandual <khandual@linux.vnet.ibm.com> - 2016-09-08 04:50 +0200
        Re: [PATCH V4] mm: Add sysfs interface to dump each node's zonelist  information kbuild test robot <lkp@intel.com> - 2016-09-08 09:50 +0200
        Re: [PATCH V4] mm: Add sysfs interface to dump each node's zonelist  information Dave Hansen <dave.hansen@intel.com> - 2016-09-08 22:30 +0200

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