Messages in this thread | | | From | KOSAKI Motohiro <> | Date | Thu, 3 Apr 2014 18:41:48 -0400 | Subject | Re: [RFC PATCH] memory driver: make phys_index/end_phys_index reflect the start/end section number |
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On Wed, Apr 2, 2014 at 12:09 PM, Dave Hansen <dave.hansen@intel.com> wrote: > On 04/02/2014 01:56 AM, Li Zhong wrote: >> I noticed the phys_index and end_phys_index under >> /sys/devices/system/memory/memoryXXX/ have the same value, e.g. >> (for the test machine, one memory block has 8 sections, that is >> sections_per_block equals 8) >> >> # cd /sys/devices/system/memory/memory100/ >> # cat phys_index end_phys_index >> 00000064 >> 00000064 >> >> Seems they should reflect the start/end section number respectively, which >> also matches what is said in Documentation/memory-hotplug.txt > > This changes a user-visible interface. Won't this break userspace?
But who uses this? This is totally broken and I think nobody can use meaningfully. I bet we can fix this right now.
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