On 11/16/2018 09:21 PM, Keith Busch wrote: > On Fri, Nov 16, 2018 at 11:57:58AM +0530, Anshuman Khandual wrote: >> On 11/15/2018 04:19 AM, Keith Busch wrote: >>> This series provides a new sysfs representation for heterogeneous >>> system memory. >>> >>> The previous series that was specific to HMAT that this series was based >>> on was last posted here: https://lkml.org/lkml/2017/12/13/968 >>> >>> Platforms may provide multiple types of cpu attached system memory. The >>> memory ranges for each type may have different characteristics that >>> applications may wish to know about when considering what node they want >>> their memory allocated from. >>> >>> It had previously been difficult to describe these setups as memory >>> rangers were generally lumped into the NUMA node of the CPUs. New >>> platform attributes have been created and in use today that describe >>> the more complex memory hierarchies that can be created. >>> >>> This series first creates new generic APIs under the kernel's node >>> representation. These new APIs can be used to create links among local >>> memory and compute nodes and export characteristics about the memory >>> nodes. Documentation desribing the new representation are provided. >>> >>> Finally the series adds a kernel user for these new APIs from parsing >>> the ACPI HMAT. >> >> Not able to see the patches from this series either on the list or on the >> archive (https://lkml.org/lkml/2018/11/15/331). > > The send-email split the cover-letter from the series, probably > something I did. Series followed immediately after: > > https://lkml.org/lkml/2018/11/15/332 Yeah got it. I can see the series on the list. Thanks for pointing out. > >> IIRC last time we discussed >> about this and the concern which I raised was in absence of a broader NUMA >> rework for multi attribute memory it might not a good idea to settle down >> and freeze sysfs interface for the user space. >
