On 19-05-01 22:55:37, Dan Williams wrote:
> Prepare for hot{plug,remove} of sub-ranges of a section by tracking a
> section active bitmask, each bit representing 2MB (SECTION_SIZE (128M) /
> map_active bitmask length (64)). If it turns out that 2MB is too large
> of an active tracking granularity it is trivial to increase the size of
> the map_active bitmap.
>
> The implications of a partially populated section is that pfn_valid()
> needs to go beyond a valid_section() check and read the sub-section
> active ranges from the bitmask.
>
> Cc: Michal Hocko <mho...@suse.com>
> Cc: Vlastimil Babka <vba...@suse.cz>
> Cc: Logan Gunthorpe <log...@deltatee.com>
> Tested-by: Jane Chu <jane....@oracle.com>
> Signed-off-by: Dan Williams <dan.j.willi...@intel.com>
Hi Dan,
I have sent comments to the previous version of this patch:
https://lore.kernel.org/lkml/ca+ck2bafncvyz956jptnq+aqhjs7uy1zqwfl8fsufwqodkx...@mail.gmail.com/
I think they still apply to this one.
Thank you,
Pasha
_______________________________________________
Linux-nvdimm mailing list
Linux-nvdimm@lists.01.org
https://lists.01.org/mailman/listinfo/linux-nvdimm
