On 2019-05-07 01:39, Dan Williams wrote:
Towards enabling memory hotplug to track partial population of a
section, introduce 'struct mem_section_usage'.
A pointer to a 'struct mem_section_usage' instance replaces the
existing
pointer to a 'pageblock_flags' bitmap. Effectively it adds one more
On 2019-05-07 01:40, Dan Williams wrote:
Prepare the memory hot-{add,remove} paths for handling sub-section
ranges by plumbing the starting page frame and number of pages being
handled through arch_{add,remove}_memory() to
sparse_{add,remove}_one_section().
This is simply plumbing, small cleanup
On 2019-05-07 01:39, Dan Williams wrote:
Prepare for hot{plug,remove} of sub-ranges of a section by tracking a
sub-section active bitmask, each bit representing a PMD_SIZE span of
the
architecture's memory hotplug section size.
The implications of a partially populated section is that pfn_vali
