Re: [Lhms-devel] [PATCH 4/10] hot-add-mem x86_64: Enable SPARSEMEM in srat.c

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Keith Mannthey wrote:
From: Keith Mannthey <[email protected]>

 Enable x86_64 srat.c to share code between both reserve and sparsemem based add memory
paths. Both paths need the hot-add area node locality infomration (nodes_add). This code refactors the code path to allow this.
Signed-off-by: Keith Mannthey<[email protected]>
Ok nice, but.... hotadd_enough_memory() is broken, it does weird things with nd->start and nd->end which haven't been assigned even values yet. Also, mysterious business with find_e820_area and last_area_end...These areas are not in e820...

And why the reserve_bootmem_node()? Areas not RAM (per e820) are reserved anyways.


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