On Mon, 07 Aug 2006 17:56:56 -0700
keith mannthey <[email protected]> wrote:
> I know of no x86_64 hardware the supports empty node hot-add memory. If
> it exists I would recommend using SPARSEMEM based hot-add. On HW I am
> aware of there is always some memory present in a node at boot.
>
>
O.K one more.
I know x86_64 has ZONE_DMA32. A system boot with only memory below 4G
has no avilable memory in ZONE_NORMAL. If a new memory above 4G is added,
ZONE_NORMAL comes as *new* zone.
ZONE_NORMAL is empty at boot, so it's not in zonelist at boot.
is this not problem ?
-Kame
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