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SubjectRe: Does Linux have plan to support memory hole remapping?
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Date
"Zhao Forrest" <forrest.zhao@gmail.com> writes:
>
> As we can see from above information that the physical memory in system
> is 32768MB(32GB). However OS is only using about
> (32768-512)MB(MemTotal: 33010240 kB). Does this mean that this
> linux kernel can't use the physical memory remapped
> from (4G-512M, 4G) to (32G, 32G+512M)?

The linux kernel can only use the memory passed to it by the BIOS.
Sometimes they need special BIOS setup options to enable remapping. If
there are no such options and you can't upgrade it you're out of luck

I would suggest you contact your system vendor.

-Andi


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