于 2011年04月26日 00:19, Roman Mamedov 写道:
On Mon, 25 Apr 2011 22:02:13 +0600
Roman Mamedov<r...@romanrm.ru> wrote:
However as I understood the patch expands the possible DMA area from 1GB to
2GB -- so is there be anything harmful in making that 4GB right away, just
in case (maybe someone will also want to test a 4GB stick in future)?
I think I will try that out right now.
Actually no, since it uses 32-bit addresses to specify both "low" and "high"
address of an area, it is not clear to me if it's even possible specify a
non-zero-size area with "low" at 4GB there. :)
It is almost impossible to support 4GB RAM on Fuloong&Yeeloong.:-[
Now only Loongson3A can support that.
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