在 2023/11/18 22:54, Marciniszyn, Mike 写道:
From: Mike Marciniszyn <mike.marciniszyn@xxxxxxxxx>
64k pages introduce the situation in this diagram when the HCA
Only ARM64 architecture supports 64K page size?
Arm supports multiple page_sizes. The problematic combination is when
the HCA needs a SMALLER page size than the PAGE_SIZE.
Thanks a lot. Perhaps RXE also needs this feature "the HCA needs a
SMALLER page size than the PAGE_SIZE". But I do not have such test
environment at hand.
If we can setup a test environment on x86_64 architecture, it is very
convenient for me to make tests and development.
Reviewed-by: Zhu Yanjun <yanjun.zhu@xxxxxxxxx>
Zhu Yanjun
The kernel configuration can select from
Is it possible that x86_64 also supports 64K page size?
x86_64 supports larger page_sizes for TLB optimization, but the default minimum is always 4K.
Mike