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I’m testing CPU’s hardware prefetcher.
It is known that the prefetching occurs up to a page boundary.
I want to make sure that my test works right.
Anybody know how I can change virtual page size in linux?
On x86-64, the only page sizes supported by the hardware are 4kb and 2MB. 4kb is used by default; for 2MB pages, you can use Linux’s hugetlb system to allocate them.