modify the cache-inhibit and guard bits from userspace?
Christopher Friesen
cfriesen at nortel.com
Wed Nov 16 10:15:58 EST 2005
Arnd Bergmann wrote:
> I have seen an earlier patch that modifies madvise to do this, which seems
> a little saner than mprotect, although they can probably both be implemented
> in a similar way.
Ah, that would make sense. It does fit the intent of the function a bit
better.
> Alternatively, you could write a new file system similar to hugetlbfs and set
> the cache-inhibit bit in its mmap function.
Also a possibility. I think the madvise method is a bit cleaner for the
apps.
Chris
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