Re: mprotect(2) and I-cache/I-TLB

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From: NIIBE Yutaka <gniibe@xxxxxxxx>
Date: Sat, 08 Dec 2007 16:11:53 +0900

> I would like to ask architecture maintainers to try this small
> program if CPU has virtual cache and I/D separate.

Doesn't work on sparc :-)

davem@sunset:~/src/GIT/net-2.6.25$ ./test
mremap_page: Invalid argument
davem@sunset:~/src/GIT/net-2.6.25$ 

I think the fixed case enforces D-cache alias alignment
for cases like this and that's why it's failing.
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