Re: [PATCH] mm: D-cache aliasing issue in cow_user_page

From: David Miller
Date: Tue Dec 05 2006 - 20:00:14 EST


From: "Matt Reimer" <mattjreimer@xxxxxxxxx>
Date: Tue, 5 Dec 2006 16:57:12 -0800

> Right, but isn't he declaring that each architecture needs to take
> care of this? So, say, on ARM we'd need to make kunmap() not a NOP and
> call flush_dcache_page() ?

No. He is only solving a problem that occurs on HIGHMEM
configurations on systems which can have D-cache aliasing
issues.
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