[PATCH v1 4/7] arm64/pgtable: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE

Catalin Marinas catalin.marinas at arm.com
Mon Mar 21 11:27:33 PDT 2022


On Mon, Mar 21, 2022 at 05:44:05PM +0000, Will Deacon wrote:
> On Mon, Mar 21, 2022 at 04:07:48PM +0100, David Hildenbrand wrote:
> > So the example you gave cannot possibly have that bit set. From what I
> > understand, it should be fine. But I have no real preference: I can also
> > just stick to the original patch, whatever you prefer.
> 
> I think I'd prefer to stay on the safe side and stick with bit 2 as you
> originally proposed. If we need to support crazy numbers of swapfiles
> in future then we can revisit the idea of allocating bit 1.

Sounds fine to me. David, feel free to keep my reviewed-by on the
original patch.

-- 
Catalin



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