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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 08/10/2020 16:36, Ard Biesheuvel wrote: > Now that we have reverted the introduction of the vmemmap struct page > pointer and the separate physvirt_offset, we can simplify things further, > and place the vmemmap region in the VA space in such a way that virtual > to page translations and vice versa can be implemented using a single > arithmetic shift. > > One happy coincidence resulting from this is that the 48-bit/4k and > 52-bit/64k configurations (which are assumed to be the two most > prevalent) end up with the same placement of the vmemmap region. In > a subsequent patch, we will take advantage of this, and unify the > memory maps even more. > > Signed-off-by: Ard Biesheuvel Reviewed-by: Steve Capper Cheers, -- Steve _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel