Re: [PATCH v2 2/6] mm: Introduce pXX_leaf_size()

From: Matthew Wilcox
Date: Thu Nov 26 2020 - 07:44:20 EST


On Thu, Nov 26, 2020 at 01:01:16PM +0100, Peter Zijlstra wrote:
> A number of architectures have non-pagetable aligned huge/large pages.
> For such architectures a leaf can actually be part of a larger entry.
>
> Provide generic helpers to determine the size of a page-table leaf.
>
> Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>

Reviewed-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>