Re: [PATCH net-next v4 1/4] mm: add a signature in struct page

[Matthew Wilcox]

On Tue, May 11, 2021 at 05:25:36PM +0300, Ilias Apalodimas wrote:
> Nope not at all, either would work. we'll switch to that

You'll need something like this because of the current use of
page->index to mean "pfmemalloc".