[PATCH 3/6] struct page: add field for vm_struct

[Christopher Lameter]

On Sat, 3 Feb 2018, Igor Stoppa wrote:

> - the property of the compound page will affect the property of all the
> pages in the compound, so when one is write protected, it can generate a
> lot of wasted memory, if there is too much slack (because of the order)
> With vmalloc, I can allocate any number of pages, minimizing the waste.

I thought the intend here is to create a pool where the whole pool becomes
RO?
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