Messages in this thread | | | From | Linus Torvalds <> | Date | Wed, 13 Jan 2021 11:54:44 -0800 | Subject | Re: [PATCH 0/1] mm: restore full accuracy in COW page reuse |
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On Wed, Jan 13, 2021 at 4:56 AM Matthew Wilcox <willy@infradead.org> wrote: > > Yes, Linus mis-stated it:
Yeah, I got the order wrong.
> ... but as David pointed out, I fixed this in e320d3012d25
.. and I must have seen it, but not really internalized it.
And now that I look at it more closely, I'm actually surprised that other than the magic "speculative first page" case we don't seem to use page reference counting for non-order-0 pages (which would break that hack horribly).
Linus
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