Re: [PATCH v14 2/7] mm: add VM_DROPPABLE for designating always lazily freeable mappings

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On Tue, Jan 03, 2023 at 12:15:57PM -0800, Linus Torvalds wrote:
> On Tue, Jan 3, 2023 at 12:03 PM Jason A. Donenfeld <Jason@xxxxxxxxx> wrote:
> >
> > That buffering cannot be done safely currently
> 
> .. again, this is "your semantics" (the (b) in my humbug list), not
> necessarily reality for anybody else.

Yea that's fair. Except, of course, I maintain that my semantics are
important ones. :)

> I'm NAK'ing making invasive changes to the VM for something this
> specialized. I really believe that the people who have this issue are
> *so* few and far between that they can deal with the VM forking and
> reseeding issues quite well on their own.

Okay, that's fine. I'll see if I can make this work without having to do
surgery on mm and introduce a new VM_* flag and such. Hopefully I'll
succeed there.

Jason




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