On Tue, Aug 15, 2017 at 3:56 PM, Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> Except they really don't actually work for this case, exactly because
> they also simplify away "minor" details like exclusive vs
> non-exclusive etc.
>
> The page wait-queue very much has a mix of "wake all" and "wake one" semantics.
Oh, and the page wait-queue really needs that key argument too, which
is another thing that swait queue code got rid of in the name of
simplicity.
So no. The swait code is absolutely _entirely_ the wrong thing to use.
Linus
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