Re: Switching TestSetPageLocked to trylock_page

[Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>]

On Tue, 5 Aug 2008, Nick Piggin wrote:

> On Thursday 31 July 2008 17:26, Nick Piggin wrote:
> > Hi,
> >
> > I'm wondering if I could get a patch merged which changes all
> > TestSetPageLocked and replaces them with trylock_page?
> 
> Yes? No?
> 
> The alternative is try to merge it via -mm or -next, but that just
> wastes everybodies time with conflicts of having these differences
> between -mm and mainline.

Heh. I had just been _assuming_ this would go through -mm, since it's 
exactly the kind of thing that usually does go through there.

So I hadn't even really considered it.

I don't mind the patch per se, but can you give some background on what 
the pending optimization is that makes such a big difference?

		Linus
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