Re: 2.6.25-rc7-git2: Reported regressions from 2.6.24

From: Linus Torvalds
Date: Fri Mar 28 2008 - 16:00:32 EST




On Fri, 28 Mar 2008, Linus Torvalds wrote:
>
> It would be better if we actually passed in the gfp_flags, and then we
> could test the __GFP_HIGH bit rather than the page address. But for now,
> the rule is that GFP_ATOMIC and __GFP_ZERO do not work together, because
> this sanity test currently cannot work for that case.

Gaah. Sadly, we don't actually have any reasonably sane way of doing that.

So I guess we'll have to lose the coverage of kmap_atomic() in other
places, even though the only case where this was worth losing it for was
that one clear_highpage() call site :/

Linus
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