On Wed, May 28, 2014 at 9:08 AM, Steven Rostedt <rost...@goodmis.org> wrote:
>
> What performance impact are you looking for? Now if the system is short
> on memory, it would probably cause issues in creating tasks.
It doesn't necessarily need to be short on memory, it could just be
fragmented. But a page order of 2 should still be ok'ish.
That said, this is definitely not a rc7 issue. I'd *much* rather
disable swap from direct reclaim, although that kind of patch too
would be a "can Minchan test it, we can put it in the next merge
window and then backport it if we don't have issues".
I see that Johannes already did a patch for that (and this really
_has_ come up before), although I'd skip the WARN_ON_ONCE() part
except for perhaps Minchan testing it.
Linus
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