YAMAMOTO Takashi <yamt@mwd.biglobe.ne.jp> writes:

> but IMO, if they're consuming much memory, they should concern
> about memory shortage instead of genfs layer. (they can do sync i/o
> even when genfs layer wants async i/o)
> 
> about pagermap, maybe we should throw it away and
> do physical address based i/o. :-)

Yes, I agree with you.  I was just interested in about effect of this
kernel behaviour change.

enami.