Re: [PATCH 0/3] mincore() and IOCB_NOWAIT adjustments

From: Andrew Morton
Date: Wed Mar 06 2019 - 17:35:52 EST


On Wed, 6 Mar 2019 13:11:39 +0100 (CET) Jiri Kosina <jikos@xxxxxxxxxx> wrote:

> On Wed, 30 Jan 2019, Vlastimil Babka wrote:
>
> > I've collected the patches from the discussion for formal posting. The first
> > two should be settled already, third one is the possible improvement I've
> > mentioned earlier, where only in restricted case we resort to existence of page
> > table mapping (the original and later reverted approach from Linus) instead of
> > faking the result completely. Review and testing welcome.
> >
> > The consensus seems to be going through -mm tree for 5.1, unless Linus wants
> > them alredy for 5.0.
> >
> > Jiri Kosina (2):
> > mm/mincore: make mincore() more conservative
> > mm/filemap: initiate readahead even if IOCB_NOWAIT is set for the I/O
> >
> > Vlastimil Babka (1):
> > mm/mincore: provide mapped status when cached status is not allowed
>
> Andrew,
>
> could you please take at least the correct and straightforward fix for
> mincore() before we figure out how to deal with the slightly less
> practical RWF_NOWAIT? Thanks.

I assume we're talking about [1/3] and [2/3] from this thread?

Can we have a resend please? Gather the various acks and revisions,
make changelog changes to address the review questions and comments?

Thanks.