Re: [GIT PULL] f2fs update for 4.18-rc1

From: Jaegeuk Kim
Date: Mon Jun 11 2018 - 13:40:16 EST


On 06/11, Linus Torvalds wrote:
> On Mon, Jun 11, 2018 at 9:52 AM Jaegeuk Kim <jaegeuk@xxxxxxxxxx> wrote:
> >
> > In order to avoid old MM bug [1], we decided not to use __GFP_ZERO
> > for the mapping for node and meta page caches.
> >
> > [1] https://lkml.org/lkml/2018/4/8/661
>
> Hmm. The patch there looks correct, and anybody who relies on slab
> constructors is crazy.
>
> That email from April says it should go into stable, but it never even
> went upstream..

Heh, I forgot to link the latest results. The MM fix was merged by:

abc1be13fd11 ("mm/filemap.c: fix NULL pointer in page_cache_tree_insert()")

Thanks,

>
> Adding Willy to the cc, for comments, since he's been active there and
> is probably the maintainer even if the MAINTAINERS file doesn't say
> so..
>
> Willy?
>
> Linus