Re: [PATCH v6 0/3] mm,thp,shm: limit shmem THP alloc gfp_mask

[Hugh Dickins]

On Wed, 24 Feb 2021, Rik van Riel wrote:
> On Wed, 2021-02-24 at 00:41 -0800, Hugh Dickins wrote:
> > On Mon, 14 Dec 2020, Vlastimil Babka wrote:
> > 
> > > > (There's also a specific issue with the gfp_mask limiting: I have
> > > > not yet reviewed the allowing and denying in detail, but it looks
> > > > like it does not respect the caller's GFP_ZONEMASK - the gfp in
> > > > shmem_getpage_gfp() and shmem_read_mapping_page_gfp() is there to
> > > > satisfy the gma500, which wanted to use shmem but could only
> > manage
> > > > DMA32.  I doubt it wants THPS, but shmem_enabled=force forces
> > them.)
> > 
> > Oh, I'd forgotten all about that gma500 aspect:
> > well, I can send a fixup later on.
> 
> I already have code to fix that, which somebody earlier
> in this discussion convinced me to throw away. Want me
> to send it as a patch 4/3 ?

If Andrew wants it all, yes, please do add that - thanks Rik.

Hugh