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From: Hugh Dickins <hughd@google.com>
To: Rik van Riel <riel@surriel.com>
Cc: Hugh Dickins <hughd@google.com>, Vlastimil Babka <vbabka@suse.cz>,
	Andrew Morton <akpm@linux-foundation.org>,
	xuyu@linux.alibaba.com, mgorman@suse.de, aarcange@redhat.com,
	willy@infradead.org, linux-kernel@vger.kernel.org,
	kernel-team@fb.com, linux-mm@kvack.org, mhocko@suse.com
Subject: Re: [PATCH v6 0/3] mm,thp,shm: limit shmem THP alloc gfp_mask
Date: Wed, 24 Feb 2021 08:55:40 -0800 (PST)	[thread overview]
Message-ID: <alpine.LSU.2.11.2102240854140.10197@eggly.anvils> (raw)
In-Reply-To: <a7a85f81bd21254805bc91772530f237c9b73c04.camel@surriel.com>

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

  reply	other threads:[~2021-02-24 16:58 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-24 19:49 [PATCH v6 0/3] mm,thp,shm: limit shmem THP alloc gfp_mask Rik van Riel
2020-11-24 19:49 ` [PATCH 1/3] mm,thp,shmem: " Rik van Riel
2020-11-26 16:56   ` Vlastimil Babka
2020-11-27  8:15   ` Michal Hocko
2020-11-24 19:49 ` [PATCH 2/3] mm,thp,shm: limit gfp mask to no more than specified Rik van Riel
2020-11-26 13:40   ` Michal Hocko
2020-11-26 18:04     ` Rik van Riel
2020-11-26 18:04       ` Rik van Riel
2020-11-27  7:52       ` Michal Hocko
2020-11-27 19:03         ` Rik van Riel
2020-11-27 19:03           ` Rik van Riel
2020-11-30 10:00           ` Michal Hocko
2020-11-30 14:40             ` Rik van Riel
2020-11-30 14:40               ` Rik van Riel
2020-11-24 19:49 ` [PATCH 3/3] mm,thp,shmem: make khugepaged obey tmpfs mount flags Rik van Riel
2020-11-26 17:18   ` Vlastimil Babka
2020-11-26 18:14     ` Rik van Riel
2020-11-26 18:14       ` Rik van Riel
2020-11-26 19:42       ` Vlastimil Babka
2020-11-26 20:14         ` Rik van Riel
2020-11-26 20:14           ` Rik van Riel
2020-12-14 21:16 ` [PATCH v6 0/3] mm,thp,shm: limit shmem THP alloc gfp_mask Hugh Dickins
2020-12-14 21:16   ` Hugh Dickins
2020-12-14 22:20   ` Andrew Morton
2020-12-14 22:52   ` Vlastimil Babka
2021-02-24  8:41     ` Hugh Dickins
2021-02-24  8:41       ` Hugh Dickins
2021-02-24 14:46       ` Rik van Riel
2021-02-24 14:46         ` Rik van Riel
2021-02-24 16:55         ` Hugh Dickins [this message]
2021-02-24 16:55           ` Hugh Dickins
2021-02-24 17:10           ` [PATCH 4/3] mm,shmem,thp: limit shmem THP allocations to requested zones Rik van Riel
2021-02-26 12:34             ` Vlastimil Babka

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