From: Daniel Vetter <daniel.vetter@ffwll.ch>
To: Matthew Wilcox <willy@infradead.org>
Cc: DRI Development <dri-devel@lists.freedesktop.org>,
Intel Graphics Development <intel-gfx@lists.freedesktop.org>,
"Paul E . McKenney" <paulmck@kernel.org>,
Christoph Lameter <cl@linux.com>,
Pekka Enberg <penberg@kernel.org>,
David Rientjes <rientjes@google.com>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Andrew Morton <akpm@linux-foundation.org>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@kernel.org>, Vlastimil Babka <vbabka@suse.cz>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
Michel Lespinasse <walken@google.com>,
Waiman Long <longman@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>,
Randy Dunlap <rdunlap@infradead.org>,
Linux MM <linux-mm@kvack.org>,
linux-fsdevel@vger.kernel.org, Dave Chinner <david@fromorbit.com>,
Qian Cai <cai@lca.pw>,
linux-xfs@vger.kernel.org,
Daniel Vetter <daniel.vetter@intel.com>
Subject: Re: [PATCH 04/65] mm: Extract might_alloc() debug check
Date: Fri, 23 Oct 2020 16:37:01 +0200
Message-ID: <CAKMK7uESHHHzEC2U3xVKQEBZqS5xwQJeYFpwMz3b8OaoFEYcUQ@mail.gmail.com> (raw)
In-Reply-To: <20201023141619.GC20115@casper.infradead.org>
On Fri, Oct 23, 2020 at 4:16 PM Matthew Wilcox <willy@infradead.org> wrote:
>
> On Fri, Oct 23, 2020 at 02:21:15PM +0200, Daniel Vetter wrote:
> > Note that unlike fs_reclaim_acquire/release gfpflags_allow_blocking
> > does not consult the PF_MEMALLOC flags. But there is no flag
> > equivalent for GFP_NOWAIT, hence this check can't go wrong due to
> > memalloc_no*_save/restore contexts.
>
> I have a patch series that adds memalloc_nowait_save/restore.
tbh this was a typoed git send-email, but thanks for the heads-up,
I'll adjust the patch accordingly.
Cheers, Daniel
> https://lore.kernel.org/linux-mm/20200625113122.7540-7-willy@infradead.org/
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
next prev parent reply index
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20201021163242.1458885-1-daniel.vetter@ffwll.ch>
[not found] ` <20201023122216.2373294-1-daniel.vetter@ffwll.ch>
2020-10-23 12:21 ` [PATCH 03/65] mm: Track mmu notifiers in fs_reclaim_acquire/release Daniel Vetter
2020-10-27 18:51 ` Christoph Hellwig
2020-10-27 19:01 ` Daniel Vetter
2020-10-23 12:21 ` [PATCH 04/65] mm: Extract might_alloc() debug check Daniel Vetter
2020-10-23 14:14 ` Vlastimil Babka
2020-10-23 14:16 ` Matthew Wilcox
2020-10-23 14:37 ` Daniel Vetter [this message]
2020-10-23 14:45 ` Daniel Vetter
2020-10-23 20:53 ` Paul E. McKenney
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