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From: Daniel Vetter <daniel.vetter@ffwll.ch>
To: Matthew Wilcox <willy@infradead.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
	Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
	Dave Chinner <david@fromorbit.com>,
	DRI Development <dri-devel@lists.freedesktop.org>,
	Linux MM <linux-mm@kvack.org>,
	Daniel Vetter <daniel.vetter@intel.com>,
	Christoph Lameter <cl@linux.com>,
	Michel Lespinasse <walken@google.com>,
	Ingo Molnar <mingo@kernel.org>, Pekka Enberg <penberg@kernel.org>,
	David Rientjes <rientjes@google.com>,
	Waiman Long <longman@redhat.com>,
	"Paul E . McKenney" <paulmck@kernel.org>,
	Intel Graphics Development <intel-gfx@lists.freedesktop.org>,
	Qian Cai <cai@lca.pw>, Thomas Gleixner <tglx@linutronix.de>,
	Joonsoo Kim <iamjoonsoo.kim@lge.com>,
	Vlastimil Babka <vbabka@suse.cz>,
	Randy Dunlap <rdunlap@infradead.org>,
	linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
	Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH 04/65] mm: Extract might_alloc() debug check
Date: Fri, 23 Oct 2020 16:37:01 +0200	[thread overview]
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
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  parent reply	other threads:[~2020-10-23 14:37 UTC|newest]

Thread overview: 71+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-21 16:32 [PATCH 1/3] drm/atomic-helpers: remove legacy_cursor_update hacks Daniel Vetter
2020-10-21 16:32 ` [PATCH 2/3] drm/vc4: Drop legacy_cursor_update override Daniel Vetter
2020-10-22 13:19   ` Maxime Ripard
2020-10-21 16:32 ` [PATCH 3/3] drm/doc: Document legacy_cursor_update better Daniel Vetter
2020-10-22 13:36 ` [PATCH 1/3] drm/atomic-helpers: remove legacy_cursor_update hacks Kazlauskas, Nicholas
2020-10-22 14:03   ` Daniel Vetter
2020-10-22 17:02 ` [Intel-gfx] " Rob Clark
2020-10-22 17:21   ` Rob Clark
2020-10-22 19:16     ` Daniel Vetter
2020-10-23 15:02       ` Rob Clark
2020-10-23 16:00         ` Daniel Vetter
2020-10-23 16:21           ` Rob Clark
2020-10-23 12:21 ` [PATCH 01/65] drm/vc4: Drop legacy_cursor_update override Daniel Vetter
2020-10-23 12:21   ` [PATCH 02/65] drm/doc: Document legacy_cursor_update better Daniel Vetter
2020-10-23 12:21   ` [PATCH 03/65] mm: Track mmu notifiers in fs_reclaim_acquire/release Daniel Vetter
     [not found]     ` <20201027185100.GD12824@infradead.org>
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
     [not found]     ` <20201023141619.GC20115@casper.infradead.org>
2020-10-23 14:37       ` Daniel Vetter [this message]
2020-10-23 14:45         ` Daniel Vetter
2020-10-23 20:53     ` Paul E. McKenney
2020-10-23 12:21   ` [PATCH 05/65] drm/atomic-helper: Add dma-fence annotations Daniel Vetter
2020-10-23 12:21   ` [PATCH 06/65] drm/vkms: Annotate vblank timer Daniel Vetter
2020-10-23 12:21   ` [PATCH 07/65] drm/vblank: Annotate with dma-fence signalling section Daniel Vetter
2020-10-23 12:21   ` [PATCH 08/65] drm/amdgpu: add dma-fence annotations to atomic commit path Daniel Vetter
2020-10-23 12:21   ` [PATCH 09/65] drm/komeda: Annotate dma-fence critical section in " Daniel Vetter
2020-10-23 12:21   ` [PATCH 10/65] drm/malidp: " Daniel Vetter
2020-10-28 13:27     ` Liviu Dudau
2020-10-23 12:21   ` [PATCH 11/65] drm/atmel: Use drm_atomic_helper_commit Daniel Vetter
2020-10-23 12:21   ` [PATCH 12/65] drm/imx: Annotate dma-fence critical section in commit path Daniel Vetter
2020-10-23 12:21   ` [PATCH 13/65] drm/omapdrm: " Daniel Vetter
2020-10-26  7:13     ` Tomi Valkeinen
2020-10-23 12:21   ` [PATCH 14/65] drm/rcar-du: " Daniel Vetter
2020-12-16  1:29     ` Laurent Pinchart
2020-12-16  9:41       ` Daniel Vetter
2020-10-23 12:21   ` [PATCH 15/65] drm/tegra: " Daniel Vetter
2020-10-23 12:21   ` [PATCH 16/65] drm/tidss: " Daniel Vetter
2020-10-23 12:21   ` [PATCH 17/65] drm/scheduler: use dma-fence annotations in main thread Daniel Vetter
2020-10-23 12:21   ` [PATCH 18/65] drm/amdgpu: use dma-fence annotations in cs_submit() Daniel Vetter
2020-10-23 12:21   ` [PATCH 19/65] drm/amdgpu: s/GFP_KERNEL/GFP_ATOMIC in scheduler code Daniel Vetter
2020-10-23 12:21   ` [PATCH 20/65] drm/scheduler: use dma-fence annotations in tdr work Daniel Vetter
2020-10-23 12:21   ` [PATCH 21/65] drm/amdgpu: use dma-fence annotations for gpu reset code Daniel Vetter
2020-10-23 12:21   ` [PATCH 22/65] Revert "drm/amdgpu: add fbdev suspend/resume on gpu reset" Daniel Vetter
2020-10-23 12:21   ` [PATCH 23/65] drm/i915: Annotate dma_fence_work Daniel Vetter
2020-10-23 12:21   ` [PATCH 24/65] Revert "drm/i915: Annotate dma_fence_work" Daniel Vetter
2020-10-23 12:21   ` [PATCH 25/65] drm/nouveau: Drop mutex_lock_nested for atomic Daniel Vetter
2020-10-23 12:21   ` [PATCH 26/65] drm/vmwgfx: Drop svga_lock Daniel Vetter
2020-10-23 12:21   ` [PATCH 27/65] drm/vmwgfx: Always evict vram _before_ disabling it Daniel Vetter
2020-10-23 12:21   ` [PATCH 28/65] drm/ttm: WARN_ON non-empty lru when disabling a resource manager Daniel Vetter
2020-10-23 14:54     ` Christian König
2020-10-23 14:56       ` Daniel Vetter
2020-12-11 16:30         ` Daniel Vetter
2020-10-23 12:21   ` [PATCH 29/65] s390/pci: Remove races against pte updates Daniel Vetter
2020-10-23 12:26     ` Daniel Vetter
2020-10-23 12:21   ` [PATCH 30/65] drm/exynos: Stop using frame_vector helpers Daniel Vetter
2020-10-23 12:21   ` [PATCH 31/65] drm/exynos: Use FOLL_LONGTERM for g2d cmdlists Daniel Vetter
2020-10-23 12:21   ` [PATCH 32/65] misc/habana: Stop using frame_vector helpers Daniel Vetter
2020-10-23 12:21   ` [PATCH 33/65] misc/habana: Use FOLL_LONGTERM for userptr Daniel Vetter
2020-10-23 12:21   ` [PATCH 34/65] mm/frame-vector: Use FOLL_LONGTERM Daniel Vetter
2020-10-23 12:21   ` [PATCH 35/65] media: videobuf2: Move frame_vector into media subsystem Daniel Vetter
2020-10-23 12:21   ` [PATCH 36/65] mm: Close race in generic_access_phys Daniel Vetter
2020-10-23 12:21   ` [PATCH 37/65] mm: Add unsafe_follow_pfn Daniel Vetter
2020-10-23 12:21   ` [PATCH 38/65] media/videbuf1|2: Mark follow_pfn usage as unsafe Daniel Vetter
2020-10-23 12:21   ` [PATCH 39/65] vfio/type1: Mark follow_pfn " Daniel Vetter
2020-10-23 12:21   ` [PATCH 40/65] PCI: Obey iomem restrictions for procfs mmap Daniel Vetter
2020-10-23 12:21   ` [PATCH 41/65] /dev/mem: Only set filp->f_mapping Daniel Vetter
2020-10-23 12:21   ` [PATCH 42/65] resource: Move devmem revoke code to resource framework Daniel Vetter
2020-10-23 12:21   ` [PATCH 43/65] sysfs: Support zapping of binary attr mmaps Daniel Vetter
2020-10-23 12:21   ` [PATCH 44/65] PCI: Revoke mappings like devmem Daniel Vetter
2020-10-23 12:25   ` [PATCH 01/65] drm/vc4: Drop legacy_cursor_update override Daniel Vetter
2020-10-23 12:26 ` [PATCH] drm/atomic-helpers: remove legacy_cursor_update hacks Daniel Vetter

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