linux-kernel - Re: Stall at page allocations with __GFP_RETRY_MAYFAIL (Re: [PATCH v1] ALSA: memalloc: Fix indefinite hang in non-iommu case)

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Message-ID: <CAG-rBij0di69U38JzWK+rWHOn7AoX1OOBtVUZ4TqLCfysMFsEQ@mail.gmail.com>
Date: Wed, 21 Feb 2024 10:40:31 -0500
From: Sven van Ashbrook <svenva@...omium.org>
To: Vlastimil Babka <vbabka@...e.cz>
Cc: Takashi Iwai <tiwai@...e.de>, Karthikeyan Ramasubramanian <kramasub@...omium.org>, 
	LKML <linux-kernel@...r.kernel.org>, Brian Geffon <bgeffon@...gle.com>, 
	stable@...r.kernel.org, Curtis Malainey <cujomalainey@...omium.org>, 
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>, linux-sound@...r.kernel.org, 
	linux-mm@...ck.org
Subject: Re: Stall at page allocations with __GFP_RETRY_MAYFAIL (Re: [PATCH
 v1] ALSA: memalloc: Fix indefinite hang in non-iommu case)

On Wed, Feb 21, 2024 at 4:58 AM Vlastimil Babka <vbabka@...e.cz> wrote:
>
> Thanks a lot, seems this can indeed happen even in 6.8-rc5. We're
> mishandling the case where compaction is skipped due to lack of __GFP_IO,
> which is indeed cleared in suspend/resume. I'll create a fix.

I'm really grateful for the engagement here !!

> Please don't
> hesitate to report such issues the next time, even if not fully debugged :)
>

Will do :)