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From: Andrew Morton <akpm@linux-foundation.org>
To: Johannes Weiner <hannes@cmpxchg.org>
Cc: "Vlastimil Babka (SUSE)" <vbabka@kernel.org>,
	Salvatore Dipietro <dipiets@amazon.it>,
	abuehaze@amazon.com, alisaidi@amazon.com, blakgeof@amazon.com,
	brauner@kernel.org, brendan.jackman@linux.dev, david@redhat.com,
	dgc@kernel.org, dipietro.salvatore@gmail.com, djwong@kernel.org,
	hch@infradead.org, hch@lst.de, linux-fsdevel@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	linux-xfs@vger.kernel.org, mhocko@suse.com,
	ritesh.list@gmail.com, rvvandan@amazon.com,
	stable@vger.kernel.org, surenb@google.com, willy@infradead.org,
	ziy@nvidia.com
Subject: Re: [PATCH v4] mm/page_alloc: avoid direct compaction for costly __GFP_NORETRY allocations
Date: Wed, 16 Sep 2026 15:34:26 -0700	[thread overview]
Message-ID: <20260916153426.3265e2e152cebb6a8d66373d@linux-foundation.org> (raw)
In-Reply-To: <aqq8pWI0u1IZNWHT@cmpxchg.org>

On Wed, 16 Sep 2026 11:58:29 -0400 Johannes Weiner <hannes@cmpxchg.org> wrote:

> > Unless I'm mistaken about that MIGRATE_HIGHATOMIC part, it seems all sashiko
> > concerns can be dismissed and then indeed v4 is the better version.
> 
> It looks like a real issue to me, but one that already exists
> independent of Salvatore's change.

So I'm hearing that I should drop v5 and revert to v4?



  reply	other threads:[~2026-09-16 22:34 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-04 11:56 Salvatore Dipietro
2026-09-04 14:11 ` Vlastimil Babka (SUSE)
2026-09-04 15:08   ` Zi Yan
2026-09-07  7:30     ` Vlastimil Babka (SUSE)
2026-09-09  2:33       ` Zi Yan
2026-09-09  8:51         ` Vlastimil Babka (SUSE)
2026-09-04 16:10 ` Johannes Weiner
2026-09-06  0:42 ` Andrew Morton
2026-09-06 23:05   ` Dave Chinner
2026-09-10 11:46   ` Salvatore Dipietro
2026-09-10 22:00     ` Andrew Morton
2026-09-11 14:30       ` Salvatore Dipietro
2026-09-11 15:59     ` Johannes Weiner
2026-09-16 11:24       ` Vlastimil Babka (SUSE)
2026-09-16 15:58         ` Johannes Weiner
2026-09-16 22:34           ` Andrew Morton [this message]
2026-09-16 22:35             ` Andrew Morton
2026-09-07  5:54 ` Christoph Hellwig

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