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From: Christoph Hellwig <hch@lst.de>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Christoph Hellwig <hch@lst.de>,
	Salvatore Dipietro <dipiets@amazon.it>,
	hannes@cmpxchg.org, 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,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-mm@kvack.org, linux-xfs@vger.kernel.org,
	matt@readmodwrite.com, mhocko@suse.com, ritesh.list@gmail.com,
	rvvandan@amazon.com, stable@vger.kernel.org, surenb@google.com,
	vbabka@kernel.org, willy@infradead.org, ziy@nvidia.com
Subject: Re: [PATCH 1/2] mm: page_alloc: do not give all non-blocking requests reserve access
Date: Thu, 29 Oct 2026 13:17:10 +0100	[thread overview]
Message-ID: <20261029121710.GB24651@lst.de> (raw)
In-Reply-To: <20261028225517.75e13881be22461a8c94e07d@linux-foundation.org>

On Wed, Oct 28, 2026 at 10:55:17PM -0700, Andrew Morton wrote:
> > It would be really important to get some fix for this into 7.3.
> > We can still perfect it later.
> 
> What is "this"?  You're referring to the performance regression which
> Salvatore's "mm/page_alloc: avoid direct reclaim and compaction for
> costly __GFP_NORETRY allocations" addresses?

As in I don't really care how the xfs/iomap performance issue gets fixed,
I just want it fixed yesterday.



  parent reply	other threads:[~2026-10-29 12:17 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-04 11:56 [PATCH v4] mm/page_alloc: avoid direct compaction for costly __GFP_NORETRY allocations 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
2026-09-16 22:35             ` Andrew Morton
2026-09-19  4:13               ` Matthew Wilcox
2026-09-21  9:35                 ` Vlastimil Babka (SUSE)
2026-09-23  9:25                   ` Salvatore Dipietro
2026-09-18  7:05           ` Vlastimil Babka (SUSE)
2026-09-18 21:28             ` Andrew Morton
2026-09-22  8:44               ` Vlastimil Babka (SUSE)
2026-09-21 14:37             ` Johannes Weiner
2026-09-21 14:38               ` [PATCH 1/2] mm: page_alloc: do not give all non-blocking requests reserve access Johannes Weiner
2026-09-21 14:54                 ` Matthew Wilcox
2026-09-21 15:58                   ` Johannes Weiner
2026-09-22 11:52                     ` Vlastimil Babka (SUSE)
2026-09-22 13:56                       ` Johannes Weiner
2026-09-24 14:34                         ` Vlastimil Babka (SUSE)
2026-09-21 14:39               ` [PATCH 2/2] mm: page_alloc: remove ALLOC_NON_BLOCK from ALLOC_RESERVES Johannes Weiner
2026-09-22 12:06                 ` Vlastimil Babka (SUSE)
2026-09-22 14:00                   ` Johannes Weiner
2026-10-27 15:00                 ` [PATCH 1/2] mm: page_alloc: do not give all non-blocking requests reserve access Salvatore Dipietro
2026-10-28 14:41                   ` Christoph Hellwig
2026-10-29  5:55                     ` Andrew Morton
2026-10-29  9:59                       ` Vlastimil Babka (SUSE)
2026-10-29 12:17                       ` Christoph Hellwig [this message]
2026-10-28 15:19                   ` Johannes Weiner
2026-10-28 17:21                     ` Johannes Weiner
2026-09-07  5:54 ` [PATCH v4] mm/page_alloc: avoid direct compaction for costly __GFP_NORETRY allocations Christoph Hellwig
  -- strict thread matches above, loose matches on Subject: below --
2026-10-28 17:15 [PATCH v2 0/2] mm: page_alloc: fix reserve access for non-blocking requests Johannes Weiner
2026-10-28 17:15 ` [PATCH 1/2] mm: page_alloc: do not give all non-blocking requests reserve access Johannes Weiner
2026-10-29  6:59   ` Balbir Singh
2026-10-29  9:49   ` Vlastimil Babka (SUSE)

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