linux-kernel - Re: [PATCH v1 0/2] Free contiguous order-0 pages efficiently

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Message-ID: <aVyRz62kQbPe5HbI@casper.infradead.org>
Date: Tue, 6 Jan 2026 04:38:39 +0000
From: Matthew Wilcox <willy@...radead.org>
To: Ryan Roberts <ryan.roberts@....com>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
	David Hildenbrand <david@...nel.org>,
	Lorenzo Stoakes <lorenzo.stoakes@...cle.com>,
	"Liam R. Howlett" <Liam.Howlett@...cle.com>,
	Vlastimil Babka <vbabka@...e.cz>, Mike Rapoport <rppt@...nel.org>,
	Suren Baghdasaryan <surenb@...gle.com>,
	Michal Hocko <mhocko@...e.com>,
	Brendan Jackman <jackmanb@...gle.com>,
	Johannes Weiner <hannes@...xchg.org>, Zi Yan <ziy@...dia.com>,
	Uladzislau Rezki <urezki@...il.com>,
	"Vishal Moola (Oracle)" <vishal.moola@...il.com>,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 0/2] Free contiguous order-0 pages efficiently

On Mon, Jan 05, 2026 at 04:17:36PM +0000, Ryan Roberts wrote:
> Hi All,
> 
> A recent change to vmalloc caused some performance benchmark regressions (see
> [1]). I'm attempting to fix that (and at the same time signficantly improve

Unfortunately, there was no [1] ... I'm not sure this benchmark is
really doing anything representative.  But the performance improvement
is certainly welcome; we'd deferred work on that for later.