linux-kernel - Re: [PATCH 0/2] mm: vmalloc: Actually use the in-place vrealloc region

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Message-ID: <202505191217.B047E005F2@keescook>
Date: Mon, 19 May 2025 12:18:42 -0700
From: Kees Cook <kees@...nel.org>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: Shung-Hsi Yu <shung-hsi.yu@...e.com>,
	Eduard Zingerman <eddyz87@...il.com>,
	Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>,
	Uladzislau Rezki <urezki@...il.com>,
	Erhard Furtner <erhard_f@...lbox.org>,
	Danilo Krummrich <dakr@...nel.org>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, bpf@...r.kernel.org,
	linux-hardening@...r.kernel.org
Subject: Re: [PATCH 0/2] mm: vmalloc: Actually use the in-place vrealloc
 region

On Thu, May 15, 2025 at 02:42:14PM -0700, Kees Cook wrote:
> This fixes a performance regression[1] with vrealloc(). This needs to
> get into v6.15, which is where the regression originates, and then it'll
> get backport to the -stable releases as well.

Andrew, can you get these to Linus this week? I can also send them his
way if you'd rather?

-Kees

-- 
Kees Cook