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Date: Mon, 18 May 2026 09:51:53 -1000
From: Tejun Heo <tj@kernel.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: David Vernet <void@manifault.com>, Andrea Righi <arighi@nvidia.com>,
	Changwoo Min <changwoo@igalia.com>,
	Alexei Starovoitov <ast@kernel.org>,
	Andrii Nakryiko <andrii@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Martin KaFai Lau <martin.lau@linux.dev>,
	Kumar Kartikeya Dwivedi <memxor@gmail.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>, Thomas Gleixner <tglx@kernel.org>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	David Hildenbrand <david@kernel.org>,
	Mike Rapoport <rppt@kernel.org>,
	Emil Tsalapatis <emil@etsalapatis.com>, sched-ext@lists.linux.dev,
	bpf@vger.kernel.org, x86@kernel.org,
	linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 7/8] sched_ext: Sub-allocator over kernel-claimed BPF
 arena pages
Message-ID: <agtt2dEjS4Qg7a_P@slm.duckdns.org>
References: <20260517211232.1670594-1-tj@kernel.org>
 <20260517211232.1670594-8-tj@kernel.org>
 <20260518072042.GP3102624@noisy.programming.kicks-ass.net>
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In-Reply-To: <20260518072042.GP3102624@noisy.programming.kicks-ass.net>

Hello,

On Mon, May 18, 2026 at 09:20:42AM +0200, Peter Zijlstra wrote:
...
> Should this really be part of scx rather than be part of the bpf-arena
> thing proper?

It's just a layer on top of arena. If bpf folks are okay with it, I don't
see why it can't be a common utility thing on the bpf side.

Thanks.

-- 
tejun