From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-180.mta1.migadu.com (out-180.mta1.migadu.com [95.215.58.180]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DBC0A1DDE9 for ; Wed, 9 Jul 2025 15:58:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.180 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752076735; cv=none; b=jN2cbxTv41gcxEc9cCLxjfOyJM2XM+qqp/C1iRTlMxuFRk4Zi06bTmEGFlu2F1hDVhJAQr5xNHb0nluTpbemokWzNKy76yMgWebYaezJX55BMIOHPhAxo+o7AdRPNBHEEp5+dK03PAiOVzgAeOVIYv1hfrllcGH/epYtt5d7tjI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752076735; c=relaxed/simple; bh=pP/dZqslEA+EeA13qPrlvLarulhc8WUsyIwxekgzDWc=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=jGOxXutmUU/3GrM3/DJYDIqjckQUvskrqlU/Vd6LA1F91s+/835DFZlVl23w5tf9lOGxtaT8pGg+cSHnyEt0JlvPOW/ATd4DZ3oiQTvxKpOS524tx2k5WtVpCPMo3pSGM1KQVPQGdL/Zs4mLUoJpy4wFfZ60kLG6ws5Q8VvC7yY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=Bh18yubf; arc=none smtp.client-ip=95.215.58.180 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="Bh18yubf" Message-ID: <79f170ab-cd5e-4682-ba4b-4fb883d93d3c@linux.dev> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1752076730; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=pP/dZqslEA+EeA13qPrlvLarulhc8WUsyIwxekgzDWc=; b=Bh18yubfOYpcizet+yjh5ACBUbGeavVtGw/ysYaZQIA5+/0acY1LP5gSjIfxs5ROaSSO62 aVBV291oLmNGLxdousuQkPxWOdurmmpmYhj7DbjnDJemEoedUebABdqbVEQu2iTT0WWD7l jWfjqKAetmwwSGQUN0Kd0wbPv0PX1FY= Date: Wed, 9 Jul 2025 08:58:39 -0700 Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Subject: Re: [PATCH v3 1/2] bpf/arena: add bpf_arena_reserve_pages kfunc Content-Language: en-GB To: Emil Tsalapatis , bpf@vger.kernel.org Cc: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, martin.lau@linux.dev, eddyz87@gmail.com, song@kernel.org, memxor@gmail.com, sched-ext@meta.com References: <20250709015712.97099-1-emil@etsalapatis.com> <20250709015712.97099-2-emil@etsalapatis.com> X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Yonghong Song In-Reply-To: <20250709015712.97099-2-emil@etsalapatis.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Migadu-Flow: FLOW_OUT On 7/8/25 6:57 PM, Emil Tsalapatis wrote: > Add a new BPF arena kfunc for reserving a range of arena virtual > addresses without backing them with pages. This prevents the range from > being populated using bpf_arena_alloc_pages(). > > Signed-off-by: Emil Tsalapatis Acked-by: Yonghong Song