From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5E461C4321E for ; Tue, 16 Nov 2021 06:42:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5418E632AA for ; Tue, 16 Nov 2021 06:42:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234553AbhKPGlG (ORCPT ); Tue, 16 Nov 2021 01:41:06 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43954 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234463AbhKPGkl (ORCPT ); Tue, 16 Nov 2021 01:40:41 -0500 Received: from out1.migadu.com (out1.migadu.com [IPv6:2001:41d0:2:863f::]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D7097C061746; Mon, 15 Nov 2021 22:32:37 -0800 (PST) MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cmpwn.com; s=key1; t=1637044355; 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=grpzxEghztc5Qa8gVHDO4iWZ6E6Q47JzcLyl8tfJjZw=; b=RODkIUUmmlH8V+ixcJqD/r8M5N4EE/o9UdaursBlFlxIkiBAi7Gzx6ZWvKSnxZ/ZaN3owQ kcOQpYdgwdRiSs3KpUv2oA/965DQjtuRQ3OeNRgEnKfzZ02xyVlJlC1uwHYA3JDVxuR2/u zw5VQQxveqVcXQpyGLiDhI3fTSInjbK8naIgrpOkc9mn2bxuQeu8+Osa39MbnIdHV/QAhS 1yd7SfQ50nEuSzLENCuOEQKKfFZ4nY6BRCGN1eQ+wLN66Mv5ceeloX1AT5Sw3Zys0lyTv0 0Y2fWNi65rcr8OQHL2cH98ZPUNiNi77MQUCwwnEJWGS1sjSDKGyE5Pd/5x5KRg== Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Tue, 16 Nov 2021 07:32:33 +0100 Message-Id: Cc: , , "io_uring Mailing List" , "Jens Axboe" , "Pavel Begunkov" , Subject: Re: [PATCH] Increase default MLOCK_LIMIT to 8 MiB X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: "Drew DeVault" To: "Andrew Morton" , "Ammar Faizi" References: <20211028080813.15966-1-sir@cmpwn.com> <593aea3b-e4a4-65ce-0eda-cb3885ff81cd@gnuweeb.org> <20211115203530.62ff33fdae14927b48ef6e5f@linux-foundation.org> In-Reply-To: <20211115203530.62ff33fdae14927b48ef6e5f@linux-foundation.org> X-Migadu-Flow: FLOW_OUT X-Migadu-Auth-User: sir@cmpwn.com Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On Tue Nov 16, 2021 at 5:35 AM CET, Andrew Morton wrote: > Unfortunately I didn't know about this until Nov 4, which was formally > too late for 5.16. I guess I could try to sneak it past Linus if > someone were to send me some sufficiently convincing words explaining > the urgency. I don't think it's that urgent, but I also wouldn't protest if someone wants to usher it in sooner rather than later. > And a question: rather than messing around with a constant which will > need to be increased again in a couple of years, can we solve this one > and for all? For example, permit root to set the system-wide > per-process max mlock size and depend upon initscripts to do this > appropriately. Not sure I understand. Root and init scripts can already manage this number - the goal of this patch is just to provide a saner default.