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 B7066C433FE for ; Wed, 27 Oct 2021 13:37:06 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 353BA60C51 for ; Wed, 27 Oct 2021 13:37:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 353BA60C51 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvack.org Received: by kanga.kvack.org (Postfix) id B4AEB940008; Wed, 27 Oct 2021 09:37:05 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id AFAA8940007; Wed, 27 Oct 2021 09:37:05 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9E97C940008; Wed, 27 Oct 2021 09:37:05 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0134.hostedemail.com [216.40.44.134]) by kanga.kvack.org (Postfix) with ESMTP id 8BF48940007 for ; Wed, 27 Oct 2021 09:37:05 -0400 (EDT) Received: from smtpin29.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 33F0625F50 for ; Wed, 27 Oct 2021 13:37:05 +0000 (UTC) X-FDA: 78742318410.29.6A1588B Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf15.hostedemail.com (Postfix) with ESMTP id CA992D0000A3 for ; Wed, 27 Oct 2021 13:36:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=RN3+98MXUcV2gf35Wo6vae5CtLAGG446pQGon0H49Pc=; b=XRkNLBKjDAzwPeuqOlm8sFdoxD rSOhz0mZT5fluQPFbkvcSoK5060dYP1BtImq2u9QJzmevpEeQlYo006sNYhSSFMm0Bl33YJKcETp7 KZQmkA++1rvfeOYUQ1Ol4lduVUB4uXCRFuqEgaaklTMEXY7YHwOuQ4KfNnZjnmlpZ73/TpQAFOW6/ tezsPwEiQLVJDSZdlhHw43gVogln6TDBrjo0Q5/1PbvTyWJm+KPy3kdd+QSRPwcuQuxXJcW4h0vR1 REwwqLvlDMlYpcA+QWXfi4/6eMoYDshfHd6xsFKJQ032iWMMsOnMBc9/A8dYCMosQXTAVnYB2Xi3T H1N7hPtQ==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1mfj5y-0004pY-SG; Wed, 27 Oct 2021 13:36:24 +0000 Date: Wed, 27 Oct 2021 14:35:58 +0100 From: Matthew Wilcox To: Joakim Tjernlund Cc: "linux-mm@kvack.org" Subject: Re: kernel 5.10.x Reserves much more RAM than 5.11.0, 8 MB vs 20 MB Message-ID: References: <71b597cb9a89c9f033861513da393501f04f4098.camel@infinera.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <71b597cb9a89c9f033861513da393501f04f4098.camel@infinera.com> X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: CA992D0000A3 X-Stat-Signature: auu6juek1dbo5jiu76ejdmq7j83q8w5x Authentication-Results: imf15.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=XRkNLBKj; dmarc=none; spf=none (imf15.hostedemail.com: domain of willy@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=willy@infradead.org X-HE-Tag: 1635341817-601763 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed, Oct 27, 2021 at 12:48:13PM +0000, Joakim Tjernlund wrote: > Linux version 5.11.0 > Memory: 24052K/32768K available (3520K kernel code, 684K rwdata, 548K rodata, 320K init, 245K bss, 8716K reserved, 0K cma-reserved) > > Versus: > > Linux version 5.10.75 > Memory: 11836K/32768K available (3518K kernel code, 684K rwdata, 540K rodata, 320K init, 244K bss, 20932K reserved, 0K cma-reserved) ... you're complaining that we reduced the amount of reserved ram? You know that 5.11.0 is more recent than 5.10.75, right?