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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id C4398C282EC for ; Sat, 15 Mar 2025 01:06:31 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id B84B4280004; Fri, 14 Mar 2025 21:06:30 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id B0D5C280002; Fri, 14 Mar 2025 21:06:30 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9889B280004; Fri, 14 Mar 2025 21:06:30 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id 74FEE280002 for ; Fri, 14 Mar 2025 21:06:30 -0400 (EDT) Received: from smtpin16.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id 676C81A0C85 for ; Sat, 15 Mar 2025 01:06:30 +0000 (UTC) X-FDA: 83221994940.16.10915DE Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf02.hostedemail.com (Postfix) with ESMTP id D3EAA80003 for ; Sat, 15 Mar 2025 01:06:28 +0000 (UTC) Authentication-Results: imf02.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=hiDkEE6J; spf=pass (imf02.hostedemail.com: domain of akpm@linux-foundation.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org; dmarc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1742000789; h=from:from:sender: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:dkim-signature; bh=a70+qbt6Q1cX5cFk/1Wm5PuYNoRKS0I7G+/nM5A0Bxo=; b=K/0k8ZN/F41aysHdejChZIFz4EE2H2gbmTpQvQdGPeGIWWyzqapY5LyWWeEs09Olosb2R0 spnq2hIioT7ixzIM/CabTYbneHTggquXwTy/i/Mz/pIhVp5ZrzUhsDEgJkqQGu84hdQ8bv 8DnoKvIsnlBf1rqbpnu0H+ixku3BhoI= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1742000789; a=rsa-sha256; cv=none; b=SrIJ2B0usqVouWEMBGisMO32Ecp8anlj7pkg8mG9kYnoqZSr4lHZIUTlesGjvEv1CV+su0 p2ls7mzcrxfy8Z1QwixizC4Ca0tH6helJDv5sskinS37DgoA9RqZtwHEvxzzFGGw4twEbh +9ETjNVTS66IlboQdNTw0kkTHO4gSk8= ARC-Authentication-Results: i=1; imf02.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=hiDkEE6J; spf=pass (imf02.hostedemail.com: domain of akpm@linux-foundation.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org; dmarc=none Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id D1D8A5C57AE; Sat, 15 Mar 2025 01:04:10 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 50731C4CEE3; Sat, 15 Mar 2025 01:06:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1742000787; bh=9oWnsRrteEppsIdl5wrmRTiQSvICywXOfyVLBTYkPCI=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=hiDkEE6J0GX+v0+CdESRoz6zAHZRHQZ72O5QKVYZ5LGWrjOEvbGY+IX/tGmhLRq9z 4EoNAziY4xo2uHV9ZoPku2B4MfYlNMovYNZdeyRXjA2Jx/wWHrU4V1izR9ldGxdxtk 4iph9jC++nXZzJojFvQ59UmAE6u4XbopROzZAjq0= Date: Fri, 14 Mar 2025 18:06:25 -0700 From: Andrew Morton To: Nico Pache Cc: linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, virtualization@lists.linux.dev, alexander.atanasov@virtuozzo.com, muchun.song@linux.dev, roman.gushchin@linux.dev, mhocko@kernel.org, kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org, decui@microsoft.com, jgross@suse.com, sstabellini@kernel.org, oleksandr_tyshchenko@epam.com, mst@redhat.com, david@redhat.com, yosry.ahmed@linux.dev, hannes@cmpxchg.org, nphamcs@gmail.com, chengming.zhou@linux.dev, kanchana.p.sridhar@intel.com, llong@redhat.com, shakeel.butt@linux.dev Subject: Re: [PATCH v2 1/4] meminfo: add a per node counter for balloon drivers Message-Id: <20250314180625.8c3a2a5a990a132a7b0b9072@linux-foundation.org> In-Reply-To: <20250314213757.244258-2-npache@redhat.com> References: <20250314213757.244258-1-npache@redhat.com> <20250314213757.244258-2-npache@redhat.com> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: D3EAA80003 X-Stat-Signature: a7c45koqc1oz35iqsrjfoi75egu4swxk X-HE-Tag: 1742000788-431253 X-HE-Meta: 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 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: List-Subscribe: List-Unsubscribe: On Fri, 14 Mar 2025 15:37:54 -0600 Nico Pache wrote: > Add NR_BALLOON_PAGES counter to track memory used by balloon drivers and > expose it through /proc/meminfo and other memory reporting interfaces. > > ... > > --- a/fs/proc/meminfo.c > +++ b/fs/proc/meminfo.c > @@ -162,6 +162,8 @@ static int meminfo_proc_show(struct seq_file *m, void *v) > show_val_kb(m, "Unaccepted: ", > global_zone_page_state(NR_UNACCEPTED)); > #endif > + show_val_kb(m, "Balloon: ", > + global_node_page_state(NR_BALLOON_PAGES)); Please update Documentation/filesystems/proc.rst for this.