From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 BB1554C8E; Sat, 15 Mar 2025 01:06:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742000787; cv=none; b=Ynp/37rZORhljUWwb7XLxS07YtOKwfuS5dGCDTQsl8I6SwT4e+yFmO9acmOvJrVuzE89wiYfZKvcK9/xdUnwFxLJc4Wl7S4KV2CthMB4vAyVmUt7H0A2uqleASW71OO74fiQ+A2ybY7hvl82isQZntZFfZeIBqHMwmK4JBEPb60= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742000787; c=relaxed/simple; bh=9oWnsRrteEppsIdl5wrmRTiQSvICywXOfyVLBTYkPCI=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=DCqrOskG+tEroBqGuvA5rPA64AoPn05gPWN6ORUUc8CrJ7miNFVVURZYiOmyEeWV8JOxLwPcwF7alhVFzAwNhl291qVT7hd2D2YzBnqT3jcfQ2wJovbXJDyJLpQJ8UBMGhyWGo/2B6+5G3TQObTd168QL3WickLinBYaDf3MAAA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=hiDkEE6J; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="hiDkEE6J" 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) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit 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.