From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f178.google.com (mail-pf1-f178.google.com [209.85.210.178]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E76B020EB for ; Wed, 3 Sep 2025 19:07:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.178 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756926451; cv=none; b=NcHztKR/Yn4uzozg74X04cHZguxkAxZB96oN6kmKZO/jy+M9GfO9AHReHrf1si3OwzC6JOHpghDcdqb0la7XKq1ska2ecqTJ/0gnjkG/ABj/j0Yfxjx5D85D97XbRmLyO7effFC16wlfm7v+37MIUxW+OcPXjJp1VlMaUzeXoRE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756926451; c=relaxed/simple; bh=KYVcIFrGl+Vy7SsxxkHTVBAHnAQ0dqNp/XvJJYRxPvw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=TOjkLqus3xnOZgWkrkfCZMJUEtBkUt0jJT6RFw3sE76Qqf1MmtCwooCslgh0yffW3TOX9SonOIdspHhyh9XBeoIWzAYNI6vyNDB5i43G6mQixIWoCcmjLtacbO8wy3otFxpqIrj8m+C8uYHaDAjwfH1HSRzRCRX5IAiH2JUzJqk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=NvYi0QR6; arc=none smtp.client-ip=209.85.210.178 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="NvYi0QR6" Received: by mail-pf1-f178.google.com with SMTP id d2e1a72fcca58-7722c88fc5fso252950b3a.2 for ; Wed, 03 Sep 2025 12:07:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1756926449; x=1757531249; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=aM0aeiZIkcT3/JK5wnVRf+4pQ6jjEjQhssy7NYZx4b0=; b=NvYi0QR6x66IOJhq96dDAHE75z/ld3mYtp1ZHg8GszGAW7i2p7gnoK9xbWWvwHEGIb f/cxvnq0myzfsUa0D1fWEseXQ505shWRN3v06e1sYFSp/ZDNdFktwwcEbjcfEx9x4XUu vH3gpumaRUVDZ7mE0vlKefmQrJMUZuF2YgbMGK9WNvoaS+8zTu8c6pO23gXGG0/1o4yB 3hGJ7IkGgmH1gK2FUUEqexFfum0FLJijjgOpCB8VMPAivUpaP+DziwEk2bh7TAmQa99W gjijcgRpEYTeM/FqU+pvfAfFilkbzx2w27aezgKYF+EWK1KetlOhu+vj8puffwV1PlBV PXMg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756926449; x=1757531249; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=aM0aeiZIkcT3/JK5wnVRf+4pQ6jjEjQhssy7NYZx4b0=; b=JNLtCJ8uQI7e6t3dZHYoAJEbjYzdAOEMRHT+RNn66sjsBMeyJiTs/YjhaFbq704W7Z 6DYrIULgx96bF0k8JwVHXqVgNju8cHU7IsngLlipI+m3Z0zVKGRB/nZbOUnq8A3nrdUo LuRwcD2laPieRFL3B9Y2JXmgZ+2BeeHNLQZu/sLrkd6UA9rzwZw1WxA5xEw72yKMnTtE sPXSS27wBYxbQCaX4HNrL4jdEqJ5jt1fleJSywWTFrDT0+vcn/GpoQ1X8A5JndEbYDSH Mz565LN2GpPelHaX9tY2TpxuIF9osKYXofUrBBAO8msvS0RDNoPsFEZY4UEeoLuFB+3r Lb/A== X-Forwarded-Encrypted: i=1; AJvYcCV/B+fgfv8W5cb4Yt98QhHEx6cDXTFQjcwC+x0kkUc1NS/zyorXHlEHvxDCTxl8Wd1dWhngNDLuJzAtxi4=@vger.kernel.org X-Gm-Message-State: AOJu0Yw6QfMh63DW28htHO/vuqNsj4st5e10WxX+Qpla64bV9TxWHF9m R1s54m5nlEvlBzYtSszMLmRasrQN42i3KNjaQFbis8IKUQ8kBkZz/6x+qvNPN+L9 X-Gm-Gg: ASbGncu4NTGfYktsxeERVhr0A3gq2HO5PEmFY0MYb5MgqygZWNQNujTcLPrvjf8UJp1 2tOIEIQlS9emk976ef+9tf1XatBAfeEV8iiNxFK2QkkdmZqho3kQnQUtF/cNV/+FFDSMX/WYLYp 9AtMHIC5QbYhZG1SR90FjmGWlkMePER71Ehzd2e3MGu2QYnT+dSVDvSEnYQ1ejhCQEjCx8g/vDg oEAVjAR5B7wiUDM0bkUtdpUYYWiUFY2qg65rZoO2U0IsfUcTI7Y0RyAOgchWNwPRzcW378eN+qG zXpvwE+xdJYr+YmUmbin9utKKSR6+E6E/+dxquZVl879J/My7g/IOI98gPnEmAzqDlnUbqhqLjz IUrnz5YTuYKsoJ6WHv5J4EeRTe4Sir0+Otp7a552HGwQIGL0pIOhRtw== X-Google-Smtp-Source: AGHT+IF3PZcDzJgM+Qa0itDatQhUE2OrKdM2FUfn+GzDqem/KPFoVlGTPH5AcAzb4I9yuLN4w0QvaA== X-Received: by 2002:a05:6a00:1397:b0:772:63ba:13b with SMTP id d2e1a72fcca58-77263ba0301mr9960703b3a.30.1756926449152; Wed, 03 Sep 2025 12:07:29 -0700 (PDT) Received: from fedora (c-67-164-59-41.hsd1.ca.comcast.net. [67.164.59.41]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7722a26a0b3sm17592340b3a.10.2025.09.03.12.07.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Sep 2025 12:07:28 -0700 (PDT) Date: Wed, 3 Sep 2025 12:07:25 -0700 From: "Vishal Moola (Oracle)" To: Yueyang Pan Cc: Suren Baghdasaryan , Andrew Morton , Vlastimil Babka , Michal Hocko , Brendan Jackman , Johannes Weiner , Zi Yan , Shakeel Butt , Usama Arif , linux-mm@kvack.org, kernel-team@meta.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 1/2] mm/show_mem: Dump the status of the mem alloc profiling before printing Message-ID: References: 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-Disposition: inline In-Reply-To: On Wed, Sep 03, 2025 at 04:16:13AM -0700, Yueyang Pan wrote: > This patch prints the status of the memory allocation profiling > before __show_mem actually prints the detailed allocation info. > This way will let us know the `0B` we saw in allocation info is > because the profiling is disabled or the allocation is actually > 0B. > > Signed-off-by: Yueyang Pan Reviewed-by: Vishal Moola (Oracle)