From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) (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 498931859 for ; Wed, 26 Apr 2023 07:15:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1682493340; x=1714029340; h=date:from:to:cc:subject:message-id:mime-version: in-reply-to; bh=UYXppCWknUYIn5fxRDBmk84OE2J5qyAdjipqXW8MwXs=; b=hlX2UOtH0zGrNjKY8T4H9oGo7lZuDOLLM34JWXOUEmFgEXhWvjWCDlJD UjA01zQ86DLzAhEoqGeROzewMhwFkPhA4XzOOhylZAWvLXcBmFGYnrAFj 4FcwtDzCI1HgOYQ0TYgBPa4PzYy7koKX0Cbq/zgEISOA7bDu33AWqxTps x+9EXXXCeVJyoJbTwvzCtlN262w1O4w+OBt9ljLaGnqtSjGHB5Y1JxRyr ZpNv/PIbTP4Z+w4ltm7eK+S90Hm8avk1sN1xrMsx6D/BmxNZswjZuEMDE 3dF2V07ChkXeYtDeXCYngDrGTw7gsWqtUa7oPrTx4mFlW4IJbPof3FjAr A==; X-IronPort-AV: E=McAfee;i="6600,9927,10691"; a="326635028" X-IronPort-AV: E=Sophos;i="5.99,227,1677571200"; d="scan'208";a="326635028" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Apr 2023 00:15:39 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10691"; a="868171463" X-IronPort-AV: E=Sophos;i="5.99,227,1677571200"; d="scan'208";a="868171463" Received: from lkp-server01.sh.intel.com (HELO 98ee5a99fc83) ([10.239.97.150]) by orsmga005.jf.intel.com with ESMTP; 26 Apr 2023 00:15:38 -0700 Received: from kbuild by 98ee5a99fc83 with local (Exim 4.96) (envelope-from ) id 1prZNJ-0000Fk-1e; Wed, 26 Apr 2023 07:15:37 +0000 Date: Wed, 26 Apr 2023 15:14:49 +0800 From: kernel test robot To: Hui Wang Cc: oe-kbuild-all@lists.linux.dev, lkp@intel.com Subject: [lkp] [+82 bytes kernel size regression] [i386-tinyconfig] [5fab44501b] mm/oom_kill: trigger the oom killer if oom occurs without __GFP_FS Message-ID: Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230426051030.112007-2-hui.wang@canonical.com> FYI, we noticed a +82 bytes kernel size regression due to commit: commit: 5fab44501b62e2132235cb0a88c5cb8e0481ff09 (mm/oom_kill: trigger the oom killer if oom occurs without __GFP_FS) url: https://github.com/intel-lab-lkp/linux/commits/Hui-Wang/mm-oom_kill-trigger-the-oom-killer-if-oom-occurs-without-__GFP_FS/20230426-131239 base: https://git.kernel.org/cgit/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/all/20230426051030.112007-2-hui.wang@canonical.com/ patch subject: [PATCH 1/1] mm/oom_kill: trigger the oom killer if oom occurs without __GFP_FS Details as below (size data is obtained by `nm --size-sort vmlinux`): 25aab2ea: Merge branch 'mm-nonmm-unstable' into mm-everything 5fab4450: mm/oom_kill: trigger the oom killer if oom occurs without __GFP_FS +------------------------------+----------+----------+-------+ | symbol | 25aab2ea | 5fab4450 | delta | +------------------------------+----------+----------+-------+ | bzImage | 502464 | 502560 | 96 | | nm.T.out_of_memory | 430 | 467 | 37 | | nm.t.trigger_oom_killer_work | 0 | 29 | 29 | | nm.d.oom_trigger_work | 0 | 16 | 16 | +------------------------------+----------+----------+-------+ Thanks