From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.100]) (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 ACAC010EC for ; Tue, 29 Aug 2023 05:47:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1693288044; x=1724824044; h=date:from:to:cc:subject:message-id; bh=q1iEJoSmiuGFpcKEFseZ59R/H5QjV+wwpEsCTKdf/as=; b=Z6XIi8E+pVOUnTV9hTO4Q54gZOTzCUMn75dr13NPChvfMOAL+JhbF1TP tAvIajXYYiXF2dzp0pQUpieW2VCoqPSwnXWZOksQFYYpOmuWsg3bcRpX6 3AK+DW156GFI2Th3Lab+RsuXqVM97cVuGNQLI2YRn5OWlJbeMETPgkZCb 3XgcV6TewcNNU0g5x6mpoPC8EeHPUUF+UzubCB6wfebqXlus7KZIj0NmM dg1TtSHfXbI8kVPtB5rqgHf64KJDYisFr9vYWAydidBIodtMqViDdu/iA 13m6c2rIHXvPO2d6wyu5gwL0+PIx06cy9+PCjVAK/nSsqYLIedj5hJx+D w==; X-IronPort-AV: E=McAfee;i="6600,9927,10816"; a="441630220" X-IronPort-AV: E=Sophos;i="6.02,208,1688454000"; d="scan'208";a="441630220" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Aug 2023 22:47:23 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.01,202,1684825200"; d="scan'208";a="882183773" Received: from lkp-server02.sh.intel.com (HELO daf8bb0a381d) ([10.239.97.151]) by fmsmga001.fm.intel.com with ESMTP; 28 Aug 2023 22:47:27 -0700 Received: from kbuild by daf8bb0a381d with local (Exim 4.96) (envelope-from ) id 1qarZR-0008Rv-13; Tue, 29 Aug 2023 05:47:21 +0000 Date: Tue, 29 Aug 2023 13:46:35 +0800 From: kernel test robot To: Sultan Alsawaf , Jan Alexander Steffens (heftig) Cc: oe-kbuild-all@lists.linux.dev, lkp@intel.com, Josh Triplett Subject: [lkp] [+139 bytes kernel size regression] [i386-tinyconfig] [bf45053c96] ZEN: mm: Don't hog the CPU and zone lock in rmqueue_bulk() Message-ID: <20230829054635.LaFn7%lkp@intel.com> User-Agent: s-nail v14.9.24 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: FYI, we noticed a +139 bytes kernel size regression due to commit: commit: bf45053c965e9b8a0b6225c5d378493b5aaf1336 (ZEN: mm: Don't hog the CPU and zone lock in rmqueue_bulk()) https://github.com/zen-kernel/zen-kernel 6.5/zen-sauce Details as below (size data is obtained by `nm --size-sort vmlinux`): 42ed39f2: ZEN: INTERACTIVE: Document PDS/BMQ configuration bf45053c: ZEN: mm: Don't hog the CPU and zone lock in rmqueue_bulk() +-------------------+----------+----------+-------+ | symbol | 42ed39f2 | bf45053c | delta | +-------------------+----------+----------+-------+ | bzImage | 516656 | 516848 | 192 | | nm.t.rmqueue_bulk | 353 | 492 | 139 | +-------------------+----------+----------+-------+ Thanks