From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.151]) (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 D9B7410EC for ; Tue, 29 Aug 2023 05:46:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1693287986; x=1724823986; h=date:from:to:cc:subject:message-id; bh=moMiomSM3X1ZKRd1BNY/yi+xxuA578W2vAavdP2YlH8=; b=KDmzIpd9+M9VRRYUz/UlJNXpP9Ce/HmY2v62+J3v9DdP5zhN/wyomC1s EKHjqmbtRnh6G4KN8X7pDpH0EaPPqNgyP9uzU6wUFZOdhaUpXgZmFwecG Jy05fu50jqDIHWoecRWA2wR06QEA2Ny1DYtY8RpgiS+LRYmHXUOrAyuvP uk4qKKRZyVnBv0lBUyQNSNkEwQFv/CTGDfO9d3e+DPc5eRNg16f4+a/i/ OY5Ulm+VnytQEiO+EZ6/ar4tvtEnGCJjH1LErDqCoMTve59AD4xTE//QQ 1qiGUTaRepeFxpUslVrgwq60ML7YwDjvYo6Nji/XH2rCoRrSWWYlXgaKo A==; X-IronPort-AV: E=McAfee;i="6600,9927,10816"; a="355607356" X-IronPort-AV: E=Sophos;i="6.02,208,1688454000"; d="scan'208";a="355607356" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Aug 2023 22:46:23 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10816"; a="803962528" X-IronPort-AV: E=Sophos;i="6.02,208,1688454000"; d="scan'208";a="803962528" Received: from lkp-server02.sh.intel.com (HELO daf8bb0a381d) ([10.239.97.151]) by fmsmga008.fm.intel.com with ESMTP; 28 Aug 2023 22:46:22 -0700 Received: from kbuild by daf8bb0a381d with local (Exim 4.96) (envelope-from ) id 1qarYT-0008Rp-0y; Tue, 29 Aug 2023 05:46:21 +0000 Date: Tue, 29 Aug 2023 13:46:18 +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] [+182 bytes kernel size regression] [i386-tinyconfig] [873f6a705c] ZEN: mm: Stop kswapd early when nothing's waiting for it to free pages Message-ID: <20230829054618.FJfix%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 +182 bytes kernel size regression due to commit: commit: 873f6a705cfc89dd35a84c22023d4188362ba74a (ZEN: mm: Stop kswapd early when nothing's waiting for it to free pages) https://github.com/zen-kernel/zen-kernel 6.5/zen-sauce Details as below (size data is obtained by `nm --size-sort vmlinux`): c42a5c8a: ZEN: Set default max map count to (INT_MAX - 5) 873f6a70: ZEN: mm: Stop kswapd early when nothing's waiting for it to free pages +------------------------------+----------+----------+-------+ | symbol | c42a5c8a | 873f6a70 | delta | +------------------------------+----------+----------+-------+ | bzImage | 516432 | 516624 | 192 | | nm.t.__alloc_pages_slowpath | 1413 | 1514 | 101 | | nm.t.throttle_direct_reclaim | 361 | 409 | 48 | | nm.t.balance_pgdat | 656 | 671 | 15 | | nm.t.allow_direct_reclaim | 130 | 144 | 14 | | nm.B.kswapd_waiters | 0 | 4 | 4 | +------------------------------+----------+----------+-------+ Thanks