From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) (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 CCDD37B for ; Sat, 11 Mar 2023 04:47:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1678510062; x=1710046062; h=date:from:to:cc:subject:message-id:mime-version: in-reply-to; bh=kUsE6TDtMAo7iKN1uxRfwp5EFadJNtZpyIoNoqViIMU=; b=U66ylmXCAMZMfn4c4Au8vhNeimgeDnfsvA6mTr90LVaDcvz2Ati/pPwh t5JvBrRUQqgtixfPWpIubnHzTjXb4y5DHnOL+3cR6umAHrefmFESCBBYD mYEkgSl1aI+1Zkl6Ffag2nReAw02in3yn1qte6S40JQQ8E5BFRX1RsiNv FXaSVCZVgq5ylnjjHC3mEjCvS6VttCQXaV6OOSz7DMHxh/SjhG362m9DQ qzlKHCBp9px4PGUqCXdUSmg2l+fdF58I8s5Fo7oxVQb+vvmVIp9zf0LQk HJEZR/JAgRtU5WCTR+ntIVP8mTcA/B2UO5IQ73oZyt5yZdTZ1/yWZAQx2 g==; X-IronPort-AV: E=McAfee;i="6500,9779,10645"; a="338433529" X-IronPort-AV: E=Sophos;i="5.98,251,1673942400"; d="scan'208";a="338433529" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Mar 2023 20:47:42 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10645"; a="671315970" X-IronPort-AV: E=Sophos;i="5.98,251,1673942400"; d="scan'208";a="671315970" Received: from lkp-server01.sh.intel.com (HELO b613635ddfff) ([10.239.97.150]) by orsmga007.jf.intel.com with ESMTP; 10 Mar 2023 20:47:41 -0800 Received: from kbuild by b613635ddfff with local (Exim 4.96) (envelope-from ) id 1par8u-0004L4-07; Sat, 11 Mar 2023 04:47:40 +0000 Date: Sat, 11 Mar 2023 12:47:15 +0800 From: kernel test robot To: Doug Berger Cc: oe-kbuild-all@lists.linux.dev, lkp@intel.com, Josh Triplett Subject: [lkp] [+661 bytes kernel size regression] [i386-tinyconfig] [f9fbaaba68] mm/dmb: Introduce Designated Movable Blocks 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: <20230311003855.645684-8-opendmb@gmail.com> FYI, we noticed a +661 bytes kernel size regression due to commit: commit: f9fbaaba68da88b0ea457feacab434a3fc655153 (mm/dmb: Introduce Designated Movable Blocks) url: https://github.com/intel-lab-lkp/linux/commits/Doug-Berger/lib-show_mem-c-display-MovableOnly/20230311-084243 base: https://git.kernel.org/cgit/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/all/20230311003855.645684-8-opendmb@gmail.com/ patch subject: [PATCH v4 7/9] mm/dmb: Introduce Designated Movable Blocks Details as below (size data is obtained by `nm --size-sort vmlinux`): 3857ef0e: memblock: introduce MEMBLOCK_MOVABLE flag f9fbaaba: mm/dmb: Introduce Designated Movable Blocks +---------------------------------------+----------+----------+-------+ | symbol | 3857ef0e | f9fbaaba | delta | +---------------------------------------+----------+----------+-------+ | bzImage | 501664 | 502176 | 512 | | nm.t.calculate_node_totalpages | 0 | 352 | 352 | | nm.t.zone_absent_pages_in_node | 0 | 334 | 334 | | nm.T.dmb_reserve | 0 | 127 | 127 | | nm.T.dmb_intersects | 0 | 81 | 81 | | nm.T.dmb_init_region | 0 | 77 | 77 | | nm.b.dmb_areas | 0 | 56 | 56 | | nm.t.find_zone_movable_pfns_for_nodes | 546 | 592 | 46 | | nm.T.memblock_free_all | 382 | 395 | 13 | | nm.b.dmb_area_count | 0 | 4 | 4 | | nm.d.max_dmb_pfn | 0 | 4 | 4 | | nm.d.min_dmb_pfn | 0 | 4 | 4 | | nm.T.absent_pages_in_range | 11 | 14 | 3 | | nm.T.free_area_init | 1408 | 968 | -440 | +---------------------------------------+----------+----------+-------+ Thanks