From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.13]) (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 206353EC839 for ; Thu, 8 Oct 2026 07:55:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.13 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791446106; cv=none; b=UxtoJAQmJaYG+c4hbXZYTKt5GzTW9cahKwu0V7sIrU06HiamWKr1dk5ShVtS07qTChXOrvq4DRDU2ehdhYTxhrCH/umWcne9vG16CD9kzSp4orSpOwi8gAE6bwjg2OLSxPSVr45zjXN/N187FLAlimdQ8Cl+u9G3TQ0UC1seWFM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791446106; c=relaxed/simple; bh=sh2OIe5b4fTTBZI4skuY5L/Vj/kXbqF9dBE+SAp4zQI=; h=Date:From:To:Cc:Subject:Message-ID; b=Qj76iM1aF+tONV/bCcpbInfY1FERg0Codar9gHFQdsH2px2H3pxuQMU0lx2JY2Zi0xZNN+Ru2Ywxnp32icRc8EOZnVUJNe8117MFqG5SAljIX542xHEqNMKN2mEzoc5HTsTyc9rZgzi2+YNq85C+r/t8dD9yVlorxxh6ID1LAbU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=T0+QSloX; arc=none smtp.client-ip=192.198.163.13 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="T0+QSloX" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1791446105; x=1822982105; h=date:from:to:cc:subject:message-id; bh=sh2OIe5b4fTTBZI4skuY5L/Vj/kXbqF9dBE+SAp4zQI=; b=T0+QSloXdZKzHeTxPx8e2d9/o9ZUON21+wKjtCI3+XempgVXrSC3belf 6G3TbuZDHgrAwPBUJF5975s7OxELJbHW47K7qa65V5+TN7Rpgmkf4Zlqa MpA30Kw17bGuh3ilpwtGxlH8982oNV4jK95kGi3PXVczeSLYSOqugGx7/ 1YQwFgWnPHQi3YR4xtkJHlszEsTutt3WOKTyoeHxcJFTXXicSR6ScNVJQ 6c2Cu/v2hgvpdYHeKF7vtagdhmb2WKYkZfJ5N2A9z2QuGOTwtyI/x/chO mFRrqaLH0SS96MmxM7CA0XuaN3y6gH2jsffZFeyOlrmCuay1iTp8xGmgy A==; X-CSE-ConnectionGUID: 50BbrSA/Sjartpe9OnSQ1w== X-CSE-MsgGUID: jIyxPuXvT4yR5ZiH6SscCA== X-IronPort-AV: E=McAfee;i="6800,10657,11928"; a="219825" X-IronPort-AV: E=Sophos;i="6.27,145,1787036400"; d="scan'208";a="219825" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by fmvoesa107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Oct 2026 00:54:33 -0700 X-CSE-ConnectionGUID: cgH7EYn8SuuxINHeI4vEjw== X-CSE-MsgGUID: LfrZdwiuRICCQeFXHF4xeQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,145,1787036400"; d="scan'208";a="72633" Received: from igk-lkp-server01.igk.intel.com (HELO d0de6c2a75a7) ([10.211.93.152]) by fmviesa003.fm.intel.com with ESMTP; 08 Oct 2026 00:54:31 -0700 Received: from kbuild by d0de6c2a75a7 with local (Exim 4.98.2) (envelope-from ) id 1xEixR-0000000054V-3qW1; Thu, 08 Oct 2026 07:54:29 +0000 Date: Thu, 08 Oct 2026 09:54:00 +0200 From: kernel test robot To: cros-kernel-buildreports@googlegroups.com Cc: oe-kbuild-all@lists.linux.dev Subject: [android-common:android16-6.12 0/2] mm/vmscan.c:5285:59: error: 'root_mem_cgroup' undeclared; did you mean 'parent_mem_cgroup'? Message-ID: <202610080912.dCrKVMaZ-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://android.googlesource.com/kernel/common android16-6.12 head: c7ad8c94d6193bff72b385b1cf3fb753de09f780 commit: aa438a63587f2d9dc1888265365ff3de338ba16f [0/2] ANDROID: mm: mglru: invoke root shrinker before memcg-specific ones config: x86_64-randconfig-2101-20261008 (https://download.01.org/0day-ci/archive/20261008/202610080912.dCrKVMaZ-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261008/202610080912.dCrKVMaZ-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202610080912.dCrKVMaZ-lkp@intel.com/ All errors (new ones prefixed by >>): mm/vmscan.c:4695:6: warning: no previous prototype for 'isolate_folio' [-Wmissing-prototypes] 4695 | bool isolate_folio(struct lruvec *lruvec, struct folio *folio, struct scan_control *sc) | ^~~~~~~~~~~~~ mm/vmscan.c: In function 'lru_gen_shrink_node': >> mm/vmscan.c:5285:59: error: 'root_mem_cgroup' undeclared (first use in this function); did you mean 'parent_mem_cgroup'? 5285 | shrink_slab(sc->gfp_mask, pgdat->node_id, root_mem_cgroup, | ^~~~~~~~~~~~~~~ | parent_mem_cgroup mm/vmscan.c:5285:59: note: each undeclared identifier is reported only once for each function it appears in vim +5285 mm/vmscan.c 5255 5256 static void lru_gen_shrink_node(struct pglist_data *pgdat, struct scan_control *sc) 5257 { 5258 struct blk_plug plug; 5259 unsigned long reclaimed = sc->nr_reclaimed; 5260 5261 VM_WARN_ON_ONCE(!root_reclaim(sc)); 5262 5263 /* 5264 * Unmapped clean folios are already prioritized. Scanning for more of 5265 * them is likely futile and can cause high reclaim latency when there 5266 * is a large number of memcgs. 5267 */ 5268 if (!sc->may_writepage || !sc->may_unmap) 5269 goto done; 5270 5271 lru_add_drain(); 5272 5273 blk_start_plug(&plug); 5274 5275 set_mm_walk(pgdat, sc->proactive); 5276 5277 set_initial_priority(pgdat, sc); 5278 5279 if (current_is_kswapd()) 5280 sc->nr_reclaimed = 0; 5281 5282 if (mem_cgroup_disabled()) { 5283 shrink_one(&pgdat->__lruvec, sc); 5284 } else { > 5285 shrink_slab(sc->gfp_mask, pgdat->node_id, root_mem_cgroup, 5286 sc->priority); 5287 if (sc->nr_reclaimed < sc->nr_to_reclaim) 5288 shrink_many(pgdat, sc); 5289 } 5290 if (current_is_kswapd()) 5291 sc->nr_reclaimed += reclaimed; 5292 5293 clear_mm_walk(); 5294 5295 blk_finish_plug(&plug); 5296 done: 5297 if (sc->nr_reclaimed > reclaimed) 5298 pgdat->kswapd_failures = 0; 5299 } 5300 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki