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X-CSE-ConnectionGUID: Bmas/j05RBSE7iYeIZyWDQ== X-CSE-MsgGUID: Pk6nbib3REmYl8BzlJILkQ== X-IronPort-AV: E=McAfee;i="6800,10657,11689"; a="96630835" X-IronPort-AV: E=Sophos;i="6.21,268,1763452800"; d="scan'208";a="96630835" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Feb 2026 23:50:30 -0800 X-CSE-ConnectionGUID: WUf4cPhfRpOi8O+lwSOg5A== X-CSE-MsgGUID: RlMFFGmTSpuF4tdxaB04jw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,268,1763452800"; d="scan'208";a="209240619" Received: from lkp-server01.sh.intel.com (HELO 765f4a05e27f) ([10.239.97.150]) by orviesa009.jf.intel.com with ESMTP; 01 Feb 2026 23:50:30 -0800 Received: from kbuild by 765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1vmohW-00000000fKM-2hjG; Mon, 02 Feb 2026 07:50:26 +0000 Date: Mon, 2 Feb 2026 15:50:17 +0800 From: kernel test robot To: Youngjun Park Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev Subject: Re: [RFC PATCH v3 1/5] mm: swap: introduce swap tier infrastructure Message-ID: <202602021529.0NRBWccf-lkp@intel.com> References: <20260131125454.3187546-2-youngjun.park@lge.com> Precedence: bulk X-Mailing-List: llvm@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: <20260131125454.3187546-2-youngjun.park@lge.com> Hi Youngjun, [This is a private test report for your RFC patch.] kernel test robot noticed the following build warnings: [auto build test WARNING on 5a3704ed2dce0b54a7f038b765bb752b87ee8cc2] url: https://github.com/intel-lab-lkp/linux/commits/Youngjun-Park/mm-swap-introduce-swap-tier-infrastructure/20260201-005914 base: 5a3704ed2dce0b54a7f038b765bb752b87ee8cc2 patch link: https://lore.kernel.org/r/20260131125454.3187546-2-youngjun.park%40lge.com patch subject: [RFC PATCH v3 1/5] mm: swap: introduce swap tier infrastructure config: i386-buildonly-randconfig-003-20260202 (https://download.01.org/0day-ci/archive/20260202/202602021529.0NRBWccf-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260202/202602021529.0NRBWccf-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/202602021529.0NRBWccf-lkp@intel.com/ All warnings (new ones prefixed by >>): >> mm/swap_tier.c:95:10: warning: format specifies type 'long' but the argument has type 'int' [-Wformat] 93 | len += sysfs_emit_at(buf, len, "%-16s %-5ld %-11d %-11d\n", | ~~~~~ | %-5d 94 | tier->name, 95 | TIER_IDX(tier), | ^~~~~~~~~~~~~~ mm/swap_tier.c:30:24: note: expanded from macro 'TIER_IDX' 30 | #define TIER_IDX(tier) ((tier) - swap_tiers) | ^~~~~~~~~~~~~~~~~~~~~ 1 warning generated. vim +95 mm/swap_tier.c 82 83 ssize_t swap_tiers_sysfs_show(char *buf) 84 { 85 struct swap_tier *tier; 86 ssize_t len = 0; 87 88 len += sysfs_emit_at(buf, len, "%-16s %-5s %-11s %-11s\n", 89 "Name", "Idx", "PrioStart", "PrioEnd"); 90 91 spin_lock(&swap_tier_lock); 92 for_each_active_tier(tier) { 93 len += sysfs_emit_at(buf, len, "%-16s %-5ld %-11d %-11d\n", 94 tier->name, > 95 TIER_IDX(tier), 96 tier->prio, 97 TIER_END_PRIO(tier)); 98 if (len >= PAGE_SIZE) 99 break; 100 } 101 spin_unlock(&swap_tier_lock); 102 103 return len; 104 } 105 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki