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X-CSE-ConnectionGUID: 7HHug42/RReokxiKGZUFOA== X-CSE-MsgGUID: Y9V5XcVbQPmWJkkjqMdgGA== X-IronPort-AV: E=McAfee;i="6800,10657,11751"; a="76386020" X-IronPort-AV: E=Sophos;i="6.23,164,1770624000"; d="scan'208";a="76386020" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Apr 2026 21:02:38 -0700 X-CSE-ConnectionGUID: hDN5JaADSR+G6kSUFiuj2Q== X-CSE-MsgGUID: m/ZRTmsfRgqGZwFzPaZW0Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,164,1770624000"; d="scan'208";a="227957161" Received: from lkp-server01.sh.intel.com (HELO d00eb8a6782a) ([10.239.97.150]) by orviesa009.jf.intel.com with ESMTP; 06 Apr 2026 21:02:36 -0700 Received: from kbuild by d00eb8a6782a with local (Exim 4.98.2) (envelope-from ) id 1w9xe5-00000000087-3c6R; Tue, 07 Apr 2026 04:02:33 +0000 Date: Tue, 07 Apr 2026 12:01:51 +0800 From: kernel test robot To: cros-kernel-buildreports@googlegroups.com Cc: oe-kbuild-all@lists.linux.dev Subject: [android-common:android16-6.12-desktop 36/36] drivers/block/zram/zram_ioctl.c:128:23: error: alignment may not be specified for 'pidfd' Message-ID: <202604060832.eGI4CqSI-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: Hi Richard, FYI, the error/warning still remains. tree: https://android.googlesource.com/kernel/common android16-6.12-desktop head: 80789ec92e27cff976d5fc1f92a536be1bb3b14c commit: 160a4092db67397d85b790f102f375ae0e045257 [36/36] ANDROID: zram: Add ZRAM_ANDROID_IOC_PROCESS_PREFETCH ioctl config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20260406/202604060832.eGI4CqSI-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 15.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260406/202604060832.eGI4CqSI-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/202604060832.eGI4CqSI-lkp@intel.com/ All errors (new ones prefixed by >>): >> drivers/block/zram/zram_ioctl.c:128:23: error: alignment may not be specified for 'pidfd' 128 | __aligned_u64 pidfd, Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for INTEL_MEI_ME Depends on [n]: X86 && PCI [=y] Selected by [y]: - INTEL_MEI_HDCP [=y] && (DRM_I915 [=n] || DRM_XE [=y]) - INTEL_MEI_PXP [=y] && (DRM_I915 [=n] || DRM_XE [=y]) vim +/pidfd +128 drivers/block/zram/zram_ioctl.c 126 127 static int zram_ioctl_process_scan(struct zram *zram, unsigned int cmd, > 128 __aligned_u64 pidfd, 129 struct zram_android_ioc_process_range_writeback *prwb, 130 struct zram_pp_ctl *ctl) 131 { 132 struct mm_struct *mm; 133 struct vm_area_struct *vma; 134 struct task_struct *task; 135 unsigned long start_addr = 0; 136 u64 nr_remaining_pages = 0; 137 unsigned int f_flags; 138 int ret = 0; 139 140 struct zram_process_walk_private private = { 141 .zram = zram, 142 .pp_ctl = ctl, 143 .cmd = cmd, 144 }; 145 146 if (cmd == ZRAM_ANDROID_IOC_PROCESS_RANGE_WRITEBACK) { 147 start_addr = (unsigned long)prwb->start_addr; 148 nr_remaining_pages = DIV_ROUND_UP_POW2(prwb->size, PAGE_SIZE); 149 } 150 151 if (!nr_remaining_pages) 152 private.nr_remaining_pages = NR_PAGES_UNLIMITED; 153 else 154 private.nr_remaining_pages = nr_remaining_pages; 155 156 task = pidfd_get_task(pidfd, &f_flags); 157 if (IS_ERR(task)) 158 return PTR_ERR(task); 159 160 mm = get_task_mm(task); 161 if (!mm) { 162 ret = -ESRCH; 163 goto release_task; 164 } 165 166 if (start_addr >= mm->task_size) { 167 ret = -EINVAL; 168 goto release_mm; 169 } 170 171 if (!IS_ALIGNED(start_addr, PAGE_SIZE)) { 172 ret = -EINVAL; 173 goto release_mm; 174 } 175 176 VMA_ITERATOR(vmi, mm, start_addr); 177 /* Iterates through all the VMAs of the process */ 178 mmap_read_lock(mm); 179 for_each_vma(vmi, vma) { 180 unsigned long start = max(vma->vm_start, start_addr); 181 182 if (!vma_is_anonymous(vma) && (!can_do_file_pageout(vma) && 183 (vma->vm_flags & VM_MAYSHARE))) 184 continue; 185 186 ret = walk_page_range(mm, start, vma->vm_end, 187 &zram_walk_ops, &private); 188 if (ret) 189 break; 190 } 191 192 if (cmd == ZRAM_ANDROID_IOC_PROCESS_RANGE_WRITEBACK) { 193 if (ret > 0) { 194 prwb->next_addr = private.next_addr; 195 ret = 0; 196 } else { 197 prwb->next_addr = 0; 198 } 199 } 200 201 mmap_read_unlock(mm); 202 release_mm: 203 mmput(mm); 204 release_task: 205 put_task_struct(task); 206 207 return ret; 208 } 209 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki