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d="scan'208";a="7149168" Received: from igk-lkp-server01.igk.intel.com (HELO 58ca8a381a5c) ([10.211.93.152]) by fmviesa008.fm.intel.com with ESMTP; 04 Nov 2026 14:18:58 -0800 Received: from kbuild by 58ca8a381a5c with local (Exim 4.98.2) (envelope-from ) id 1xOjJo-000000009HD-0x64; Wed, 04 Nov 2026 22:18:56 +0000 Date: Wed, 04 Nov 2026 23:18:46 +0100 From: kernel test robot To: cros-kernel-buildreports@googlegroups.com Cc: oe-kbuild-all@lists.linux.dev Subject: [android-common:android17-6.18 8/8] mm/gcma.c:459:9: sparse: sparse: Using plain integer as NULL pointer Message-ID: <202611042335.Ib92ULSO-lkp@intel.com> User-Agent: s-nail v14.9.25 X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list tree: https://android.googlesource.com/kernel/common android17-6.18 head: 0ded20fe17312e3beb85ae8d0d95984036fe32cd commit: 5019ce82e0f28db9c8d3a45e77b3efcafb366bbd [8/8] ANDROID: mm: introduce GCMA config: arm64-randconfig-r2304-20261104 (https://download.01.org/0day-ci/archive/20261104/202611042335.Ib92ULSO-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 15.3.0 sparse: v0.6.5-rc1-21-g84ec0658 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261104/202611042335.Ib92ULSO-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/202611042335.Ib92ULSO-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> mm/gcma.c:459:9: sparse: sparse: Using plain integer as NULL pointer >> mm/gcma.c:995:23: sparse: sparse: symbol 'gcma_cleancache_ops' was not declared. Should it be static? mm/gcma.c:321:13: sparse: sparse: context imbalance in 'page_area_lock' - wrong count at exit mm/gcma.c:331:13: sparse: sparse: context imbalance in 'page_area_unlock' - unexpected unlock vim +459 mm/gcma.c 449 450 static void gcma_erase_page(struct gcma_inode *inode, unsigned long index, 451 struct page *page, bool put_page) 452 { 453 void *old; 454 455 lockdep_assert_held(&inode->pages.xa_lock); 456 457 /* The inode refcount will decrease when the page is freed */ 458 old = __xa_erase(&inode->pages, index); > 459 VM_BUG_ON(old == 0); 460 delete_page_from_lru(page); 461 if (put_page) 462 gcma_put_page(page); 463 464 check_and_remove_inode(inode); 465 } 466 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki