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orviesa009.jf.intel.com with ESMTP; 20 Apr 2026 20:31:21 -0700 Received: from kbuild by 7e48d0ff8e22 with local (Exim 4.98.2) (envelope-from ) id 1wF1pV-000000003BS-204v; Tue, 21 Apr 2026 03:31:17 +0000 Date: Tue, 21 Apr 2026 11:31:07 +0800 From: kernel test robot To: Miaohe Lin Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Andrew Morton , Linux Memory Management List Subject: include/asm-generic/tlb.h:609:42: sparse: sparse: cast truncates bits from constant value (1000000000 becomes 0) Message-ID: <202604211126.7cN4M93P-lkp@intel.com> User-Agent: s-nail v14.9.25 X-Rspamd-Queue-Id: 407EDA0008 X-Rspamd-Server: rspam12 X-Stat-Signature: pg6d9k8rw4fj4disfpurno758os9o5b6 X-Rspam-User: X-HE-Tag: 1776742284-50826 X-HE-Meta: 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9oovR8ktY+hBahCkHCAXW8wIV0TncW9Zk5c9kq+SMCtnSGXkWRhDnMXzmiSm99FLFh36xkctJTM+BhFnmx+Os5IdxKSDvqVyP+//E+1g3UOh2VLs2PnGqMTJT05HCWJ9r9zEYNjb32ZyR/ixrLM/yMHj+1cyjR5uWFfCK7DPOQKdq9LNMr6NM/x+8UnKCWuVUV+VgtkgVgx9C2be4Gy5GB6DZbPB7kVe3SYqFjnqLKyAn1F4B/fnRM8NmWbquk7lvGZUKxaVrduNKrJ0UGI70+F6bWEok/repiUHCKhLX9YxgQ0U0e0VkXGY06N1NGYFJ+6pe Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: b4e07588e743c989499ca24d49e752c074924a9a commit: c090868f59ce888db838cf543d18f731d13ed498 Revert "hugetlb: make hugetlb depends on SYSFS or SYSCTL" date: 7 months ago config: arm64-randconfig-r112-20260420 (https://download.01.org/0day-ci/archive/20260421/202604211126.7cN4M93P-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 8.5.0 sparse: v0.6.5-rc1 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260421/202604211126.7cN4M93P-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 | Fixes: c090868f59ce ("Revert "hugetlb: make hugetlb depends on SYSFS or SYSCTL"") | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202604211126.7cN4M93P-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) mm/hugetlb.c:665:12: sparse: sparse: context imbalance in 'allocate_file_region_entries' - wrong count at exit mm/hugetlb.c:736:13: sparse: sparse: context imbalance in 'region_add' - wrong count at exit mm/hugetlb.c:803:13: sparse: sparse: context imbalance in 'region_chg' - wrong count at exit mm/hugetlb.c:5778:20: sparse: sparse: context imbalance in 'move_huge_pte' - different lock contexts for basic block mm/hugetlb.c: note: in included file (through arch/arm64/include/asm/tlb.h): >> include/asm-generic/tlb.h:609:42: sparse: sparse: cast truncates bits from constant value (1000000000 becomes 0) mm/hugetlb.c: note: in included file (through arch/arm64/include/asm/barrier.h, include/linux/list.h): arch/arm64/include/asm/alternative-macros.h:232:9: sparse: sparse: context imbalance in 'hugetlb_wp' - unexpected unlock vim +609 include/asm-generic/tlb.h 2631ed00b04988 Peter Zijlstra (Intel 2020-06-25 605) 2631ed00b04988 Peter Zijlstra (Intel 2020-06-25 606) static inline void tlb_flush_pmd_range(struct mmu_gather *tlb, 2631ed00b04988 Peter Zijlstra (Intel 2020-06-25 607) unsigned long address, unsigned long size) 2631ed00b04988 Peter Zijlstra (Intel 2020-06-25 608) { 2631ed00b04988 Peter Zijlstra (Intel 2020-06-25 @609) __tlb_adjust_range(tlb, address, size); 2631ed00b04988 Peter Zijlstra (Intel 2020-06-25 610) tlb->cleared_pmds = 1; 2631ed00b04988 Peter Zijlstra (Intel 2020-06-25 611) } 2631ed00b04988 Peter Zijlstra (Intel 2020-06-25 612) :::::: The code at line 609 was first introduced by commit :::::: 2631ed00b0498810f8d5c2163c6b5270d893687b tlb: mmu_gather: add tlb_flush_*_range APIs :::::: TO: Peter Zijlstra (Intel) :::::: CC: Catalin Marinas -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki