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charset=us-ascii Content-Disposition: inline X-Rspamd-Queue-Id: 7379E4000F X-Stat-Signature: fezfmkhfh8pdnso54nzbtnykserznm7a X-Rspamd-Server: rspam02 X-Rspam-User: X-HE-Tag: 1762784996-216176 X-HE-Meta: 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 oMOxS4e3 YppSyJSCl9+T3O9zkdVgbHSO76FXK4JK0CVA9RDlVTEd3FhDH+DG+NWRVAMv8EFGBy/yUH7rNG8BHTU/WkDhpCWoieM664NpsEgvY9lN6MfXCV2iITAioaDkAlvMbDKmXW+A3oJPi5/PL01SQWU40ICRXVF6Vjtl3YYzJMQ1MiMO4+7f4GMHqjxtyVIn5oi/laB6nB/royeIUsdOchvYks1aSvnvRgcwRQP0F0SyQG5FvRNUR38obpmgFWNiq60yFqsSVAF2f8R1nxCpowzfnHhpZfZc3paRBTlm1ZzMeXbXZO/ZEXb8qD+YxIBEeHjWy6XklgkeT91qKk3LyRWuh+LwTWDfXYZgcKnqTsXZBiATg2g0RVu9XmZPe1+fFArd6Qq2LIOyoZbR3Y1XAD3GForUgIj7j0xgSOOThOJuQqV7neZMKr/J0rw62OE9jFosQbcD1 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 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/akpm/mm.git mm-new head: 8017f1fc873a78f54df02521b4d150f7101916ae commit: 85de428c7ca1b71457690b95e162662d0edb2792 [291/296] mm: set the VM_MAYBE_GUARD flag on guard region install config: s390-randconfig-r131-20251110 (https://download.01.org/0day-ci/archive/20251110/202511102224.9qWchj6g-lkp@intel.com/config) compiler: s390-linux-gcc (GCC) 12.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251110/202511102224.9qWchj6g-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/202511102224.9qWchj6g-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) mm/khugepaged.c:830:25: sparse: sparse: symbol 'khugepaged_collapse_control' was not declared. Should it be static? mm/khugepaged.c: note: in included file (through include/linux/rbtree.h, include/linux/mm_types.h, include/linux/mmzone.h, ...): include/linux/rcupdate.h:897:25: sparse: sparse: context imbalance in '__collapse_huge_page_swapin' - unexpected unlock mm/khugepaged.c:1196:26: sparse: sparse: context imbalance in 'collapse_huge_page' - different lock contexts for basic block mm/khugepaged.c:1705:28: sparse: sparse: context imbalance in 'collapse_pte_mapped_thp' - unexpected unlock mm/khugepaged.c: note: in included file: >> include/linux/mm.h:957:24: sparse: sparse: incorrect type in argument 2 (different modifiers) @@ expected unsigned long const volatile *ptr @@ got unsigned long [noderef] * @@ include/linux/mm.h:957:24: sparse: expected unsigned long const volatile *ptr include/linux/mm.h:957:24: sparse: got unsigned long [noderef] * >> include/linux/mm.h:957:24: sparse: sparse: incorrect type in argument 2 (different modifiers) @@ expected unsigned long const volatile *addr @@ got unsigned long [noderef] * @@ include/linux/mm.h:957:24: sparse: expected unsigned long const volatile *addr include/linux/mm.h:957:24: sparse: got unsigned long [noderef] * mm/khugepaged.c:1822:28: sparse: sparse: context imbalance in 'retract_page_tables' - different lock contexts for basic block vim +957 include/linux/mm.h bf91f4ed2a530f2 Lorenzo Stoakes 2025-11-07 946 bf91f4ed2a530f2 Lorenzo Stoakes 2025-11-07 947 /* bf91f4ed2a530f2 Lorenzo Stoakes 2025-11-07 948 * Test for VMA flag atomically. Requires no locks. Only specific valid flags bf91f4ed2a530f2 Lorenzo Stoakes 2025-11-07 949 * are allowed to do this. bf91f4ed2a530f2 Lorenzo Stoakes 2025-11-07 950 * bf91f4ed2a530f2 Lorenzo Stoakes 2025-11-07 951 * This is necessarily racey, so callers must ensure that serialisation is bf91f4ed2a530f2 Lorenzo Stoakes 2025-11-07 952 * achieved through some other means, or that races are permissible. bf91f4ed2a530f2 Lorenzo Stoakes 2025-11-07 953 */ bf91f4ed2a530f2 Lorenzo Stoakes 2025-11-07 954 static inline bool vma_flag_test_atomic(struct vm_area_struct *vma, int bit) bf91f4ed2a530f2 Lorenzo Stoakes 2025-11-07 955 { bf91f4ed2a530f2 Lorenzo Stoakes 2025-11-07 956 if (__vma_flag_atomic_valid(vma, bit)) bf91f4ed2a530f2 Lorenzo Stoakes 2025-11-07 @957 return test_bit(bit, &vma->__vm_flags); 85de428c7ca1b71 Lorenzo Stoakes 2025-11-07 958 85de428c7ca1b71 Lorenzo Stoakes 2025-11-07 959 return false; bf91f4ed2a530f2 Lorenzo Stoakes 2025-11-07 960 } bf91f4ed2a530f2 Lorenzo Stoakes 2025-11-07 961 :::::: The code at line 957 was first introduced by commit :::::: bf91f4ed2a530f2e55e7b202c1692a4c682888d6 mm: add atomic VMA flags and set VM_MAYBE_GUARD as such :::::: TO: Lorenzo Stoakes :::::: CC: Andrew Morton -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki