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McKenney" , Steven Rostedt , Masami Hiramatsu , Dennis Zhou , Tejun Heo , Christoph Lameter , Martin Liu , David Rientjes , christian.koenig@amd.com, Shakeel Butt , SeongJae Park , Michal Hocko , Johannes Weiner , Sweet Tea Dorminy , Lorenzo Stoakes , "Liam R . 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 2026-02-26 20:12, Nathan Chancellor wrote: > > FWIW, the ClangBuiltLinux CI sees a boot failure with sparc64_defconfig, > which does not appear to be clang specific. I can reproduce it here > with: I found the issue with the info provided by Heiko. Thanks for the reproducer! > This series is not bisectable to see which specific patch causes this, > as I get > > In file included from mm/init-mm.c:2: > include/linux/mm_types.h:1419:57: error: 'PERCPU_COUNTER_TREE_ITEMS_STATIC_SIZE' undeclared here (not in a function) > 1419 | [0 ... sizeof(cpumask_t) + MM_CID_STATIC_SIZE + PERCPU_COUNTER_TREE_ITEMS_STATIC_SIZE. - 1] = 0 \ > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > mm/init-mm.c:50:27: note: in expansion of macro 'MM_STRUCT_FLEXIBLE_ARRAY_INIT' > 50 | .flexible_array = MM_STRUCT_FLEXIBLE_ARRAY_INIT, > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > include/linux/mm_types.h:1419:10: error: array index in initializer not of integer type > 1419 | [0 ... sizeof(cpumask_t) + MM_CID_STATIC_SIZE + PERCPU_COUNTER_TREE_ITEMS_STATIC_SIZE - 1] = 0 \ > | ^ > mm/init-mm.c:50:27: note: in expansion of macro 'MM_STRUCT_FLEXIBLE_ARRAY_INIT' > 50 | .flexible_array = MM_STRUCT_FLEXIBLE_ARRAY_INIT, > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > include/linux/mm_types.h:1419:10: note: (near initialization for 'init_mm.flexible_array') > 1419 | [0 ... sizeof(cpumask_t) + MM_CID_STATIC_SIZE + PERCPU_COUNTER_TREE_ITEMS_STATIC_SIZE - 1] = 0 \ > | ^ > mm/init-mm.c:50:27: note: in expansion of macro 'MM_STRUCT_FLEXIBLE_ARRAY_INIT' > 50 | .flexible_array = MM_STRUCT_FLEXIBLE_ARRAY_INIT, > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > prior to this change that removes PERCPU_COUNTER_TREE_ITEMS_STATIC_SIZE. Good catch. I will fix this as well for v18. Thanks! Mathieu -- Mathieu Desnoyers EfficiOS Inc. https://www.efficios.com