The arm and mips builds failed due to following warnings / errors with gcc-13 / gcc-12 and clang-17 on the Linux next-20240423 tag.
Reported-by: Linux Kernel Functional Testing lkft@linaro.org
arm: - imx_v6_v7_defconfig - orion5x_defconfig
mips: - defconfig - ath79_defconfig - bcm63xx_defconfig
In file included from include/linux/export.h:5, from include/linux/linkage.h:7, from arch/arm/include/asm/bug.h:5, from include/linux/bug.h:5, from include/linux/mmdebug.h:5, from include/linux/mm.h:6, from mm/slub.c:13: mm/slub.c: In function 'count_partial_free_approx': mm/slub.c:3330:28: error: implicit declaration of function 'node_nr_objs'; did you mean 'node_nr_slabs'? [-Werror=implicit-function-declaration] 3330 | x = min(x, node_nr_objs(n)); | ^~~~~~~~~~~~ include/linux/compiler.h:286:55: note: in definition of macro '__is_constexpr' 286 | (sizeof(int) == sizeof(*(8 ? ((void *)((long)(x) * 0l)) : (int *)8))) | ^ include/linux/minmax.h:85:25: note: in expansion of macro '__careful_cmp' 85 | #define min(x, y) __careful_cmp(min, x, y) | ^~~~~~~~~~~~~ mm/slub.c:3330:21: note: in expansion of macro 'min' 3330 | x = min(x, node_nr_objs(n)); | ^~~ In file included from include/linux/init.h:5, from include/linux/printk.h:6, from include/asm-generic/bug.h:22, from arch/arm/include/asm/bug.h:60: include/linux/build_bug.h:78:41: error: static assertion failed: "min(x, node_nr_objs(n)) signedness error, fix types or consider umin() before min_t()" 78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) | ^~~~~~~~~~~~~~ include/linux/build_bug.h:77:34: note: in expansion of macro '__static_assert' 77 | #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr) | ^~~~~~~~~~~~~~~ include/linux/minmax.h:51:9: note: in expansion of macro 'static_assert' 51 | static_assert(__types_ok(x, y), \ | ^~~~~~~~~~~~~ include/linux/minmax.h:58:17: note: in expansion of macro '__cmp_once' 58 | __cmp_once(op, x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y))) | ^~~~~~~~~~ include/linux/minmax.h:85:25: note: in expansion of macro '__careful_cmp' 85 | #define min(x, y) __careful_cmp(min, x, y) | ^~~~~~~~~~~~~ mm/slub.c:3330:21: note: in expansion of macro 'min' 3330 | x = min(x, node_nr_objs(n)); | ^~~ mm/slub.c: At top level: mm/slub.c:3301:22: warning: 'count_partial_free_approx' defined but not used [-Wunused-function] 3301 | static unsigned long count_partial_free_approx(struct kmem_cache_node *n) | ^~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors
Steps to reproduce: --- # tuxmake --runtime podman --target-arch arm --toolchain gcc-13 --kconfig orion5x_defconfig
Links: - https://storage.tuxsuite.com/public/linaro/lkft/builds/2fUaQMPe7cZ5qJJOt50av... - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20240423/tes...
-- Linaro LKFT https://lkft.linaro.org