tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 8d0c42c9e80791e8baba2932d2cbd2dcead50d47 commit: 86431e299ca5a0e16405201535b6060936146215 [2760/3682] mm/slab_common: drop kmem_alloc & avoid dereferencing fields when not using config: openrisc-randconfig-s033-20220828 (https://download.01.org/0day-ci/archive/20220829/202208290041.W6s9gjtG-lkp@xxxxxxxxx/config) compiler: or1k-linux-gcc (GCC) 12.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=86431e299ca5a0e16405201535b6060936146215 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 86431e299ca5a0e16405201535b6060936146215 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=openrisc SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) mm/slab_common.c: note: in included file (through include/trace/trace_events.h, include/trace/define_trace.h, include/trace/events/kmem.h): >> include/trace/events/kmem.h:54:1: sparse: sparse: restricted gfp_t degrades to integer vim +54 include/trace/events/kmem.h 53 > 54 TRACE_EVENT(kmalloc, 55 56 TP_PROTO(unsigned long call_site, 57 const void *ptr, 58 size_t bytes_req, 59 size_t bytes_alloc, 60 gfp_t gfp_flags, 61 int node), 62 63 TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags, node), 64 65 TP_STRUCT__entry( 66 __field( unsigned long, call_site ) 67 __field( const void *, ptr ) 68 __field( size_t, bytes_req ) 69 __field( size_t, bytes_alloc ) 70 __field( unsigned long, gfp_flags ) 71 __field( int, node ) 72 ), 73 74 TP_fast_assign( 75 __entry->call_site = call_site; 76 __entry->ptr = ptr; 77 __entry->bytes_req = bytes_req; 78 __entry->bytes_alloc = bytes_alloc; 79 __entry->gfp_flags = (__force unsigned long)gfp_flags; 80 __entry->node = node; 81 ), 82 83 TP_printk("call_site=%pS ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s node=%d accounted=%s", 84 (void *)__entry->call_site, 85 __entry->ptr, 86 __entry->bytes_req, 87 __entry->bytes_alloc, 88 show_gfp_flags(__entry->gfp_flags), 89 __entry->node, 90 (IS_ENABLED(CONFIG_MEMCG_KMEM) && 91 (__entry->gfp_flags & __GFP_ACCOUNT)) ? "true" : "false") 92 ); 93 -- 0-DAY CI Kernel Test Service https://01.org/lkp