[linux-next:master 2760/3682] include/trace/events/kmem.h:54:1: sparse: sparse: restricted gfp_t degrades to integer

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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




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