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* [ast-bpf:trylock 11/11] mm/slub.c:4115:16: error: too few arguments to function 'get_partial'
@ 2025-04-05  8:36 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-04-05  8:36 UTC (permalink / raw)
  To: Alexei Starovoitov; +Cc: oe-kbuild-all

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/ast/bpf.git trylock
head:   a8b51ec33155e2a633ff561d09e3ac44faaa3117
commit: a8b51ec33155e2a633ff561d09e3ac44faaa3117 [11/11] kmalloc
config: arc-randconfig-002-20250405 (https://download.01.org/0day-ci/archive/20250405/202504051839.ExpJDPAS-lkp@intel.com/config)
compiler: arc-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250405/202504051839.ExpJDPAS-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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202504051839.ExpJDPAS-lkp@intel.com/

All errors (new ones prefixed by >>):

   mm/slub.c: In function '__slab_alloc_node':
>> mm/slub.c:4115:16: error: too few arguments to function 'get_partial'
    4115 |         slab = get_partial(s, node, &pc);
         |                ^~~~~~~~~~~
   mm/slub.c:3000:21: note: declared here
    3000 | static struct slab *get_partial(struct kmem_cache *s, int node,
         |                     ^~~~~~~~~~~


vim +/get_partial +4115 mm/slub.c

f7c80fad6c2b64 Christoph Lameter   2024-10-01  4074  
1f04b07d976da0 Thomas Gleixner     2022-08-25  4075  	if (!USE_LOCKLESS_FAST_PATH() ||
bb192ed9aa7191 Vlastimil Babka     2021-11-03  4076  	    unlikely(!object || !slab || !node_match(slab, node))) {
6edf2576a6cc46 Feng Tang           2022-09-13  4077  		object = __slab_alloc(s, gfpflags, node, addr, c, orig_size);
8eae1492675d0f Dave Hansen         2014-06-04  4078  	} else {
0ad9500e16fe24 Eric Dumazet        2011-12-16  4079  		void *next_object = get_freepointer_safe(s, object);
0ad9500e16fe24 Eric Dumazet        2011-12-16  4080  
8a5ec0ba42c491 Christoph Lameter   2011-02-25  4081  		/*
25985edcedea63 Lucas De Marchi     2011-03-30  4082  		 * The cmpxchg will only match if there was no additional
8a5ec0ba42c491 Christoph Lameter   2011-02-25  4083  		 * operation and if we are on the right processor.
8a5ec0ba42c491 Christoph Lameter   2011-02-25  4084  		 *
d0e0ac9772f8ec Chen Gang           2013-07-15  4085  		 * The cmpxchg does the following atomically (without lock
d0e0ac9772f8ec Chen Gang           2013-07-15  4086  		 * semantics!)
8a5ec0ba42c491 Christoph Lameter   2011-02-25  4087  		 * 1. Relocate first pointer to the current per cpu area.
8a5ec0ba42c491 Christoph Lameter   2011-02-25  4088  		 * 2. Verify that tid and freelist have not been changed
8a5ec0ba42c491 Christoph Lameter   2011-02-25  4089  		 * 3. If they were not changed replace tid and freelist
8a5ec0ba42c491 Christoph Lameter   2011-02-25  4090  		 *
d0e0ac9772f8ec Chen Gang           2013-07-15  4091  		 * Since this is without lock semantics the protection is only
d0e0ac9772f8ec Chen Gang           2013-07-15  4092  		 * against code executing on this cpu *not* from access by
d0e0ac9772f8ec Chen Gang           2013-07-15  4093  		 * other cpus.
8a5ec0ba42c491 Christoph Lameter   2011-02-25  4094  		 */
6801be4f2653e5 Peter Zijlstra      2023-05-31  4095  		if (unlikely(!__update_cpu_freelist_fast(s, object, next_object, tid))) {
8a5ec0ba42c491 Christoph Lameter   2011-02-25  4096  			note_cmpxchg_failure("slab_alloc", s, tid);
8a5ec0ba42c491 Christoph Lameter   2011-02-25  4097  			goto redo;
8a5ec0ba42c491 Christoph Lameter   2011-02-25  4098  		}
0ad9500e16fe24 Eric Dumazet        2011-12-16  4099  		prefetch_freepointer(s, next_object);
84e554e6865c4f Christoph Lameter   2009-12-18  4100  		stat(s, ALLOC_FASTPATH);
894b8788d7f265 Christoph Lameter   2007-05-10  4101  	}
0f181f9fbea8bc Alexander Potapenko 2019-10-14  4102  
56d5a2b9ba85a3 Vlastimil Babka     2022-11-21  4103  	return object;
56d5a2b9ba85a3 Vlastimil Babka     2022-11-21  4104  }
0af8489b0216fa Vlastimil Babka     2022-11-15  4105  #else /* CONFIG_SLUB_TINY */
0af8489b0216fa Vlastimil Babka     2022-11-15  4106  static void *__slab_alloc_node(struct kmem_cache *s,
0af8489b0216fa Vlastimil Babka     2022-11-15  4107  		gfp_t gfpflags, int node, unsigned long addr, size_t orig_size)
0af8489b0216fa Vlastimil Babka     2022-11-15  4108  {
0af8489b0216fa Vlastimil Babka     2022-11-15  4109  	struct partial_context pc;
0af8489b0216fa Vlastimil Babka     2022-11-15  4110  	struct slab *slab;
0af8489b0216fa Vlastimil Babka     2022-11-15  4111  	void *object;
0af8489b0216fa Vlastimil Babka     2022-11-15  4112  
0af8489b0216fa Vlastimil Babka     2022-11-15  4113  	pc.flags = gfpflags;
0af8489b0216fa Vlastimil Babka     2022-11-15  4114  	pc.orig_size = orig_size;
43c4c349149c77 Chengming Zhou      2023-11-02 @4115  	slab = get_partial(s, node, &pc);
0af8489b0216fa Vlastimil Babka     2022-11-15  4116  
43c4c349149c77 Chengming Zhou      2023-11-02  4117  	if (slab)
43c4c349149c77 Chengming Zhou      2023-11-02  4118  		return pc.object;
0af8489b0216fa Vlastimil Babka     2022-11-15  4119  
0af8489b0216fa Vlastimil Babka     2022-11-15  4120  	slab = new_slab(s, gfpflags, node);
0af8489b0216fa Vlastimil Babka     2022-11-15  4121  	if (unlikely(!slab)) {
0af8489b0216fa Vlastimil Babka     2022-11-15  4122  		slab_out_of_memory(s, gfpflags, node);
0af8489b0216fa Vlastimil Babka     2022-11-15  4123  		return NULL;
0af8489b0216fa Vlastimil Babka     2022-11-15  4124  	}
0af8489b0216fa Vlastimil Babka     2022-11-15  4125  
0af8489b0216fa Vlastimil Babka     2022-11-15  4126  	object = alloc_single_from_new_slab(s, slab, orig_size);
0af8489b0216fa Vlastimil Babka     2022-11-15  4127  
0af8489b0216fa Vlastimil Babka     2022-11-15  4128  	return object;
0af8489b0216fa Vlastimil Babka     2022-11-15  4129  }
0af8489b0216fa Vlastimil Babka     2022-11-15  4130  #endif /* CONFIG_SLUB_TINY */
56d5a2b9ba85a3 Vlastimil Babka     2022-11-21  4131  

:::::: The code at line 4115 was first introduced by commit
:::::: 43c4c349149c77f27c8e5801755a7b8883a70ebe slub: Change get_partial() interfaces to return slab

:::::: TO: Chengming Zhou <zhouchengming@bytedance.com>
:::::: CC: Vlastimil Babka <vbabka@suse.cz>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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2025-04-05  8:36 [ast-bpf:trylock 11/11] mm/slub.c:4115:16: error: too few arguments to function 'get_partial' kernel test robot

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