From: kernel test robot <lkp@intel.com>
To: Alexei Starovoitov <ast@kernel.org>
Cc: oe-kbuild-all@lists.linux.dev
Subject: [ast-bpf:trylock 11/11] mm/slub.c:4115:16: error: too few arguments to function 'get_partial'
Date: Sat, 5 Apr 2025 16:36:51 +0800 [thread overview]
Message-ID: <202504051839.ExpJDPAS-lkp@intel.com> (raw)
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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