[linux-next:master 6694/7693] mm/slab_common.c:373: warning: Excess function parameter 'freeptr_offset' description in 'kmem_cache_create_usercopy'

[linux-next:master 6694/7693] mm/slab_common.c:373: warning: Excess function parameter 'freeptr_offset' description in 'kmem_cache_create_usercopy'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   b18bbfc14a38b5234e09c2adcf713e38063a7e6e
commit: 18dc9b3951080f2aefb63112b99cd6c95357a8d8 [6694/7693] mm: add kmem_cache_create_rcu()
config: microblaze-randconfig-r032-20221121 (https://download.01.org/0day-ci/archive/20240829/202408292249.5oUpnCbS-lkp@intel.com/config)
compiler: microblaze-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240829/202408292249.5oUpnCbS-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/202408292249.5oUpnCbS-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> mm/slab_common.c:373: warning: Excess function parameter 'freeptr_offset' description in 'kmem_cache_create_usercopy'


vim +373 mm/slab_common.c

   338	
   339	/**
   340	 * kmem_cache_create_usercopy - Create a cache with a region suitable
   341	 * for copying to userspace
   342	 * @name: A string which is used in /proc/slabinfo to identify this cache.
   343	 * @size: The size of objects to be created in this cache.
   344	 * @freeptr_offset: Custom offset for the free pointer in RCU caches
   345	 * @align: The required alignment for the objects.
   346	 * @flags: SLAB flags
   347	 * @useroffset: Usercopy region offset
   348	 * @usersize: Usercopy region size
   349	 * @ctor: A constructor for the objects.
   350	 *
   351	 * Cannot be called within a interrupt, but can be interrupted.
   352	 * The @ctor is run when new pages are allocated by the cache.
   353	 *
   354	 * The flags are
   355	 *
   356	 * %SLAB_POISON - Poison the slab with a known test pattern (a5a5a5a5)
   357	 * to catch references to uninitialised memory.
   358	 *
   359	 * %SLAB_RED_ZONE - Insert `Red` zones around the allocated memory to check
   360	 * for buffer overruns.
   361	 *
   362	 * %SLAB_HWCACHE_ALIGN - Align the objects in this cache to a hardware
   363	 * cacheline.  This can be beneficial if you're counting cycles as closely
   364	 * as davem.
   365	 *
   366	 * Return: a pointer to the cache on success, NULL on failure.
   367	 */
   368	struct kmem_cache *
   369	kmem_cache_create_usercopy(const char *name, unsigned int size,
   370				   unsigned int align, slab_flags_t flags,
   371				   unsigned int useroffset, unsigned int usersize,
   372				   void (*ctor)(void *))
 > 373	{
   374		return do_kmem_cache_create_usercopy(name, size, UINT_MAX, align, flags,
   375						     useroffset, usersize, ctor);
   376	}
   377	EXPORT_SYMBOL(kmem_cache_create_usercopy);
   378	

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