[bytedance:5.15-velinux 0/92] mm/memory.c:1718: warning: Function parameter or member 'details' not described in 'zap_page_range'

[bytedance:5.15-velinux 0/92] mm/memory.c:1718: warning: Function parameter or member 'details' not described in 'zap_page_range'

[kernel test robot]

Hi Qi,

FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.

tree:   https://github.com/bytedance/kernel.git 5.15-velinux
head:   c71e88ad12bfbc44f855b681ef923e1acc2e984a
commit: 41aa13e68be21943e440b9f8df819ce65301fd26 [0/92] bytedance: add details parameter for zap_page_range()
config: x86_64-buildonly-randconfig-001-20250715 (https://download.01.org/0day-ci/archive/20250716/202507160651.B75pFdfp-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250716/202507160651.B75pFdfp-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/202507160651.B75pFdfp-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> mm/memory.c:1718: warning: Function parameter or member 'details' not described in 'zap_page_range'


vim +1718 mm/memory.c

^1da177e4c3f41 Linus Torvalds 2005-04-16  1707  
^1da177e4c3f41 Linus Torvalds 2005-04-16  1708  /**
^1da177e4c3f41 Linus Torvalds 2005-04-16  1709   * zap_page_range - remove user pages in a given range
^1da177e4c3f41 Linus Torvalds 2005-04-16  1710   * @vma: vm_area_struct holding the applicable pages
eb4546bbbdb160 Randy Dunlap   2012-06-20  1711   * @start: starting address of pages to zap
^1da177e4c3f41 Linus Torvalds 2005-04-16  1712   * @size: number of bytes to zap
f5cc4eef9987d0 Al Viro        2012-03-05  1713   *
f5cc4eef9987d0 Al Viro        2012-03-05  1714   * Caller must protect the VMA list
^1da177e4c3f41 Linus Torvalds 2005-04-16  1715   */
7e027b14d53e97 Linus Torvalds 2012-05-06  1716  void zap_page_range(struct vm_area_struct *vma, unsigned long start,
41aa13e68be219 Qi Zheng       2025-04-01  1717  		unsigned long size, struct zap_details *details)
^1da177e4c3f41 Linus Torvalds 2005-04-16 @1718  {
ac46d4f3c43241 Jérôme Glisse  2018-12-28  1719  	struct mmu_notifier_range range;
d16dfc550f5326 Peter Zijlstra 2011-05-24  1720  	struct mmu_gather tlb;
^1da177e4c3f41 Linus Torvalds 2005-04-16  1721  
^1da177e4c3f41 Linus Torvalds 2005-04-16  1722  	lru_add_drain();
7269f999934b28 Jérôme Glisse  2019-05-13  1723  	mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, vma->vm_mm,
6f4f13e8d9e27c Jérôme Glisse  2019-05-13  1724  				start, start + size);
a72afd873089c6 Will Deacon    2021-01-27  1725  	tlb_gather_mmu(&tlb, vma->vm_mm);
ac46d4f3c43241 Jérôme Glisse  2018-12-28  1726  	update_hiwater_rss(vma->vm_mm);
ac46d4f3c43241 Jérôme Glisse  2018-12-28  1727  	mmu_notifier_invalidate_range_start(&range);
ac46d4f3c43241 Jérôme Glisse  2018-12-28  1728  	for ( ; vma && vma->vm_start < range.end; vma = vma->vm_next)
41aa13e68be219 Qi Zheng       2025-04-01  1729  		unmap_single_vma(&tlb, vma, start, range.end, details);
ac46d4f3c43241 Jérôme Glisse  2018-12-28  1730  	mmu_notifier_invalidate_range_end(&range);
ae8eba8b5d723a Will Deacon    2021-01-27  1731  	tlb_finish_mmu(&tlb);
^1da177e4c3f41 Linus Torvalds 2005-04-16  1732  }
^1da177e4c3f41 Linus Torvalds 2005-04-16  1733  

:::::: The code at line 1718 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@ppc970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@ppc970.osdl.org>

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https://github.com/intel/lkp-tests/wiki