[android-common:android16-6.12-desktop 11/11] mm/hmm.c:595:21: error: implicit declaration of function 'mmu_interval_check_retry'

[android-common:android16-6.12-desktop 11/11] mm/hmm.c:595:21: error: implicit declaration of function 'mmu_interval_check_retry'

[kernel test robot]

Hi Ryan,

First bad commit (maybe != root cause):

tree:   https://android.googlesource.com/kernel/common android16-6.12-desktop
head:   dc1cbab31745422f559829a3be0cc2bcfd2967ae
commit: e481300819c9576070aa3b7b8edc2da716d0e3c4 [11/11] ANDROID: GKI: x86: add HMM_MIRROR as DRM hidden dep
config: x86_64-randconfig-104-20250712 (https://download.01.org/0day-ci/archive/20250713/202507130727.deZ6Vccv-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14+deb12u1) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250713/202507130727.deZ6Vccv-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/202507130727.deZ6Vccv-lkp@intel.com/

All errors (new ones prefixed by >>):

   mm/hmm.c: In function 'hmm_range_fault':
>> mm/hmm.c:595:21: error: implicit declaration of function 'mmu_interval_check_retry' [-Werror=implicit-function-declaration]
     595 |                 if (mmu_interval_check_retry(range->notifier,
         |                     ^~~~~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for CAN_RX_OFFLOAD
   Depends on [n]: NETDEVICES [=y] && CAN_DEV [=n] && CAN_NETLINK [=n]
   Selected by [y]:
   - GKI_HIDDEN_MCP251XFD_CONFIGS [=y] && 64BIT [=y]


vim +/mmu_interval_check_retry +595 mm/hmm.c

7b86ac3371b70c Christoph Hellwig 2019-08-28  562  
9a4903e49e495b Christoph Hellwig 2019-07-25  563  /**
9a4903e49e495b Christoph Hellwig 2019-07-25  564   * hmm_range_fault - try to fault some address in a virtual address range
f970b977e068aa Jason Gunthorpe   2020-03-27  565   * @range:	argument structure
9a4903e49e495b Christoph Hellwig 2019-07-25  566   *
be957c886d92aa Jason Gunthorpe   2020-05-01  567   * Returns 0 on success or one of the following error codes:
73231612dc7c90 Jérôme Glisse     2019-05-13  568   *
9a4903e49e495b Christoph Hellwig 2019-07-25  569   * -EINVAL:	Invalid arguments or mm or virtual address is in an invalid vma
9a4903e49e495b Christoph Hellwig 2019-07-25  570   *		(e.g., device file vma).
73231612dc7c90 Jérôme Glisse     2019-05-13  571   * -ENOMEM:	Out of memory.
9a4903e49e495b Christoph Hellwig 2019-07-25  572   * -EPERM:	Invalid permission (e.g., asking for write and range is read
9a4903e49e495b Christoph Hellwig 2019-07-25  573   *		only).
9a4903e49e495b Christoph Hellwig 2019-07-25  574   * -EBUSY:	The range has been invalidated and the caller needs to wait for
9a4903e49e495b Christoph Hellwig 2019-07-25  575   *		the invalidation to finish.
f970b977e068aa Jason Gunthorpe   2020-03-27  576   * -EFAULT:     A page was requested to be valid and could not be made valid
f970b977e068aa Jason Gunthorpe   2020-03-27  577   *              ie it has no backing VMA or it is illegal to access
74eee180b935fc Jérôme Glisse     2017-09-08  578   *
f970b977e068aa Jason Gunthorpe   2020-03-27  579   * This is similar to get_user_pages(), except that it can read the page tables
f970b977e068aa Jason Gunthorpe   2020-03-27  580   * without mutating them (ie causing faults).
74eee180b935fc Jérôme Glisse     2017-09-08  581   */
be957c886d92aa Jason Gunthorpe   2020-05-01  582  int hmm_range_fault(struct hmm_range *range)
74eee180b935fc Jérôme Glisse     2017-09-08  583  {
d28c2c9a487708 Ralph Campbell    2019-11-04  584  	struct hmm_vma_walk hmm_vma_walk = {
d28c2c9a487708 Ralph Campbell    2019-11-04  585  		.range = range,
d28c2c9a487708 Ralph Campbell    2019-11-04  586  		.last = range->start,
d28c2c9a487708 Ralph Campbell    2019-11-04  587  	};
a22dd506400d0f Jason Gunthorpe   2019-11-12  588  	struct mm_struct *mm = range->notifier->mm;
74eee180b935fc Jérôme Glisse     2017-09-08  589  	int ret;
74eee180b935fc Jérôme Glisse     2017-09-08  590  
42fc541404f249 Michel Lespinasse 2020-06-08  591  	mmap_assert_locked(mm);
74eee180b935fc Jérôme Glisse     2017-09-08  592  
a3e0d41c2b1f86 Jérôme Glisse     2019-05-13  593  	do {
a3e0d41c2b1f86 Jérôme Glisse     2019-05-13  594  		/* If range is no longer valid force retry. */
a22dd506400d0f Jason Gunthorpe   2019-11-12 @595  		if (mmu_interval_check_retry(range->notifier,

:::::: The code at line 595 was first introduced by commit
:::::: a22dd506400d0f4784ad596f073b9eb5ed7c6a2a mm/hmm: remove hmm_mirror and related

:::::: TO: Jason Gunthorpe <jgg@mellanox.com>
:::::: CC: Jason Gunthorpe <jgg@mellanox.com>

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