[openeuler:OLK-5.10 3333/3333] htmldocs: Warning: mm/hugetlb.c references a file that doesn't exist: Documentation/mm/mmu_notifier.rst

[kernel test robot <lkp@intel.com>]

Hi James,

First bad commit (maybe != root cause):

tree:   https://gitee.com/openeuler/kernel.git OLK-5.10
head:   18627faf2934ad96de2e45368ec4cf2444343b22
commit: 06bf7ef0de9fd581d9a66f2154dddbaddc1812da [3333/3333] hugetlb: unshare some PMDs when splitting VMAs
reproduce: (https://download.01.org/0day-ci/archive/20251126/202511261802.tpTOoC8k-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/202511261802.tpTOoC8k-lkp@intel.com/

All warnings (new ones prefixed by >>):

   Warning: arch/riscv/kvm/vcpu.c references a file that doesn't exist: Documentation/virtual/kvm/vcpu-requests.rst
   Warning: arch/x86/kernel/cpu/resctrl/monitor.c references a file that doesn't exist: Documentation/x86/resctrl.rst
   Warning: crypto/asymmetric_keys/pgp_preload.c references a file that doesn't exist: Documentation/security/keys-crypto.txt
   Warning: drivers/irqchip/Kconfig references a file that doesn't exist: Documentation/loongarch/irq-chip-model.rst
   Warning: drivers/net/ethernet/yunsilicon/xsc/common/xsc_ioctl.h references a file that doesn't exist: Documentation/ioctl/ioctl-number.txt
>> Warning: mm/hugetlb.c references a file that doesn't exist: Documentation/mm/mmu_notifier.rst
   Warning: openEuler/MAINTAINERS references a file that doesn't exist: Documentation/networking/hinic3.rst
   Warning: /sys/bus/iio/devices/iio:deviceX/in_accel_x_calibbias is defined 2 times:  ./Documentation/ABI/testing/sysfs-bus-iio:394  ./Documentation/ABI/testing/sysfs-bus-iio-icm42600:0
   Warning: /sys/bus/iio/devices/iio:deviceX/in_accel_y_calibbias is defined 2 times:  ./Documentation/ABI/testing/sysfs-bus-iio:395  ./Documentation/ABI/testing/sysfs-bus-iio-icm42600:1
   Warning: /sys/bus/iio/devices/iio:deviceX/in_accel_z_calibbias is defined 2 times:  ./Documentation/ABI/testing/sysfs-bus-iio:396  ./Documentation/ABI/testing/sysfs-bus-iio-icm42600:2
   Warning: /sys/bus/iio/devices/iio:deviceX/in_anglvel_x_calibbias is defined 2 times:  ./Documentation/ABI/testing/sysfs-bus-iio:397  ./Documentation/ABI/testing/sysfs-bus-iio-icm42600:3

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