[android-common:android16-6.12 21/21] arch/arm64/kvm/mmu.c:305:1: warning: no previous prototype for function 'kvm_pinned_pages_insert'

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

tree:   https://android.googlesource.com/kernel/common android16-6.12
head:   f22b02c4734528b9236a218ade97555cfae01fbf
commit: 6cf1f36e41a79cd8275eab61d29ad30219b60047 [21/21] ANDROID: KVM: Use interval-tree for kvm_pinned_page
config: arm64-randconfig-001-20250114 (https://download.01.org/0day-ci/archive/20250114/202501142136.SCAqd2YD-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250114/202501142136.SCAqd2YD-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/202501142136.SCAqd2YD-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> arch/arm64/kvm/mmu.c:305:1: warning: no previous prototype for function 'kvm_pinned_pages_insert' [-Wmissing-prototypes]
     305 | INTERVAL_TREE_DEFINE(struct kvm_pinned_page, node, u64, __subtree_last,
         | ^
   include/linux/interval_tree_generic.h:38:15: note: expanded from macro 'INTERVAL_TREE_DEFINE'
      38 | ITSTATIC void ITPREFIX ## _insert(ITSTRUCT *node,                             \
         |               ^
   <scratch space>:73:1: note: expanded from here
      73 | kvm_pinned_pages_insert
         | ^
   arch/arm64/kvm/mmu.c:305:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   include/linux/interval_tree_generic.h:38:10: note: expanded from macro 'INTERVAL_TREE_DEFINE'
      38 | ITSTATIC void ITPREFIX ## _insert(ITSTRUCT *node,                             \
         |          ^
   arch/arm64/kvm/mmu.c:1842:14: warning: variable 'ipa' set but not used [-Wunused-but-set-variable]
    1842 |         phys_addr_t ipa = fault_ipa;
         |                     ^
   2 warnings generated.


vim +/kvm_pinned_pages_insert +305 arch/arm64/kvm/mmu.c

   304	
 > 305	INTERVAL_TREE_DEFINE(struct kvm_pinned_page, node, u64, __subtree_last,
   306			     __pinned_page_start, __pinned_page_end, /* emtpy */,
   307			     kvm_pinned_pages);
   308	

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