[android-common:android16-6.12 2/2] mm/filemap.c:67:6: warning: no previous prototype for '_trace_android_vh_unlock_mmap_bypass'

tree:   https://android.googlesource.com/kernel/common android16-6.12
head:   3ab5872299d5e82b56421f050aee906aa69bce34
commit: 38a6fa97bf2e5dc01ab158ebd3a048bb628103b7 [2/2] ANDROID: mm: add vendor hook to bypass mmap_lock release in page fault
config: arm-randconfig-001-20260822 (https://download.01.org/0day-ci/archive/20260822/[email protected]/config)
compiler: arm-linux-gnueabi-gcc (GCC) 16.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260822/[email protected]/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 <[email protected]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/

All warnings (new ones prefixed by >>):

>> mm/filemap.c:67:6: warning: no previous prototype for '_trace_android_vh_unlock_mmap_bypass' [-Wmissing-prototypes]
      67 | void _trace_android_vh_unlock_mmap_bypass(struct vm_fault *vmf,
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/_trace_android_vh_unlock_mmap_bypass +67 mm/filemap.c

    61	
    62	/*
    63	 * trace_android_vh_unlock_mmap_bypass is called in mm/internal.h
    64	 * by including trace/hooks/mm.h directly, which will result in build-err.
    65	 * So we create func: _trace_android_vh_unlock_mmap_bypass.
    66	 */
  > 67	void _trace_android_vh_unlock_mmap_bypass(struct vm_fault *vmf,
    68			struct file *fpin, bool *bypass)
    69	{
    70		trace_android_vh_unlock_mmap_bypass(vmf, fpin, bypass);
    71	}
    72	

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