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Andy Shevchenko
6238537766
commit188cb385bbupstream. When pmd_to_hmm_pfn_flags() is unused, it prevents kernel builds with clang, `make W=1` and CONFIG_TRANSPARENT_HUGEPAGE=n: mm/hmm.c:186:29: warning: unused function 'pmd_to_hmm_pfn_flags' [-Wunused-function] Fix this by moving the function to the respective existing ifdeffery for its the only user. See also:6863f5643d("kbuild: allow Clang to find unused static inline functions for W=1 build") Link: https://lkml.kernel.org/r/20250710082403.664093-1-andriy.shevchenko@linux.intel.com Fixes:992de9a8b7("mm/hmm: allow to mirror vma of a file on a DAX backed filesystem") Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Leon Romanovsky <leonro@nvidia.com> Reviewed-by: Alistair Popple <apopple@nvidia.com> Cc: Andriy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Bill Wendling <morbo@google.com> Cc: Jerome Glisse <jglisse@redhat.com> Cc: Justin Stitt <justinstitt@google.com> Cc: Nathan Chancellor <nathan@kernel.org> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>