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96ca1830e1
When hlock_equal() is unused, it prevents kernel builds with clang, `make W=1` and CONFIG_WERROR=y, CONFIG_LOCKDEP=y and CONFIG_LOCKDEP_SMALL=n: lockdep.c:2005:20: error: unused function 'hlock_equal' [-Werror,-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") Fixes:68e3056785("lockdep: Adjust check_redundant() for recursive read change") Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Boqun Feng <boqun.feng@gmail.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> Cc: Bill Wendling <morbo@google.com> Cc: Justin Stitt <justinstitt@google.com> Cc: Nathan Chancellor <nathan@kernel.org> Cc: Nick Desaulniers <nick.desaulniers+lkml@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Waiman Long <longman@redhat.com> Cc: Will Deacon <will@kernel.org> Cc: llvm@lists.linux.dev Link: https://lore.kernel.org/r/20250506042049.50060-2-boqun.feng@gmail.com