diff options
| author | Qian Cai <[email protected]> | 2019-09-23 15:33:52 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2019-09-24 15:54:07 -0700 |
| commit | 9d5f0be0f7556873cd00125dc579a9d9d186b0d0 (patch) | |
| tree | f54fb3f6b7d367020cca4b914834ed9068e1f8d8 | |
| parent | 9adeaa226988b97bc15928e12f40a9863134467c (diff) | |
mm/slub.c: fix -Wunused-function compiler warnings
tid_to_cpu() and tid_to_event() are only used in note_cmpxchg_failure()
when SLUB_DEBUG_CMPXCHG=y, so when SLUB_DEBUG_CMPXCHG=n by default, Clang
will complain that those unused functions.
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Qian Cai <[email protected]>
Acked-by: David Rientjes <[email protected]>
Cc: Christoph Lameter <[email protected]>
Cc: Pekka Enberg <[email protected]>
Cc: Joonsoo Kim <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | mm/slub.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/slub.c b/mm/slub.c index 66808d3e97d2..17fe1cac11fb 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -2004,6 +2004,7 @@ static inline unsigned long next_tid(unsigned long tid) return tid + TID_STEP; } +#ifdef SLUB_DEBUG_CMPXCHG static inline unsigned int tid_to_cpu(unsigned long tid) { return tid % TID_STEP; @@ -2013,6 +2014,7 @@ static inline unsigned long tid_to_event(unsigned long tid) { return tid / TID_STEP; } +#endif static inline unsigned int init_tid(int cpu) { |