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| author | Qian Cai <cai@lca.pw> | 2019-09-24 01:33:52 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-09-25 01:54:07 +0300 |
| commit | 9d5f0be0f7556873cd00125dc579a9d9d186b0d0 (patch) | |
| tree | f54fb3f6b7d367020cca4b914834ed9068e1f8d8 | |
| parent | 9adeaa226988b97bc15928e12f40a9863134467c (diff) | |
| download | linux-9d5f0be0f7556873cd00125dc579a9d9d186b0d0.tar.xz | |
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/1568752232-5094-1-git-send-email-cai@lca.pw
Signed-off-by: Qian Cai <cai@lca.pw>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -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) { |