diff options
| author | Luca Coelho <luciano.coelho@intel.com> | 2018-09-20 14:28:42 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2018-09-24 09:28:51 +0200 |
| commit | 0e46822b6b9fda206c79cc581dbc2d7d296db653 (patch) | |
| tree | 9b6a0d6653643daf6c9e2b27d88cbe8f0d86585f | |
| parent | 35430f867adfccb27c2981bd5dab17565cdc7117 (diff) | |
backports: add __alloc_bucket_spinlocks() for < 4.19
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| -rw-r--r-- | backport/backport-include/linux/spinlock.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/backport/backport-include/linux/spinlock.h b/backport/backport-include/linux/spinlock.h index a46f6e33..b27f9171 100644 --- a/backport/backport-include/linux/spinlock.h +++ b/backport/backport-include/linux/spinlock.h @@ -25,4 +25,21 @@ int alloc_bucket_spinlocks(spinlock_t **locks, unsigned int *lock_mask, void free_bucket_spinlocks(spinlock_t *locks); #endif /* LINUX_VERSION_IS_LESS(4,16,0) */ +#if LINUX_VERSION_IS_LESS(4,19,0) +int __alloc_bucket_spinlocks(spinlock_t **locks, unsigned int *lock_mask, + size_t max_size, unsigned int cpu_mult, + gfp_t gfp, const char *name, + struct lock_class_key *key); + +#define alloc_bucket_spinlocks(locks, lock_mask, max_size, cpu_mult, gfp) \ + ({ \ + static struct lock_class_key key; \ + int ret; \ + \ + ret = __alloc_bucket_spinlocks(locks, lock_mask, max_size, \ + cpu_mult, gfp, #locks, &key); \ + ret; \ + }) +#endif /* LINUX_VERSION_IS_LESS(4,19,0) */ + #endif /* __BACKPORT_SPINLOCK_H */ |