No need for the crapper to be susceptible to false-sharing. Signed-off-by: Mateusz Guzik --- fs/char_dev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/char_dev.c b/fs/char_dev.c index c2ddb998f3c9..84a5a0699373 100644 --- a/fs/char_dev.c +++ b/fs/char_dev.c @@ -343,7 +343,7 @@ void __unregister_chrdev(unsigned int major, unsigned int baseminor, kfree(cd); } -static DEFINE_SPINLOCK(cdev_lock); +static __cacheline_aligned_in_smp DEFINE_SPINLOCK(cdev_lock); static struct kobject *cdev_get(struct cdev *p) { -- 2.48.1