On Thu, Feb 06, 2025 at 02:54:19AM -0800, Kumar Kartikeya Dwivedi wrote: > +#define RES_NR_HELD 32 > + > +struct rqspinlock_held { > + int cnt; > + void *locks[RES_NR_HELD]; > +}; That cnt field makes the whole thing overflow a cacheline boundary. Making it 31 makes it fit again.