On Tue, 2013-11-05 at 19:57 +0100, Peter Zijlstra wrote: > On Tue, Nov 05, 2013 at 09:42:39AM -0800, Tim Chen wrote: > > + * The _raw_mcs_spin_lock() function should not be called directly. Instead, > > + * users should call mcs_spin_lock(). > > */ > > -static noinline > > -void mcs_spin_lock(struct mcs_spinlock **lock, struct mcs_spinlock *node) > > +static inline > > +void _raw_mcs_spin_lock(struct mcs_spinlock **lock, struct mcs_spinlock *node) > > { > > struct mcs_spinlock *prev; > > > > So why keep it in the header at all? I also made the suggestion originally of keeping both lock and unlock in mcs_spinlock.c. Wonder if Waiman decides to keep them in header because in-lining the unlock function makes execution a bit faster? Tim -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>