On Tue, Mar 28, 2017 at 01:32:04PM +0800, Huang, Ying wrote: > @@ -527,6 +527,23 @@ static inline swp_entry_t get_swap_page(void) > > #endif /* CONFIG_SWAP */ > > +#ifdef CONFIG_THP_SWAP_CLUSTER > +static inline swp_entry_t get_huge_swap_page(void) > +{ > + swp_entry_t entry; > + > + if (get_swap_pages(1, &entry, true)) > + return entry; > + else > + return (swp_entry_t) {0}; > +} > +#else > +static inline swp_entry_t get_huge_swap_page(void) > +{ > + return (swp_entry_t) {0}; > +} > +#endif Your introducing a function without a user, making it very hard to judge whether the API is well-designed for the callers or not. I pointed this out as a systemic problem with this patch series in v3, along with other stuff, but with the way this series is structured I'm having a hard time seeing whether you implemented my other feedback or whether your counter arguments to them are justified. I cannot review and ack these patches this way. -- 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>