From: Wei Yang <richard.weiyang@xxxxxxxxx> Subject: mm/memcg: remove unused definitions Some definitions are left unused, just clean them. Link: https://lkml.kernel.org/r/20201108003834.12669-1-richard.weiyang@xxxxxxxxx Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxx> Acked-by: Michal Hocko <mhocko@xxxxxxxx> Reviewed-by: Shakeel Butt <shakeelb@xxxxxxxxxx> Reviewed-by: Roman Gushchin <guro@xxxxxx> Cc: Johannes Weiner <hannes@xxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- include/linux/memcontrol.h | 118 ----------------------------------- 1 file changed, 118 deletions(-) --- a/include/linux/memcontrol.h~mm-memcg-remove-unused-definitions +++ a/include/linux/memcontrol.h @@ -913,41 +913,6 @@ static inline void mod_memcg_state(struc local_irq_restore(flags); } -/** - * mod_memcg_page_state - update page state statistics - * @page: the page - * @idx: page state item to account - * @val: number of pages (positive or negative) - * - * The @page must be locked or the caller must use lock_page_memcg() - * to prevent double accounting when the page is concurrently being - * moved to another memcg: - * - * lock_page(page) or lock_page_memcg(page) - * if (TestClearPageState(page)) - * mod_memcg_page_state(page, state, -1); - * unlock_page(page) or unlock_page_memcg(page) - * - * Kernel pages are an exception to this, since they'll never move. - */ -static inline void __mod_memcg_page_state(struct page *page, - int idx, int val) -{ - struct mem_cgroup *memcg = page_memcg(page); - - if (memcg) - __mod_memcg_state(memcg, idx, val); -} - -static inline void mod_memcg_page_state(struct page *page, - int idx, int val) -{ - struct mem_cgroup *memcg = page_memcg(page); - - if (memcg) - mod_memcg_state(memcg, idx, val); -} - static inline unsigned long lruvec_page_state(struct lruvec *lruvec, enum node_stat_item idx) { @@ -1395,18 +1360,6 @@ static inline void mod_memcg_state(struc { } -static inline void __mod_memcg_page_state(struct page *page, - int idx, - int nr) -{ -} - -static inline void mod_memcg_page_state(struct page *page, - int idx, - int nr) -{ -} - static inline unsigned long lruvec_page_state(struct lruvec *lruvec, enum node_stat_item idx) { @@ -1479,34 +1432,6 @@ static inline void lruvec_memcg_debug(st } #endif /* CONFIG_MEMCG */ -/* idx can be of type enum memcg_stat_item or node_stat_item */ -static inline void __inc_memcg_state(struct mem_cgroup *memcg, - int idx) -{ - __mod_memcg_state(memcg, idx, 1); -} - -/* idx can be of type enum memcg_stat_item or node_stat_item */ -static inline void __dec_memcg_state(struct mem_cgroup *memcg, - int idx) -{ - __mod_memcg_state(memcg, idx, -1); -} - -/* idx can be of type enum memcg_stat_item or node_stat_item */ -static inline void __inc_memcg_page_state(struct page *page, - int idx) -{ - __mod_memcg_page_state(page, idx, 1); -} - -/* idx can be of type enum memcg_stat_item or node_stat_item */ -static inline void __dec_memcg_page_state(struct page *page, - int idx) -{ - __mod_memcg_page_state(page, idx, -1); -} - static inline void __inc_lruvec_kmem_state(void *p, enum node_stat_item idx) { __mod_lruvec_kmem_state(p, idx, 1); @@ -1517,34 +1442,6 @@ static inline void __dec_lruvec_kmem_sta __mod_lruvec_kmem_state(p, idx, -1); } -/* idx can be of type enum memcg_stat_item or node_stat_item */ -static inline void inc_memcg_state(struct mem_cgroup *memcg, - int idx) -{ - mod_memcg_state(memcg, idx, 1); -} - -/* idx can be of type enum memcg_stat_item or node_stat_item */ -static inline void dec_memcg_state(struct mem_cgroup *memcg, - int idx) -{ - mod_memcg_state(memcg, idx, -1); -} - -/* idx can be of type enum memcg_stat_item or node_stat_item */ -static inline void inc_memcg_page_state(struct page *page, - int idx) -{ - mod_memcg_page_state(page, idx, 1); -} - -/* idx can be of type enum memcg_stat_item or node_stat_item */ -static inline void dec_memcg_page_state(struct page *page, - int idx) -{ - mod_memcg_page_state(page, idx, -1); -} - static inline struct lruvec *parent_lruvec(struct lruvec *lruvec) { struct mem_cgroup *memcg; @@ -1733,21 +1630,6 @@ static inline void memcg_kmem_uncharge_p __memcg_kmem_uncharge_page(page, order); } -static inline int memcg_kmem_charge(struct mem_cgroup *memcg, gfp_t gfp, - unsigned int nr_pages) -{ - if (memcg_kmem_enabled()) - return __memcg_kmem_charge(memcg, gfp, nr_pages); - return 0; -} - -static inline void memcg_kmem_uncharge(struct mem_cgroup *memcg, - unsigned int nr_pages) -{ - if (memcg_kmem_enabled()) - __memcg_kmem_uncharge(memcg, nr_pages); -} - /* * A helper for accessing memcg's kmem_id, used for getting * corresponding LRU lists. _
