diff options
-rw-r--r-- | arch/hexagon/include/asm/pgtable.h | 1 | ||||
-rw-r--r-- | arch/hexagon/kernel/asm-offsets.c | 1 | ||||
-rw-r--r-- | arch/hexagon/mm/vm_tlb.c | 1 | ||||
-rw-r--r-- | include/linux/memcontrol.h | 246 | ||||
-rw-r--r-- | include/linux/vmstat.h | 1 | ||||
-rw-r--r-- | mm/memcontrol.c | 11 | ||||
-rw-r--r-- | mm/page-writeback.c | 15 | ||||
-rw-r--r-- | mm/rmap.c | 8 | ||||
-rw-r--r-- | mm/workingset.c | 9 |
9 files changed, 238 insertions, 55 deletions
diff --git a/arch/hexagon/include/asm/pgtable.h b/arch/hexagon/include/asm/pgtable.h index 24a9177fb897..aef02f7ca8aa 100644 --- a/arch/hexagon/include/asm/pgtable.h +++ b/arch/hexagon/include/asm/pgtable.h @@ -24,7 +24,6 @@ /* * Page table definitions for Qualcomm Hexagon processor. */ -#include <linux/swap.h> #include <asm/page.h> #define __ARCH_USE_5LEVEL_HACK #include <asm-generic/pgtable-nopmd.h> diff --git a/arch/hexagon/kernel/asm-offsets.c b/arch/hexagon/kernel/asm-offsets.c index 308be68d4fb3..3980c0407aa1 100644 --- a/arch/hexagon/kernel/asm-offsets.c +++ b/arch/hexagon/kernel/asm-offsets.c @@ -25,7 +25,6 @@ #include <linux/compat.h> #include <linux/types.h> #include <linux/sched.h> -#include <linux/mm.h> #include <linux/interrupt.h> #include <linux/kbuild.h> #include <asm/ptrace.h> diff --git a/arch/hexagon/mm/vm_tlb.c b/arch/hexagon/mm/vm_tlb.c index 9647d00cb761..b474065533ce 100644 --- a/arch/hexagon/mm/vm_tlb.c +++ b/arch/hexagon/mm/vm_tlb.c @@ -24,6 +24,7 @@ * be instantiated for it, differently from a native build. */ #include <linux/mm.h> +#include <linux/sched.h> #include <asm/page.h> #include <asm/hexagon_vm.h> diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 5a72d8377942..3914e3dd6168 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -26,7 +26,8 @@ #include <linux/page_counter.h> #include <linux/vmpressure.h> #include <linux/eventfd.h> -#include <linux/mmzone.h> +#include <linux/mm.h> +#include <linux/vmstat.h> #include <linux/writeback.h> #include <linux/page-flags.h> @@ -98,11 +99,16 @@ struct mem_cgroup_reclaim_iter { unsigned int generation; }; +struct lruvec_stat { + long count[NR_VM_NODE_STAT_ITEMS]; +}; + /* * per-zone information in memory controller. */ struct mem_cgroup_per_node { struct lruvec lruvec; + struct lruvec_stat __percpu *lruvec_stat; unsigned long lru_zone_size[MAX_NR_ZONES][NR_LRU_LISTS]; struct mem_cgroup_reclaim_iter iter[DEF_PRIORITY + 1]; @@ -496,23 +502,18 @@ static inline unsigned long memcg_page_state(struct mem_cgroup *memcg, return val; } -static inline void mod_memcg_state(struct mem_cgroup *memcg, - enum memcg_stat_item idx, int val) +static inline void __mod_memcg_state(struct mem_cgroup *memcg, + enum memcg_stat_item idx, int val) { if (!mem_cgroup_disabled()) - this_cpu_add(memcg->stat->count[idx], val); -} - -static inline void inc_memcg_state(struct mem_cgroup *memcg, - enum memcg_stat_item idx) -{ - mod_memcg_state(memcg, idx, 1); + __this_cpu_add(memcg->stat->count[idx], val); } -static inline void dec_memcg_state(struct mem_cgroup *memcg, - enum memcg_stat_item idx) +static inline void mod_memcg_state(struct mem_cgroup *memcg, + enum memcg_stat_item idx, int val) { - mod_memcg_state(memcg, idx, -1); + if (!mem_cgroup_disabled()) + this_cpu_add(memcg->stat->count[idx], val); } /** @@ -532,6 +533,13 @@ static inline void dec_memcg_state(struct mem_cgroup *memcg, * * Kernel pages are an exception to this, since they'll never move. */ +static inline void __mod_memcg_page_state(struct page *page, + enum memcg_stat_item idx, int val) +{ + if (page->mem_cgroup) + __mod_memcg_state(page->mem_cgroup, idx, val); +} + static inline void mod_memcg_page_state(struct page *page, enum memcg_stat_item idx, int val) { @@ -539,16 +547,76 @@ static inline void mod_memcg_page_state(struct page *page, mod_memcg_state(page->mem_cgroup, idx, val); } -static inline void inc_memcg_page_state(struct page *page, - enum memcg_stat_item idx) +static inline unsigned long lruvec_page_state(struct lruvec *lruvec, + enum node_stat_item idx) { - mod_memcg_page_state(page, idx, 1); + struct mem_cgroup_per_node *pn; + long val = 0; + int cpu; + + if (mem_cgroup_disabled()) + return node_page_state(lruvec_pgdat(lruvec), idx); + + pn = container_of(lruvec, struct mem_cgroup_per_node, lruvec); + for_each_possible_cpu(cpu) + val += per_cpu(pn->lruvec_stat->count[idx], cpu); + + if (val < 0) + val = 0; + + return val; } -static inline void dec_memcg_page_state(struct page *page, - enum memcg_stat_item idx) +static inline void __mod_lruvec_state(struct lruvec *lruvec, + enum node_stat_item idx, int val) { - mod_memcg_page_state(page, idx, -1); + struct mem_cgroup_per_node *pn; + + __mod_node_page_state(lruvec_pgdat(lruvec), idx, val); + if (mem_cgroup_disabled()) + return; + pn = container_of(lruvec, struct mem_cgroup_per_node, lruvec); + __mod_memcg_state(pn->memcg, idx, val); + __this_cpu_add(pn->lruvec_stat->count[idx], val); +} + +static inline void mod_lruvec_state(struct lruvec *lruvec, + enum node_stat_item idx, int val) +{ + struct mem_cgroup_per_node *pn; + + mod_node_page_state(lruvec_pgdat(lruvec), idx, val); + if (mem_cgroup_disabled()) + return; + pn = container_of(lruvec, struct mem_cgroup_per_node, lruvec); + mod_memcg_state(pn->memcg, idx, val); + this_cpu_add(pn->lruvec_stat->count[idx], val); +} + +static inline void __mod_lruvec_page_state(struct page *page, + enum node_stat_item idx, int val) +{ + struct mem_cgroup_per_node *pn; + + __mod_node_page_state(page_pgdat(page), idx, val); + if (mem_cgroup_disabled() || !page->mem_cgroup) + return; + __mod_memcg_state(page->mem_cgroup, idx, val); + pn = page->mem_cgroup->nodeinfo[page_to_nid(page)]; + __this_cpu_add(pn->lruvec_stat->count[idx], val); +} + +static inline void mod_lruvec_page_state(struct page *page, + enum node_stat_item idx, int val) +{ + struct mem_cgroup_per_node *pn; + + mod_node_page_state(page_pgdat(page), idx, val); + if (mem_cgroup_disabled() || !page->mem_cgroup) + return; + mod_memcg_state(page->mem_cgroup, idx, val); + pn = page->mem_cgroup->nodeinfo[page_to_nid(page)]; + this_cpu_add(pn->lruvec_stat->count[idx], val); } unsigned long mem_cgroup_soft_limit_reclaim(pg_data_t *pgdat, int order, @@ -777,19 +845,21 @@ static inline unsigned long memcg_page_state(struct mem_cgroup *memcg, return 0; } -static inline void mod_memcg_state(struct mem_cgroup *memcg, - enum memcg_stat_item idx, - int nr) +static inline void __mod_memcg_state(struct mem_cgroup *memcg, + enum memcg_stat_item idx, + int nr) { } -static inline void inc_memcg_state(struct mem_cgroup *memcg, - enum memcg_stat_item idx) +static inline void mod_memcg_state(struct mem_cgroup *memcg, + enum memcg_stat_item idx, + int nr) { } -static inline void dec_memcg_state(struct mem_cgroup *memcg, - enum memcg_stat_item idx) +static inline void __mod_memcg_page_state(struct page *page, + enum memcg_stat_item idx, + int nr) { } @@ -799,14 +869,34 @@ static inline void mod_memcg_page_state(struct page *page, { } -static inline void inc_memcg_page_state(struct page *page, - enum memcg_stat_item idx) +static inline unsigned long lruvec_page_state(struct lruvec *lruvec, + enum node_stat_item idx) { + return node_page_state(lruvec_pgdat(lruvec), idx); } -static inline void dec_memcg_page_state(struct page *page, - enum memcg_stat_item idx) +static inline void __mod_lruvec_state(struct lruvec *lruvec, + enum node_stat_item idx, int val) { + __mod_node_page_state(lruvec_pgdat(lruvec), idx, val); +} + +static inline void mod_lruvec_state(struct lruvec *lruvec, + enum node_stat_item idx, int val) +{ + mod_node_page_state(lruvec_pgdat(lruvec), idx, val); +} + +static inline void __mod_lruvec_page_state(struct page *page, + enum node_stat_item idx, int val) +{ + __mod_node_page_state(page_pgdat(page), idx, val); +} + +static inline void mod_lruvec_page_state(struct page *page, + enum node_stat_item idx, int val) +{ + mod_node_page_state(page_pgdat(page), idx, val); } static inline @@ -838,6 +928,102 @@ void count_memcg_event_mm(struct mm_struct *mm, enum vm_event_item idx) } #endif /* CONFIG_MEMCG */ +static inline void __inc_memcg_state(struct mem_cgroup *memcg, + enum memcg_stat_item idx) +{ + __mod_memcg_state(memcg, idx, 1); +} + +static inline void __dec_memcg_state(struct mem_cgroup *memcg, + enum memcg_stat_item idx) +{ + __mod_memcg_state(memcg, idx, -1); +} + +static inline void __inc_memcg_page_state(struct page *page, + enum memcg_stat_item idx) +{ + __mod_memcg_page_state(page, idx, 1); +} + +static inline void __dec_memcg_page_state(struct page *page, + enum memcg_stat_item idx) +{ + __mod_memcg_page_state(page, idx, -1); +} + +static inline void __inc_lruvec_state(struct lruvec *lruvec, + enum node_stat_item idx) +{ + __mod_lruvec_state(lruvec, idx, 1); +} + +static inline void __dec_lruvec_state(struct lruvec *lruvec, + enum node_stat_item idx) +{ + __mod_lruvec_state(lruvec, idx, -1); +} + +static inline void __inc_lruvec_page_state(struct page *page, + enum node_stat_item idx) +{ + __mod_lruvec_page_state(page, idx, 1); +} + +static inline void __dec_lruvec_page_state(struct page *page, + enum node_stat_item idx) +{ + __mod_lruvec_page_state(page, idx, -1); +} + +static inline void inc_memcg_state(struct mem_cgroup *memcg, + enum memcg_stat_item idx) +{ + mod_memcg_state(memcg, idx, 1); +} + +static inline void dec_memcg_state(struct mem_cgroup *memcg, + enum memcg_stat_item idx) +{ + mod_memcg_state(memcg, idx, -1); +} + +static inline void inc_memcg_page_state(struct page *page, + enum memcg_stat_item idx) +{ + mod_memcg_page_state(page, idx, 1); +} + +static inline void dec_memcg_page_state(struct page *page, + enum memcg_stat_item idx) +{ + mod_memcg_page_state(page, idx, -1); +} + +static inline void inc_lruvec_state(struct lruvec *lruvec, + enum node_stat_item idx) +{ + mod_lruvec_state(lruvec, idx, 1); +} + +static inline void dec_lruvec_state(struct lruvec *lruvec, + enum node_stat_item idx) +{ + mod_lruvec_state(lruvec, idx, -1); +} + +static inline void inc_lruvec_page_state(struct page *page, + enum node_stat_item idx) +{ + mod_lruvec_page_state(page, idx, 1); +} + +static inline void dec_lruvec_page_state(struct page *page, + enum node_stat_item idx) +{ + mod_lruvec_page_state(page, idx, -1); +} + #ifdef CONFIG_CGROUP_WRITEBACK struct list_head *mem_cgroup_cgwb_list(struct mem_cgroup *memcg); diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h index 613771909b6e..b3d85f30d424 100644 --- a/include/linux/vmstat.h +++ b/include/linux/vmstat.h @@ -3,7 +3,6 @@ #include <linux/types.h> #include <linux/percpu.h> -#include <linux/mm.h> #include <linux/mmzone.h> #include <linux/vm_event_item.h> #include <linux/atomic.h> diff --git a/mm/memcontrol.c b/mm/memcontrol.c index dceb0deb8d5e..425aa0caa712 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -4122,6 +4122,12 @@ static int alloc_mem_cgroup_per_node_info(struct mem_cgroup *memcg, int node) if (!pn) return 1; + pn->lruvec_stat = alloc_percpu(struct lruvec_stat); + if (!pn->lruvec_stat) { + kfree(pn); + return 1; + } + lruvec_init(&pn->lruvec); pn->usage_in_excess = 0; pn->on_tree = false; @@ -4133,7 +4139,10 @@ static int alloc_mem_cgroup_per_node_info(struct mem_cgroup *memcg, int node) static void free_mem_cgroup_per_node_info(struct mem_cgroup *memcg, int node) { - kfree(memcg->nodeinfo[node]); + struct mem_cgroup_per_node *pn = memcg->nodeinfo[node]; + + free_percpu(pn->lruvec_stat); + kfree(pn); } static void __mem_cgroup_free(struct mem_cgroup *memcg) diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 143c1c25d680..8989eada0ef7 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -2433,8 +2433,7 @@ void account_page_dirtied(struct page *page, struct address_space *mapping) inode_attach_wb(inode, page); wb = inode_to_wb(inode); - inc_memcg_page_state(page, NR_FILE_DIRTY); - __inc_node_page_state(page, NR_FILE_DIRTY); + __inc_lruvec_page_state(page, NR_FILE_DIRTY); __inc_zone_page_state(page, NR_ZONE_WRITE_PENDING); __inc_node_page_state(page, NR_DIRTIED); __inc_wb_stat(wb, WB_RECLAIMABLE); @@ -2455,8 +2454,7 @@ void account_page_cleaned(struct page *page, struct address_space *mapping, struct bdi_writeback *wb) { if (mapping_cap_account_dirty(mapping)) { - dec_memcg_page_state(page, NR_FILE_DIRTY); - dec_node_page_state(page, NR_FILE_DIRTY); + dec_lruvec_page_state(page, NR_FILE_DIRTY); dec_zone_page_state(page, NR_ZONE_WRITE_PENDING); dec_wb_stat(wb, WB_RECLAIMABLE); task_io_account_cancelled_write(PAGE_SIZE); @@ -2712,8 +2710,7 @@ int clear_page_dirty_for_io(struct page *page) */ wb = unlocked_inode_to_wb_begin(inode, &locked); if (TestClearPageDirty(page)) { - dec_memcg_page_state(page, NR_FILE_DIRTY); - dec_node_page_state(page, NR_FILE_DIRTY); + dec_lruvec_page_state(page, NR_FILE_DIRTY); dec_zone_page_state(page, NR_ZONE_WRITE_PENDING); dec_wb_stat(wb, WB_RECLAIMABLE); ret = 1; @@ -2759,8 +2756,7 @@ int test_clear_page_writeback(struct page *page) ret = TestClearPageWriteback(page); } if (ret) { - dec_memcg_page_state(page, NR_WRITEBACK); - dec_node_page_state(page, NR_WRITEBACK); + dec_lruvec_page_state(page, NR_WRITEBACK); dec_zone_page_state(page, NR_ZONE_WRITE_PENDING); inc_node_page_state(page, NR_WRITTEN); } @@ -2814,8 +2810,7 @@ int __test_set_page_writeback(struct page *page, bool keep_write) ret = TestSetPageWriteback(page); } if (!ret) { - inc_memcg_page_state(page, NR_WRITEBACK); - inc_node_page_state(page, NR_WRITEBACK); + inc_lruvec_page_state(page, NR_WRITEBACK); inc_zone_page_state(page, NR_ZONE_WRITE_PENDING); } unlock_page_memcg(page); diff --git a/mm/rmap.c b/mm/rmap.c index b255743351e5..ced14f1af6dc 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -1145,8 +1145,7 @@ void page_add_file_rmap(struct page *page, bool compound) if (!atomic_inc_and_test(&page->_mapcount)) goto out; } - __mod_node_page_state(page_pgdat(page), NR_FILE_MAPPED, nr); - mod_memcg_page_state(page, NR_FILE_MAPPED, nr); + __mod_lruvec_page_state(page, NR_FILE_MAPPED, nr); out: unlock_page_memcg(page); } @@ -1181,12 +1180,11 @@ static void page_remove_file_rmap(struct page *page, bool compound) } /* - * We use the irq-unsafe __{inc|mod}_zone_page_state because + * We use the irq-unsafe __{inc|mod}_lruvec_page_state because * these counters are not modified in interrupt context, and * pte lock(a spinlock) is held, which implies preemption disabled. */ - __mod_node_page_state(page_pgdat(page), NR_FILE_MAPPED, -nr); - mod_memcg_page_state(page, NR_FILE_MAPPED, -nr); + __mod_lruvec_page_state(page, NR_FILE_MAPPED, -nr); if (unlikely(PageMlocked(page))) clear_page_mlock(page); diff --git a/mm/workingset.c b/mm/workingset.c index b8c9ab678479..7119cd745ace 100644 --- a/mm/workingset.c +++ b/mm/workingset.c @@ -288,12 +288,10 @@ bool workingset_refault(void *shadow) */ refault_distance = (refault - eviction) & EVICTION_MASK; - inc_node_state(pgdat, WORKINGSET_REFAULT); - inc_memcg_state(memcg, WORKINGSET_REFAULT); + inc_lruvec_state(lruvec, WORKINGSET_REFAULT); if (refault_distance <= active_file) { - inc_node_state(pgdat, WORKINGSET_ACTIVATE); - inc_memcg_state(memcg, WORKINGSET_ACTIVATE); + inc_lruvec_state(lruvec, WORKINGSET_ACTIVATE); rcu_read_unlock(); return true; } @@ -474,8 +472,7 @@ static enum lru_status shadow_lru_isolate(struct list_head *item, } if (WARN_ON_ONCE(node->exceptional)) goto out_invalid; - inc_node_state(page_pgdat(virt_to_page(node)), WORKINGSET_NODERECLAIM); - inc_memcg_page_state(virt_to_page(node), WORKINGSET_NODERECLAIM); + inc_lruvec_page_state(virt_to_page(node), WORKINGSET_NODERECLAIM); __radix_tree_delete_node(&mapping->page_tree, node, workingset_update_node, mapping); |