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-rw-r--r--arch/hexagon/include/asm/pgtable.h1
-rw-r--r--arch/hexagon/kernel/asm-offsets.c1
-rw-r--r--arch/hexagon/mm/vm_tlb.c1
-rw-r--r--include/linux/memcontrol.h246
-rw-r--r--include/linux/vmstat.h1
-rw-r--r--mm/memcontrol.c11
-rw-r--r--mm/page-writeback.c15
-rw-r--r--mm/rmap.c8
-rw-r--r--mm/workingset.c9
9 files changed, 238 insertions, 55 deletions
diff --git a/arch/hexagon/include/asm/pgtable.h b/arch/hexagon/include/asm/pgtable.h
index 24a9177..aef02f7 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 308be68..3980c04 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 9647d00..b474065 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 5a72d83..3914e3d 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 6137719..b3d85f3 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 dceb0de..425aa0c 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 143c1c2..8989ead 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 b255743..ced14f1 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 b8c9ab6..7119cd7 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);
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