struct mm_struct;
struct kmem_cache;
-/*
- * The corresponding mem_cgroup_stat_names is defined in mm/memcontrol.c,
- * These two lists should keep in accord with each other.
- */
-enum mem_cgroup_stat_index {
- /*
- * For MEM_CONTAINER_TYPE_ALL, usage = pagecache + rss.
- */
- MEM_CGROUP_STAT_CACHE, /* # of pages charged as cache */
- MEM_CGROUP_STAT_RSS, /* # of pages charged as anon rss */
- MEM_CGROUP_STAT_RSS_HUGE, /* # of pages charged as anon huge */
- MEM_CGROUP_STAT_SHMEM, /* # of pages charged as shmem */
- MEM_CGROUP_STAT_FILE_MAPPED, /* # of pages charged as file rss */
- MEM_CGROUP_STAT_DIRTY, /* # of dirty pages in page cache */
- MEM_CGROUP_STAT_WRITEBACK, /* # of pages under writeback */
- MEM_CGROUP_STAT_SWAP, /* # of pages, swapped out */
- MEM_CGROUP_STAT_NSTATS,
- /* default hierarchy stats */
- MEMCG_KERNEL_STACK_KB = MEM_CGROUP_STAT_NSTATS,
+/* Cgroup-specific page state, on top of universal node page state */
+enum memcg_stat_item {
+ MEMCG_CACHE = NR_VM_NODE_STAT_ITEMS,
+ MEMCG_RSS,
+ MEMCG_RSS_HUGE,
+ MEMCG_SWAP,
+ MEMCG_SOCK,
+ /* XXX: why are these zone and not node counters? */
+ MEMCG_KERNEL_STACK_KB,
MEMCG_SLAB_RECLAIMABLE,
MEMCG_SLAB_UNRECLAIMABLE,
- MEMCG_SOCK,
- MEMCG_WORKINGSET_REFAULT,
- MEMCG_WORKINGSET_ACTIVATE,
- MEMCG_WORKINGSET_NODERECLAIM,
MEMCG_NR_STAT,
};
+/* Cgroup-specific events, on top of universal VM events */
+enum memcg_event_item {
+ MEMCG_LOW = NR_VM_EVENT_ITEMS,
+ MEMCG_HIGH,
+ MEMCG_MAX,
+ MEMCG_OOM,
+ MEMCG_NR_EVENTS,
+};
+
struct mem_cgroup_reclaim_cookie {
pg_data_t *pgdat;
int priority;
unsigned int generation;
};
+#ifdef CONFIG_MEMCG
+
+#define MEM_CGROUP_ID_SHIFT 16
+#define MEM_CGROUP_ID_MAX USHRT_MAX
+
+struct mem_cgroup_id {
+ int id;
+ atomic_t ref;
+};
+
/*
* Per memcg event counter is incremented at every pagein/pageout. With THP,
* it will be incremated by the number of pages. This counter is used for
MEM_CGROUP_NTARGETS,
};
-#ifdef CONFIG_MEMCG
-
-#define MEM_CGROUP_ID_SHIFT 16
-#define MEM_CGROUP_ID_MAX USHRT_MAX
-
-struct mem_cgroup_id {
- int id;
- atomic_t ref;
-};
-
-/* Cgroup-specific events, on top of universal VM events */
-enum memcg_event_item {
- MEMCG_LOW = NR_VM_EVENT_ITEMS,
- MEMCG_HIGH,
- MEMCG_MAX,
- MEMCG_OOM,
- MEMCG_NR_EVENTS,
-};
-
struct mem_cgroup_stat_cpu {
long count[MEMCG_NR_STAT];
unsigned long events[MEMCG_NR_EVENTS];
void unlock_page_memcg(struct page *page);
static inline unsigned long mem_cgroup_read_stat(struct mem_cgroup *memcg,
- enum mem_cgroup_stat_index idx)
+ enum memcg_stat_item idx)
{
long val = 0;
int cpu;
}
static inline void mem_cgroup_update_stat(struct mem_cgroup *memcg,
- enum mem_cgroup_stat_index idx, int val)
+ enum memcg_stat_item idx, int val)
{
if (!mem_cgroup_disabled())
this_cpu_add(memcg->stat->count[idx], val);
}
static inline void mem_cgroup_inc_stat(struct mem_cgroup *memcg,
- enum mem_cgroup_stat_index idx)
+ enum memcg_stat_item idx)
{
mem_cgroup_update_stat(memcg, idx, 1);
}
static inline void mem_cgroup_dec_stat(struct mem_cgroup *memcg,
- enum mem_cgroup_stat_index idx)
+ enum memcg_stat_item idx)
{
mem_cgroup_update_stat(memcg, idx, -1);
}
* Kernel pages are an exception to this, since they'll never move.
*/
static inline void mem_cgroup_update_page_stat(struct page *page,
- enum mem_cgroup_stat_index idx, int val)
+ enum memcg_stat_item idx, int val)
{
if (page->mem_cgroup)
mem_cgroup_update_stat(page->mem_cgroup, idx, val);
}
static inline void mem_cgroup_inc_page_stat(struct page *page,
- enum mem_cgroup_stat_index idx)
+ enum memcg_stat_item idx)
{
mem_cgroup_update_page_stat(page, idx, 1);
}
static inline void mem_cgroup_dec_page_stat(struct page *page,
- enum mem_cgroup_stat_index idx)
+ enum memcg_stat_item idx)
{
mem_cgroup_update_page_stat(page, idx, -1);
}
}
static inline void mem_cgroup_update_stat(struct mem_cgroup *memcg,
- enum mem_cgroup_stat_index idx, int val)
+ enum memcg_stat_item idx, int val)
{
}
static inline void mem_cgroup_inc_stat(struct mem_cgroup *memcg,
- enum mem_cgroup_stat_index idx)
+ enum memcg_stat_item idx)
{
}
static inline void mem_cgroup_dec_stat(struct mem_cgroup *memcg,
- enum mem_cgroup_stat_index idx)
+ enum memcg_stat_item idx)
{
}
static inline void mem_cgroup_update_page_stat(struct page *page,
- enum mem_cgroup_stat_index idx,
+ enum memcg_stat_item idx,
int nr)
{
}
static inline void mem_cgroup_inc_page_stat(struct page *page,
- enum mem_cgroup_stat_index idx)
+ enum memcg_stat_item idx)
{
}
static inline void mem_cgroup_dec_page_stat(struct page *page,
- enum mem_cgroup_stat_index idx)
+ enum memcg_stat_item idx)
{
}
* @val: number of pages (positive or negative)
*/
static inline void memcg_kmem_update_page_stat(struct page *page,
- enum mem_cgroup_stat_index idx, int val)
+ enum memcg_stat_item idx, int val)
{
if (memcg_kmem_enabled() && page->mem_cgroup)
this_cpu_add(page->mem_cgroup->stat->count[idx], val);
}
static inline void memcg_kmem_update_page_stat(struct page *page,
- enum mem_cgroup_stat_index idx, int val)
+ enum memcg_stat_item idx, int val)
{
}
#endif /* CONFIG_MEMCG && !CONFIG_SLOB */
return !cgroup_subsys_on_dfl(memory_cgrp_subsys) && do_swap_account;
}
-static const char * const mem_cgroup_stat_names[] = {
- "cache",
- "rss",
- "rss_huge",
- "shmem",
- "mapped_file",
- "dirty",
- "writeback",
- "swap",
-};
-
-static const char * const mem_cgroup_lru_names[] = {
+static const char *const mem_cgroup_lru_names[] = {
"inactive_anon",
"active_anon",
"inactive_file",
* counted as CACHE even if it's on ANON LRU.
*/
if (PageAnon(page))
- __this_cpu_add(memcg->stat->count[MEM_CGROUP_STAT_RSS],
- nr_pages);
+ __this_cpu_add(memcg->stat->count[MEMCG_RSS], nr_pages);
else {
- __this_cpu_add(memcg->stat->count[MEM_CGROUP_STAT_CACHE],
- nr_pages);
+ __this_cpu_add(memcg->stat->count[MEMCG_CACHE], nr_pages);
if (PageSwapBacked(page))
- __this_cpu_add(memcg->stat->count[MEM_CGROUP_STAT_SHMEM],
- nr_pages);
+ __this_cpu_add(memcg->stat->count[NR_SHMEM], nr_pages);
}
if (compound) {
VM_BUG_ON_PAGE(!PageTransHuge(page), page);
- __this_cpu_add(memcg->stat->count[MEM_CGROUP_STAT_RSS_HUGE],
- nr_pages);
+ __this_cpu_add(memcg->stat->count[MEMCG_RSS_HUGE], nr_pages);
}
/* pagein of a big page is an event. So, ignore page size */
return false;
}
+unsigned int memcg1_stats[] = {
+ MEMCG_CACHE,
+ MEMCG_RSS,
+ MEMCG_RSS_HUGE,
+ NR_SHMEM,
+ NR_FILE_MAPPED,
+ NR_FILE_DIRTY,
+ NR_WRITEBACK,
+ MEMCG_SWAP,
+};
+
+static const char *const memcg1_stat_names[] = {
+ "cache",
+ "rss",
+ "rss_huge",
+ "shmem",
+ "mapped_file",
+ "dirty",
+ "writeback",
+ "swap",
+};
+
#define K(x) ((x) << (PAGE_SHIFT-10))
/**
* mem_cgroup_print_oom_info: Print OOM information relevant to memory controller.
pr_cont_cgroup_path(iter->css.cgroup);
pr_cont(":");
- for (i = 0; i < MEM_CGROUP_STAT_NSTATS; i++) {
- if (i == MEM_CGROUP_STAT_SWAP && !do_swap_account)
+ for (i = 0; i < ARRAY_SIZE(memcg1_stats); i++) {
+ if (memcg1_stats[i] == MEMCG_SWAP && !do_swap_account)
continue;
- pr_cont(" %s:%luKB", mem_cgroup_stat_names[i],
- K(mem_cgroup_read_stat(iter, i)));
+ pr_cont(" %s:%luKB", memcg1_stat_names[i],
+ K(mem_cgroup_read_stat(iter, memcg1_stats[i])));
}
for (i = 0; i < NR_LRU_LISTS; i++)
for (i = 1; i < HPAGE_PMD_NR; i++)
head[i].mem_cgroup = head->mem_cgroup;
- __this_cpu_sub(head->mem_cgroup->stat->count[MEM_CGROUP_STAT_RSS_HUGE],
+ __this_cpu_sub(head->mem_cgroup->stat->count[MEMCG_RSS_HUGE],
HPAGE_PMD_NR);
}
#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
bool charge)
{
int val = (charge) ? 1 : -1;
- this_cpu_add(memcg->stat->count[MEM_CGROUP_STAT_SWAP], val);
+ this_cpu_add(memcg->stat->count[MEMCG_SWAP], val);
}
/**
struct mem_cgroup *iter;
for_each_mem_cgroup_tree(iter, memcg) {
- val += mem_cgroup_read_stat(iter,
- MEM_CGROUP_STAT_CACHE);
- val += mem_cgroup_read_stat(iter,
- MEM_CGROUP_STAT_RSS);
+ val += mem_cgroup_read_stat(iter, MEMCG_CACHE);
+ val += mem_cgroup_read_stat(iter, MEMCG_RSS);
if (swap)
- val += mem_cgroup_read_stat(iter,
- MEM_CGROUP_STAT_SWAP);
+ val += mem_cgroup_read_stat(iter, MEMCG_SWAP);
}
} else {
if (!swap)
struct mem_cgroup *mi;
unsigned int i;
- BUILD_BUG_ON(ARRAY_SIZE(mem_cgroup_stat_names) !=
- MEM_CGROUP_STAT_NSTATS);
+ BUILD_BUG_ON(ARRAY_SIZE(memcg1_stat_names) != ARRAY_SIZE(memcg1_stats));
BUILD_BUG_ON(ARRAY_SIZE(mem_cgroup_lru_names) != NR_LRU_LISTS);
- for (i = 0; i < MEM_CGROUP_STAT_NSTATS; i++) {
- if (i == MEM_CGROUP_STAT_SWAP && !do_memsw_account())
+ for (i = 0; i < ARRAY_SIZE(memcg1_stats); i++) {
+ if (memcg1_stats[i] == MEMCG_SWAP && !do_memsw_account())
continue;
- seq_printf(m, "%s %lu\n", mem_cgroup_stat_names[i],
- mem_cgroup_read_stat(memcg, i) * PAGE_SIZE);
+ seq_printf(m, "%s %lu\n", memcg1_stat_names[i],
+ mem_cgroup_read_stat(memcg, memcg1_stats[i]) *
+ PAGE_SIZE);
}
for (i = 0; i < ARRAY_SIZE(memcg1_events); i++)
seq_printf(m, "hierarchical_memsw_limit %llu\n",
(u64)memsw * PAGE_SIZE);
- for (i = 0; i < MEM_CGROUP_STAT_NSTATS; i++) {
+ for (i = 0; i < ARRAY_SIZE(memcg1_stats); i++) {
unsigned long long val = 0;
- if (i == MEM_CGROUP_STAT_SWAP && !do_memsw_account())
+ if (memcg1_stats[i] == MEMCG_SWAP && !do_memsw_account())
continue;
for_each_mem_cgroup_tree(mi, memcg)
- val += mem_cgroup_read_stat(mi, i) * PAGE_SIZE;
- seq_printf(m, "total_%s %llu\n", mem_cgroup_stat_names[i], val);
+ val += mem_cgroup_read_stat(mi, memcg1_stats[i]) *
+ PAGE_SIZE;
+ seq_printf(m, "total_%s %llu\n", memcg1_stat_names[i], val);
}
for (i = 0; i < ARRAY_SIZE(memcg1_events); i++) {
struct mem_cgroup *memcg = mem_cgroup_from_css(wb->memcg_css);
struct mem_cgroup *parent;
- *pdirty = mem_cgroup_read_stat(memcg, MEM_CGROUP_STAT_DIRTY);
+ *pdirty = mem_cgroup_read_stat(memcg, NR_FILE_DIRTY);
/* this should eventually include NR_UNSTABLE_NFS */
- *pwriteback = mem_cgroup_read_stat(memcg, MEM_CGROUP_STAT_WRITEBACK);
+ *pwriteback = mem_cgroup_read_stat(memcg, NR_WRITEBACK);
*pfilepages = mem_cgroup_nr_lru_pages(memcg, (1 << LRU_INACTIVE_FILE) |
(1 << LRU_ACTIVE_FILE));
*pheadroom = PAGE_COUNTER_MAX;
spin_lock_irqsave(&from->move_lock, flags);
if (!anon && page_mapped(page)) {
- __this_cpu_sub(from->stat->count[MEM_CGROUP_STAT_FILE_MAPPED],
- nr_pages);
- __this_cpu_add(to->stat->count[MEM_CGROUP_STAT_FILE_MAPPED],
- nr_pages);
+ __this_cpu_sub(from->stat->count[NR_FILE_MAPPED], nr_pages);
+ __this_cpu_add(to->stat->count[NR_FILE_MAPPED], nr_pages);
}
/*
struct address_space *mapping = page_mapping(page);
if (mapping_cap_account_dirty(mapping)) {
- __this_cpu_sub(from->stat->count[MEM_CGROUP_STAT_DIRTY],
+ __this_cpu_sub(from->stat->count[NR_FILE_DIRTY],
nr_pages);
- __this_cpu_add(to->stat->count[MEM_CGROUP_STAT_DIRTY],
+ __this_cpu_add(to->stat->count[NR_FILE_DIRTY],
nr_pages);
}
}
if (PageWriteback(page)) {
- __this_cpu_sub(from->stat->count[MEM_CGROUP_STAT_WRITEBACK],
- nr_pages);
- __this_cpu_add(to->stat->count[MEM_CGROUP_STAT_WRITEBACK],
- nr_pages);
+ __this_cpu_sub(from->stat->count[NR_WRITEBACK], nr_pages);
+ __this_cpu_add(to->stat->count[NR_WRITEBACK], nr_pages);
}
/*
tree_events(memcg, events);
seq_printf(m, "anon %llu\n",
- (u64)stat[MEM_CGROUP_STAT_RSS] * PAGE_SIZE);
+ (u64)stat[MEMCG_RSS] * PAGE_SIZE);
seq_printf(m, "file %llu\n",
- (u64)stat[MEM_CGROUP_STAT_CACHE] * PAGE_SIZE);
+ (u64)stat[MEMCG_CACHE] * PAGE_SIZE);
seq_printf(m, "kernel_stack %llu\n",
(u64)stat[MEMCG_KERNEL_STACK_KB] * 1024);
seq_printf(m, "slab %llu\n",
(u64)stat[MEMCG_SOCK] * PAGE_SIZE);
seq_printf(m, "shmem %llu\n",
- (u64)stat[MEM_CGROUP_STAT_SHMEM] * PAGE_SIZE);
+ (u64)stat[NR_SHMEM] * PAGE_SIZE);
seq_printf(m, "file_mapped %llu\n",
- (u64)stat[MEM_CGROUP_STAT_FILE_MAPPED] * PAGE_SIZE);
+ (u64)stat[NR_FILE_MAPPED] * PAGE_SIZE);
seq_printf(m, "file_dirty %llu\n",
- (u64)stat[MEM_CGROUP_STAT_DIRTY] * PAGE_SIZE);
+ (u64)stat[NR_FILE_DIRTY] * PAGE_SIZE);
seq_printf(m, "file_writeback %llu\n",
- (u64)stat[MEM_CGROUP_STAT_WRITEBACK] * PAGE_SIZE);
+ (u64)stat[NR_WRITEBACK] * PAGE_SIZE);
for (i = 0; i < NR_LRU_LISTS; i++) {
struct mem_cgroup *mi;
seq_printf(m, "pgmajfault %lu\n", events[PGMAJFAULT]);
seq_printf(m, "workingset_refault %lu\n",
- stat[MEMCG_WORKINGSET_REFAULT]);
+ stat[WORKINGSET_REFAULT]);
seq_printf(m, "workingset_activate %lu\n",
- stat[MEMCG_WORKINGSET_ACTIVATE]);
+ stat[WORKINGSET_ACTIVATE]);
seq_printf(m, "workingset_nodereclaim %lu\n",
- stat[MEMCG_WORKINGSET_NODERECLAIM]);
+ stat[WORKINGSET_NODERECLAIM]);
return 0;
}
}
local_irq_save(flags);
- __this_cpu_sub(memcg->stat->count[MEM_CGROUP_STAT_RSS], nr_anon);
- __this_cpu_sub(memcg->stat->count[MEM_CGROUP_STAT_CACHE], nr_file);
- __this_cpu_sub(memcg->stat->count[MEM_CGROUP_STAT_RSS_HUGE], nr_huge);
- __this_cpu_sub(memcg->stat->count[MEM_CGROUP_STAT_SHMEM], nr_shmem);
+ __this_cpu_sub(memcg->stat->count[MEMCG_RSS], nr_anon);
+ __this_cpu_sub(memcg->stat->count[MEMCG_CACHE], nr_file);
+ __this_cpu_sub(memcg->stat->count[MEMCG_RSS_HUGE], nr_huge);
+ __this_cpu_sub(memcg->stat->count[NR_SHMEM], nr_shmem);
__this_cpu_add(memcg->stat->events[PGPGOUT], pgpgout);
__this_cpu_add(memcg->stat->nr_page_events, nr_pages);
memcg_check_events(memcg, dummy_page);
inode_attach_wb(inode, page);
wb = inode_to_wb(inode);
- mem_cgroup_inc_page_stat(page, MEM_CGROUP_STAT_DIRTY);
+ mem_cgroup_inc_page_stat(page, NR_FILE_DIRTY);
__inc_node_page_state(page, NR_FILE_DIRTY);
__inc_zone_page_state(page, NR_ZONE_WRITE_PENDING);
__inc_node_page_state(page, NR_DIRTIED);
struct bdi_writeback *wb)
{
if (mapping_cap_account_dirty(mapping)) {
- mem_cgroup_dec_page_stat(page, MEM_CGROUP_STAT_DIRTY);
+ mem_cgroup_dec_page_stat(page, NR_FILE_DIRTY);
dec_node_page_state(page, NR_FILE_DIRTY);
dec_zone_page_state(page, NR_ZONE_WRITE_PENDING);
dec_wb_stat(wb, WB_RECLAIMABLE);
*/
wb = unlocked_inode_to_wb_begin(inode, &locked);
if (TestClearPageDirty(page)) {
- mem_cgroup_dec_page_stat(page, MEM_CGROUP_STAT_DIRTY);
+ mem_cgroup_dec_page_stat(page, NR_FILE_DIRTY);
dec_node_page_state(page, NR_FILE_DIRTY);
dec_zone_page_state(page, NR_ZONE_WRITE_PENDING);
dec_wb_stat(wb, WB_RECLAIMABLE);
ret = TestClearPageWriteback(page);
}
if (ret) {
- mem_cgroup_dec_page_stat(page, MEM_CGROUP_STAT_WRITEBACK);
+ mem_cgroup_dec_page_stat(page, NR_WRITEBACK);
dec_node_page_state(page, NR_WRITEBACK);
dec_zone_page_state(page, NR_ZONE_WRITE_PENDING);
inc_node_page_state(page, NR_WRITTEN);
ret = TestSetPageWriteback(page);
}
if (!ret) {
- mem_cgroup_inc_page_stat(page, MEM_CGROUP_STAT_WRITEBACK);
+ mem_cgroup_inc_page_stat(page, NR_WRITEBACK);
inc_node_page_state(page, NR_WRITEBACK);
inc_zone_page_state(page, NR_ZONE_WRITE_PENDING);
}
goto out;
}
__mod_node_page_state(page_pgdat(page), NR_FILE_MAPPED, nr);
- mem_cgroup_update_page_stat(page, MEM_CGROUP_STAT_FILE_MAPPED, nr);
+ mem_cgroup_update_page_stat(page, NR_FILE_MAPPED, nr);
out:
unlock_page_memcg(page);
}
* pte lock(a spinlock) is held, which implies preemption disabled.
*/
__mod_node_page_state(page_pgdat(page), NR_FILE_MAPPED, -nr);
- mem_cgroup_update_page_stat(page, MEM_CGROUP_STAT_FILE_MAPPED, -nr);
+ mem_cgroup_update_page_stat(page, NR_FILE_MAPPED, -nr);
if (unlikely(PageMlocked(page)))
clear_page_mlock(page);
active = lruvec_lru_size(lruvec, active_lru, sc->reclaim_idx);
if (memcg)
- refaults = mem_cgroup_read_stat(memcg,
- MEMCG_WORKINGSET_ACTIVATE);
+ refaults = mem_cgroup_read_stat(memcg, WORKINGSET_ACTIVATE);
else
refaults = node_page_state(pgdat, WORKINGSET_ACTIVATE);
if (memcg)
refaults = mem_cgroup_read_stat(memcg,
- MEMCG_WORKINGSET_ACTIVATE);
+ WORKINGSET_ACTIVATE);
else
refaults = node_page_state(pgdat, WORKINGSET_ACTIVATE);
refault_distance = (refault - eviction) & EVICTION_MASK;
inc_node_state(pgdat, WORKINGSET_REFAULT);
- mem_cgroup_inc_stat(memcg, MEMCG_WORKINGSET_REFAULT);
+ mem_cgroup_inc_stat(memcg, WORKINGSET_REFAULT);
if (refault_distance <= active_file) {
inc_node_state(pgdat, WORKINGSET_ACTIVATE);
- mem_cgroup_inc_stat(memcg, MEMCG_WORKINGSET_ACTIVATE);
+ mem_cgroup_inc_stat(memcg, WORKINGSET_ACTIVATE);
rcu_read_unlock();
return true;
}
if (WARN_ON_ONCE(node->exceptional))
goto out_invalid;
inc_node_state(page_pgdat(virt_to_page(node)), WORKINGSET_NODERECLAIM);
- mem_cgroup_inc_page_stat(virt_to_page(node),
- MEMCG_WORKINGSET_NODERECLAIM);
+ mem_cgroup_inc_page_stat(virt_to_page(node), WORKINGSET_NODERECLAIM);
__radix_tree_delete_node(&mapping->page_tree, node,
workingset_update_node, mapping);
projects / karo-tx-linux.git / commitdiff