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authorMel Gorman2016-07-28 15:46:05 -0700
committerLinus Torvalds2016-07-28 16:07:41 -0700
commitef8f2327996b5c20f11420f64e439e87c7a01604 (patch)
tree0ea9bf78d88e1207005fc5310fe812d1edb0efc2 /mm
parenta9dd0a83104c01269ea36a9b4ec42b51edf85427 (diff)
mm, memcg: move memcg limit enforcement from zones to nodes
Memcg needs adjustment after moving LRUs to the node. Limits are tracked per memcg but the soft-limit excess is tracked per zone. As global page reclaim is based on the node, it is easy to imagine a situation where a zone soft limit is exceeded even though the memcg limit is fine. This patch moves the soft limit tree the node. Technically, all the variable names should also change but people are already familiar by the meaning of "mz" even if "mn" would be a more appropriate name now. Link: http://lkml.kernel.org/r/1467970510-21195-15-git-send-email-mgorman@techsingularity.net Signed-off-by: Mel Gorman <mgorman@techsingularity.net> Acked-by: Michal Hocko <mhocko@suse.com> Cc: Hillf Danton <hillf.zj@alibaba-inc.com> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Minchan Kim <minchan@kernel.org> Cc: Rik van Riel <riel@surriel.com> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/memcontrol.c190
-rw-r--r--mm/vmscan.c19
-rw-r--r--mm/workingset.c6
3 files changed, 95 insertions, 120 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index c9ebec98e92a..9cbd40ebccd1 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -132,15 +132,11 @@ static const char * const mem_cgroup_lru_names[] = {
* their hierarchy representation
*/
-struct mem_cgroup_tree_per_zone {
+struct mem_cgroup_tree_per_node {
struct rb_root rb_root;
spinlock_t lock;
};
-struct mem_cgroup_tree_per_node {
- struct mem_cgroup_tree_per_zone rb_tree_per_zone[MAX_NR_ZONES];
-};
-
struct mem_cgroup_tree {
struct mem_cgroup_tree_per_node *rb_tree_per_node[MAX_NUMNODES];
};
@@ -374,37 +370,35 @@ ino_t page_cgroup_ino(struct page *page)
return ino;
}
-static struct mem_cgroup_per_zone *
-mem_cgroup_page_zoneinfo(struct mem_cgroup *memcg, struct page *page)
+static struct mem_cgroup_per_node *
+mem_cgroup_page_nodeinfo(struct mem_cgroup *memcg, struct page *page)
{
int nid = page_to_nid(page);
- int zid = page_zonenum(page);
- return &memcg->nodeinfo[nid]->zoneinfo[zid];
+ return memcg->nodeinfo[nid];
}
-static struct mem_cgroup_tree_per_zone *
-soft_limit_tree_node_zone(int nid, int zid)
+static struct mem_cgroup_tree_per_node *
+soft_limit_tree_node(int nid)
{
- return &soft_limit_tree.rb_tree_per_node[nid]->rb_tree_per_zone[zid];
+ return soft_limit_tree.rb_tree_per_node[nid];
}
-static struct mem_cgroup_tree_per_zone *
+static struct mem_cgroup_tree_per_node *
soft_limit_tree_from_page(struct page *page)
{
int nid = page_to_nid(page);
- int zid = page_zonenum(page);
- return &soft_limit_tree.rb_tree_per_node[nid]->rb_tree_per_zone[zid];
+ return soft_limit_tree.rb_tree_per_node[nid];
}
-static void __mem_cgroup_insert_exceeded(struct mem_cgroup_per_zone *mz,
- struct mem_cgroup_tree_per_zone *mctz,
+static void __mem_cgroup_insert_exceeded(struct mem_cgroup_per_node *mz,
+ struct mem_cgroup_tree_per_node *mctz,
unsigned long new_usage_in_excess)
{
struct rb_node **p = &mctz->rb_root.rb_node;
struct rb_node *parent = NULL;
- struct mem_cgroup_per_zone *mz_node;
+ struct mem_cgroup_per_node *mz_node;
if (mz->on_tree)
return;
@@ -414,7 +408,7 @@ static void __mem_cgroup_insert_exceeded(struct mem_cgroup_per_zone *mz,
return;
while (*p) {
parent = *p;
- mz_node = rb_entry(parent, struct mem_cgroup_per_zone,
+ mz_node = rb_entry(parent, struct mem_cgroup_per_node,
tree_node);
if (mz->usage_in_excess < mz_node->usage_in_excess)
p = &(*p)->rb_left;
@@ -430,8 +424,8 @@ static void __mem_cgroup_insert_exceeded(struct mem_cgroup_per_zone *mz,
mz->on_tree = true;
}
-static void __mem_cgroup_remove_exceeded(struct mem_cgroup_per_zone *mz,
- struct mem_cgroup_tree_per_zone *mctz)
+static void __mem_cgroup_remove_exceeded(struct mem_cgroup_per_node *mz,
+ struct mem_cgroup_tree_per_node *mctz)
{
if (!mz->on_tree)
return;
@@ -439,8 +433,8 @@ static void __mem_cgroup_remove_exceeded(struct mem_cgroup_per_zone *mz,
mz->on_tree = false;
}
-static void mem_cgroup_remove_exceeded(struct mem_cgroup_per_zone *mz,
- struct mem_cgroup_tree_per_zone *mctz)
+static void mem_cgroup_remove_exceeded(struct mem_cgroup_per_node *mz,
+ struct mem_cgroup_tree_per_node *mctz)
{
unsigned long flags;
@@ -464,8 +458,8 @@ static unsigned long soft_limit_excess(struct mem_cgroup *memcg)
static void mem_cgroup_update_tree(struct mem_cgroup *memcg, struct page *page)
{
unsigned long excess;
- struct mem_cgroup_per_zone *mz;
- struct mem_cgroup_tree_per_zone *mctz;
+ struct mem_cgroup_per_node *mz;
+ struct mem_cgroup_tree_per_node *mctz;
mctz = soft_limit_tree_from_page(page);
/*
@@ -473,7 +467,7 @@ static void mem_cgroup_update_tree(struct mem_cgroup *memcg, struct page *page)
* because their event counter is not touched.
*/
for (; memcg; memcg = parent_mem_cgroup(memcg)) {
- mz = mem_cgroup_page_zoneinfo(memcg, page);
+ mz = mem_cgroup_page_nodeinfo(memcg, page);
excess = soft_limit_excess(memcg);
/*
* We have to update the tree if mz is on RB-tree or
@@ -498,24 +492,22 @@ static void mem_cgroup_update_tree(struct mem_cgroup *memcg, struct page *page)
static void mem_cgroup_remove_from_trees(struct mem_cgroup *memcg)
{
- struct mem_cgroup_tree_per_zone *mctz;
- struct mem_cgroup_per_zone *mz;
- int nid, zid;
+ struct mem_cgroup_tree_per_node *mctz;
+ struct mem_cgroup_per_node *mz;
+ int nid;
for_each_node(nid) {
- for (zid = 0; zid < MAX_NR_ZONES; zid++) {
- mz = &memcg->nodeinfo[nid]->zoneinfo[zid];
- mctz = soft_limit_tree_node_zone(nid, zid);
- mem_cgroup_remove_exceeded(mz, mctz);
- }
+ mz = mem_cgroup_nodeinfo(memcg, nid);
+ mctz = soft_limit_tree_node(nid);
+ mem_cgroup_remove_exceeded(mz, mctz);
}
}
-static struct mem_cgroup_per_zone *
-__mem_cgroup_largest_soft_limit_node(struct mem_cgroup_tree_per_zone *mctz)
+static struct mem_cgroup_per_node *
+__mem_cgroup_largest_soft_limit_node(struct mem_cgroup_tree_per_node *mctz)
{
struct rb_node *rightmost = NULL;
- struct mem_cgroup_per_zone *mz;
+ struct mem_cgroup_per_node *mz;
retry:
mz = NULL;
@@ -523,7 +515,7 @@ retry:
if (!rightmost)
goto done; /* Nothing to reclaim from */
- mz = rb_entry(rightmost, struct mem_cgroup_per_zone, tree_node);
+ mz = rb_entry(rightmost, struct mem_cgroup_per_node, tree_node);
/*
* Remove the node now but someone else can add it back,
* we will to add it back at the end of reclaim to its correct
@@ -537,10 +529,10 @@ done:
return mz;
}
-static struct mem_cgroup_per_zone *
-mem_cgroup_largest_soft_limit_node(struct mem_cgroup_tree_per_zone *mctz)
+static struct mem_cgroup_per_node *
+mem_cgroup_largest_soft_limit_node(struct mem_cgroup_tree_per_node *mctz)
{
- struct mem_cgroup_per_zone *mz;
+ struct mem_cgroup_per_node *mz;
spin_lock_irq(&mctz->lock);
mz = __mem_cgroup_largest_soft_limit_node(mctz);
@@ -634,20 +626,16 @@ unsigned long mem_cgroup_node_nr_lru_pages(struct mem_cgroup *memcg,
int nid, unsigned int lru_mask)
{
unsigned long nr = 0;
- int zid;
+ struct mem_cgroup_per_node *mz;
+ enum lru_list lru;
VM_BUG_ON((unsigned)nid >= nr_node_ids);
- for (zid = 0; zid < MAX_NR_ZONES; zid++) {
- struct mem_cgroup_per_zone *mz;
- enum lru_list lru;
-
- for_each_lru(lru) {
- if (!(BIT(lru) & lru_mask))
- continue;
- mz = &memcg->nodeinfo[nid]->zoneinfo[zid];
- nr += mz->lru_size[lru];
- }
+ for_each_lru(lru) {
+ if (!(BIT(lru) & lru_mask))
+ continue;
+ mz = mem_cgroup_nodeinfo(memcg, nid);
+ nr += mz->lru_size[lru];
}
return nr;
}
@@ -800,9 +788,9 @@ struct mem_cgroup *mem_cgroup_iter(struct mem_cgroup *root,
rcu_read_lock();
if (reclaim) {
- struct mem_cgroup_per_zone *mz;
+ struct mem_cgroup_per_node *mz;
- mz = mem_cgroup_zone_zoneinfo(root, reclaim->zone);
+ mz = mem_cgroup_nodeinfo(root, reclaim->pgdat->node_id);
iter = &mz->iter[reclaim->priority];
if (prev && reclaim->generation != iter->generation)
@@ -901,19 +889,17 @@ static void invalidate_reclaim_iterators(struct mem_cgroup *dead_memcg)
{
struct mem_cgroup *memcg = dead_memcg;
struct mem_cgroup_reclaim_iter *iter;
- struct mem_cgroup_per_zone *mz;
- int nid, zid;
+ struct mem_cgroup_per_node *mz;
+ int nid;
int i;
while ((memcg = parent_mem_cgroup(memcg))) {
for_each_node(nid) {
- for (zid = 0; zid < MAX_NR_ZONES; zid++) {
- mz = &memcg->nodeinfo[nid]->zoneinfo[zid];
- for (i = 0; i <= DEF_PRIORITY; i++) {
- iter = &mz->iter[i];
- cmpxchg(&iter->position,
- dead_memcg, NULL);
- }
+ mz = mem_cgroup_nodeinfo(memcg, nid);
+ for (i = 0; i <= DEF_PRIORITY; i++) {
+ iter = &mz->iter[i];
+ cmpxchg(&iter->position,
+ dead_memcg, NULL);
}
}
}
@@ -945,7 +931,7 @@ static void invalidate_reclaim_iterators(struct mem_cgroup *dead_memcg)
*/
struct lruvec *mem_cgroup_page_lruvec(struct page *page, struct pglist_data *pgdat)
{
- struct mem_cgroup_per_zone *mz;
+ struct mem_cgroup_per_node *mz;
struct mem_cgroup *memcg;
struct lruvec *lruvec;
@@ -962,7 +948,7 @@ struct lruvec *mem_cgroup_page_lruvec(struct page *page, struct pglist_data *pgd
if (!memcg)
memcg = root_mem_cgroup;
- mz = mem_cgroup_page_zoneinfo(memcg, page);
+ mz = mem_cgroup_page_nodeinfo(memcg, page);
lruvec = &mz->lruvec;
out:
/*
@@ -989,7 +975,7 @@ out:
void mem_cgroup_update_lru_size(struct lruvec *lruvec, enum lru_list lru,
enum zone_type zid, int nr_pages)
{
- struct mem_cgroup_per_zone *mz;
+ struct mem_cgroup_per_node *mz;
unsigned long *lru_size;
long size;
bool empty;
@@ -999,7 +985,7 @@ void mem_cgroup_update_lru_size(struct lruvec *lruvec, enum lru_list lru,
if (mem_cgroup_disabled())
return;
- mz = container_of(lruvec, struct mem_cgroup_per_zone, lruvec);
+ mz = container_of(lruvec, struct mem_cgroup_per_node, lruvec);
lru_size = mz->lru_size + lru;
empty = list_empty(lruvec->lists + lru);
@@ -1392,7 +1378,7 @@ int mem_cgroup_select_victim_node(struct mem_cgroup *memcg)
#endif
static int mem_cgroup_soft_reclaim(struct mem_cgroup *root_memcg,
- struct zone *zone,
+ pg_data_t *pgdat,
gfp_t gfp_mask,
unsigned long *total_scanned)
{
@@ -1402,7 +1388,7 @@ static int mem_cgroup_soft_reclaim(struct mem_cgroup *root_memcg,
unsigned long excess;
unsigned long nr_scanned;
struct mem_cgroup_reclaim_cookie reclaim = {
- .zone = zone,
+ .pgdat = pgdat,
.priority = 0,
};
@@ -1433,7 +1419,7 @@ static int mem_cgroup_soft_reclaim(struct mem_cgroup *root_memcg,
continue;
}
total += mem_cgroup_shrink_node(victim, gfp_mask, false,
- zone, &nr_scanned);
+ pgdat, &nr_scanned);
*total_scanned += nr_scanned;
if (!soft_limit_excess(root_memcg))
break;
@@ -2560,22 +2546,22 @@ static int mem_cgroup_resize_memsw_limit(struct mem_cgroup *memcg,
return ret;
}
-unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order,
+unsigned long mem_cgroup_soft_limit_reclaim(pg_data_t *pgdat, int order,
gfp_t gfp_mask,
unsigned long *total_scanned)
{
unsigned long nr_reclaimed = 0;
- struct mem_cgroup_per_zone *mz, *next_mz = NULL;
+ struct mem_cgroup_per_node *mz, *next_mz = NULL;
unsigned long reclaimed;
int loop = 0;
- struct mem_cgroup_tree_per_zone *mctz;
+ struct mem_cgroup_tree_per_node *mctz;
unsigned long excess;
unsigned long nr_scanned;
if (order > 0)
return 0;
- mctz = soft_limit_tree_node_zone(zone_to_nid(zone), zone_idx(zone));
+ mctz = soft_limit_tree_node(pgdat->node_id);
/*
* This loop can run a while, specially if mem_cgroup's continuously
* keep exceeding their soft limit and putting the system under
@@ -2590,7 +2576,7 @@ unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order,
break;
nr_scanned = 0;
- reclaimed = mem_cgroup_soft_reclaim(mz->memcg, zone,
+ reclaimed = mem_cgroup_soft_reclaim(mz->memcg, pgdat,
gfp_mask, &nr_scanned);
nr_reclaimed += reclaimed;
*total_scanned += nr_scanned;
@@ -3211,22 +3197,21 @@ static int memcg_stat_show(struct seq_file *m, void *v)
#ifdef CONFIG_DEBUG_VM
{
- int nid, zid;
- struct mem_cgroup_per_zone *mz;
+ pg_data_t *pgdat;
+ struct mem_cgroup_per_node *mz;
struct zone_reclaim_stat *rstat;
unsigned long recent_rotated[2] = {0, 0};
unsigned long recent_scanned[2] = {0, 0};
- for_each_online_node(nid)
- for (zid = 0; zid < MAX_NR_ZONES; zid++) {
- mz = &memcg->nodeinfo[nid]->zoneinfo[zid];
- rstat = &mz->lruvec.reclaim_stat;
+ for_each_online_pgdat(pgdat) {
+ mz = mem_cgroup_nodeinfo(memcg, pgdat->node_id);
+ rstat = &mz->lruvec.reclaim_stat;
- recent_rotated[0] += rstat->recent_rotated[0];
- recent_rotated[1] += rstat->recent_rotated[1];
- recent_scanned[0] += rstat->recent_scanned[0];
- recent_scanned[1] += rstat->recent_scanned[1];
- }
+ recent_rotated[0] += rstat->recent_rotated[0];
+ recent_rotated[1] += rstat->recent_rotated[1];
+ recent_scanned[0] += rstat->recent_scanned[0];
+ recent_scanned[1] += rstat->recent_scanned[1];
+ }
seq_printf(m, "recent_rotated_anon %lu\n", recent_rotated[0]);
seq_printf(m, "recent_rotated_file %lu\n", recent_rotated[1]);
seq_printf(m, "recent_scanned_anon %lu\n", recent_scanned[0]);
@@ -4106,11 +4091,10 @@ struct mem_cgroup *mem_cgroup_from_id(unsigned short id)
return idr_find(&mem_cgroup_idr, id);
}
-static int alloc_mem_cgroup_per_zone_info(struct mem_cgroup *memcg, int node)
+static int alloc_mem_cgroup_per_node_info(struct mem_cgroup *memcg, int node)
{
struct mem_cgroup_per_node *pn;
- struct mem_cgroup_per_zone *mz;
- int zone, tmp = node;
+ int tmp = node;
/*
* This routine is called against possible nodes.
* But it's BUG to call kmalloc() against offline node.
@@ -4125,18 +4109,16 @@ static int alloc_mem_cgroup_per_zone_info(struct mem_cgroup *memcg, int node)
if (!pn)
return 1;
- for (zone = 0; zone < MAX_NR_ZONES; zone++) {
- mz = &pn->zoneinfo[zone];
- lruvec_init(&mz->lruvec);
- mz->usage_in_excess = 0;
- mz->on_tree = false;
- mz->memcg = memcg;
- }
+ lruvec_init(&pn->lruvec);
+ pn->usage_in_excess = 0;
+ pn->on_tree = false;
+ pn->memcg = memcg;
+
memcg->nodeinfo[node] = pn;
return 0;
}
-static void free_mem_cgroup_per_zone_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]);
}
@@ -4147,7 +4129,7 @@ static void mem_cgroup_free(struct mem_cgroup *memcg)
memcg_wb_domain_exit(memcg);
for_each_node(node)
- free_mem_cgroup_per_zone_info(memcg, node);
+ free_mem_cgroup_per_node_info(memcg, node);
free_percpu(memcg->stat);
kfree(memcg);
}
@@ -4176,7 +4158,7 @@ static struct mem_cgroup *mem_cgroup_alloc(void)
goto fail;
for_each_node(node)
- if (alloc_mem_cgroup_per_zone_info(memcg, node))
+ if (alloc_mem_cgroup_per_node_info(memcg, node))
goto fail;
if (memcg_wb_domain_init(memcg, GFP_KERNEL))
@@ -5779,18 +5761,12 @@ static int __init mem_cgroup_init(void)
for_each_node(node) {
struct mem_cgroup_tree_per_node *rtpn;
- int zone;
rtpn = kzalloc_node(sizeof(*rtpn), GFP_KERNEL,
node_online(node) ? node : NUMA_NO_NODE);
- for (zone = 0; zone < MAX_NR_ZONES; zone++) {
- struct mem_cgroup_tree_per_zone *rtpz;
-
- rtpz = &rtpn->rb_tree_per_zone[zone];
- rtpz->rb_root = RB_ROOT;
- spin_lock_init(&rtpz->lock);
- }
+ rtpn->rb_root = RB_ROOT;
+ spin_lock_init(&rtpn->lock);
soft_limit_tree.rb_tree_per_node[node] = rtpn;
}
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 46f7a71ed13b..9f6e673efba7 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2229,8 +2229,7 @@ static inline void init_tlb_ubc(void)
static void shrink_node_memcg(struct pglist_data *pgdat, struct mem_cgroup *memcg,
struct scan_control *sc, unsigned long *lru_pages)
{
- struct zone *zone = &pgdat->node_zones[sc->reclaim_idx];
- struct lruvec *lruvec = mem_cgroup_lruvec(pgdat, zone, memcg);
+ struct lruvec *lruvec = mem_cgroup_lruvec(pgdat, memcg);
unsigned long nr[NR_LRU_LISTS];
unsigned long targets[NR_LRU_LISTS];
unsigned long nr_to_scan;
@@ -2439,7 +2438,7 @@ static bool shrink_node(pg_data_t *pgdat, struct scan_control *sc,
do {
struct mem_cgroup *root = sc->target_mem_cgroup;
struct mem_cgroup_reclaim_cookie reclaim = {
- .zone = &pgdat->node_zones[classzone_idx],
+ .pgdat = pgdat,
.priority = sc->priority,
};
unsigned long node_lru_pages = 0;
@@ -2647,7 +2646,7 @@ static void shrink_zones(struct zonelist *zonelist, struct scan_control *sc)
* and balancing, not for a memcg's limit.
*/
nr_soft_scanned = 0;
- nr_soft_reclaimed = mem_cgroup_soft_limit_reclaim(zone,
+ nr_soft_reclaimed = mem_cgroup_soft_limit_reclaim(zone->zone_pgdat,
sc->order, sc->gfp_mask,
&nr_soft_scanned);
sc->nr_reclaimed += nr_soft_reclaimed;
@@ -2917,7 +2916,7 @@ unsigned long try_to_free_pages(struct zonelist *zonelist, int order,
unsigned long mem_cgroup_shrink_node(struct mem_cgroup *memcg,
gfp_t gfp_mask, bool noswap,
- struct zone *zone,
+ pg_data_t *pgdat,
unsigned long *nr_scanned)
{
struct scan_control sc = {
@@ -2944,7 +2943,7 @@ unsigned long mem_cgroup_shrink_node(struct mem_cgroup *memcg,
* will pick up pages from other mem cgroup's as well. We hack
* the priority and make it zero.
*/
- shrink_node_memcg(zone->zone_pgdat, memcg, &sc, &lru_pages);
+ shrink_node_memcg(pgdat, memcg, &sc, &lru_pages);
trace_mm_vmscan_memcg_softlimit_reclaim_end(sc.nr_reclaimed);
@@ -2994,7 +2993,7 @@ unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *memcg,
#endif
static void age_active_anon(struct pglist_data *pgdat,
- struct zone *zone, struct scan_control *sc)
+ struct scan_control *sc)
{
struct mem_cgroup *memcg;
@@ -3003,7 +3002,7 @@ static void age_active_anon(struct pglist_data *pgdat,
memcg = mem_cgroup_iter(NULL, NULL, NULL);
do {
- struct lruvec *lruvec = mem_cgroup_lruvec(pgdat, zone, memcg);
+ struct lruvec *lruvec = mem_cgroup_lruvec(pgdat, memcg);
if (inactive_list_is_low(lruvec, false))
shrink_active_list(SWAP_CLUSTER_MAX, lruvec,
@@ -3193,7 +3192,7 @@ static int balance_pgdat(pg_data_t *pgdat, int order, int classzone_idx)
* pages are rotated regardless of classzone as this is
* about consistent aging.
*/
- age_active_anon(pgdat, &pgdat->node_zones[MAX_NR_ZONES - 1], &sc);
+ age_active_anon(pgdat, &sc);
/*
* If we're getting trouble reclaiming, start doing writepage
@@ -3205,7 +3204,7 @@ static int balance_pgdat(pg_data_t *pgdat, int order, int classzone_idx)
/* Call soft limit reclaim before calling shrink_node. */
sc.nr_scanned = 0;
nr_soft_scanned = 0;
- nr_soft_reclaimed = mem_cgroup_soft_limit_reclaim(zone, sc.order,
+ nr_soft_reclaimed = mem_cgroup_soft_limit_reclaim(pgdat, sc.order,
sc.gfp_mask, &nr_soft_scanned);
sc.nr_reclaimed += nr_soft_reclaimed;
diff --git a/mm/workingset.c b/mm/workingset.c
index df0dacaf54ee..2af14bb5a349 100644
--- a/mm/workingset.c
+++ b/mm/workingset.c
@@ -218,7 +218,7 @@ void *workingset_eviction(struct address_space *mapping, struct page *page)
VM_BUG_ON_PAGE(page_count(page), page);
VM_BUG_ON_PAGE(!PageLocked(page), page);
- lruvec = mem_cgroup_lruvec(zone->zone_pgdat, zone, memcg);
+ lruvec = mem_cgroup_lruvec(zone->zone_pgdat, memcg);
eviction = atomic_long_inc_return(&lruvec->inactive_age);
return pack_shadow(memcgid, zone, eviction);
}
@@ -267,7 +267,7 @@ bool workingset_refault(void *shadow)
rcu_read_unlock();
return false;
}
- lruvec = mem_cgroup_lruvec(zone->zone_pgdat, zone, memcg);
+ lruvec = mem_cgroup_lruvec(zone->zone_pgdat, memcg);
refault = atomic_long_read(&lruvec->inactive_age);
active_file = lruvec_lru_size(lruvec, LRU_ACTIVE_FILE);
rcu_read_unlock();
@@ -319,7 +319,7 @@ void workingset_activation(struct page *page)
memcg = page_memcg_rcu(page);
if (!mem_cgroup_disabled() && !memcg)
goto out;
- lruvec = mem_cgroup_lruvec(page_pgdat(page), page_zone(page), memcg);
+ lruvec = mem_cgroup_lruvec(page_pgdat(page), memcg);
atomic_long_inc(&lruvec->inactive_age);
out:
rcu_read_unlock();