diff options
| -rw-r--r-- | include/linux/memcontrol.h | 7 | ||||
| -rw-r--r-- | include/linux/mmzone.h | 6 | ||||
| -rw-r--r-- | mm/memcontrol.c | 176 | ||||
| -rw-r--r-- | mm/vmscan.c | 3 |
4 files changed, 60 insertions, 132 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 50940da6adf..affd5b19b86 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -111,8 +111,7 @@ int mem_cgroup_inactive_anon_is_low(struct mem_cgroup *memcg); int mem_cgroup_inactive_file_is_low(struct mem_cgroup *memcg); int mem_cgroup_select_victim_node(struct mem_cgroup *memcg); unsigned long mem_cgroup_zone_nr_lru_pages(struct mem_cgroup *memcg, - struct zone *zone, - enum lru_list lru); + int nid, int zid, unsigned int lrumask); struct zone_reclaim_stat *mem_cgroup_get_reclaim_stat(struct mem_cgroup *memcg, struct zone *zone); struct zone_reclaim_stat* @@ -313,8 +312,8 @@ mem_cgroup_inactive_file_is_low(struct mem_cgroup *memcg) } static inline unsigned long -mem_cgroup_zone_nr_lru_pages(struct mem_cgroup *memcg, struct zone *zone, - enum lru_list lru) +mem_cgroup_zone_nr_lru_pages(struct mem_cgroup *memcg, int nid, int zid, + unsigned int lru_mask) { return 0; } diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 9f7c3ebcbba..0a2d3d620fe 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -158,6 +158,12 @@ static inline int is_unevictable_lru(enum lru_list l) return (l == LRU_UNEVICTABLE); } +/* Mask used at gathering information at once (see memcontrol.c) */ +#define LRU_ALL_FILE (BIT(LRU_INACTIVE_FILE) | BIT(LRU_ACTIVE_FILE)) +#define LRU_ALL_ANON (BIT(LRU_INACTIVE_ANON) | BIT(LRU_ACTIVE_ANON)) +#define LRU_ALL_EVICTABLE (LRU_ALL_FILE | LRU_ALL_ANON) +#define LRU_ALL ((1 << NR_LRU_LISTS) - 1) + enum zone_watermarks { WMARK_MIN, WMARK_LOW, diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 506d116a7d3..85599662bd9 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -636,27 +636,44 @@ static void mem_cgroup_charge_statistics(struct mem_cgroup *mem, preempt_enable(); } -static unsigned long -mem_cgroup_get_zonestat_node(struct mem_cgroup *mem, int nid, enum lru_list idx) +unsigned long +mem_cgroup_zone_nr_lru_pages(struct mem_cgroup *mem, int nid, int zid, + unsigned int lru_mask) { struct mem_cgroup_per_zone *mz; + enum lru_list l; + unsigned long ret = 0; + + mz = mem_cgroup_zoneinfo(mem, nid, zid); + + for_each_lru(l) { + if (BIT(l) & lru_mask) + ret += MEM_CGROUP_ZSTAT(mz, l); + } + return ret; +} + +static unsigned long +mem_cgroup_node_nr_lru_pages(struct mem_cgroup *mem, + int nid, unsigned int lru_mask) +{ u64 total = 0; int zid; - for (zid = 0; zid < MAX_NR_ZONES; zid++) { - mz = mem_cgroup_zoneinfo(mem, nid, zid); - total += MEM_CGROUP_ZSTAT(mz, idx); - } + for (zid = 0; zid < MAX_NR_ZONES; zid++) + total += mem_cgroup_zone_nr_lru_pages(mem, nid, zid, lru_mask); + return total; } -static unsigned long mem_cgroup_get_local_zonestat(struct mem_cgroup *mem, - enum lru_list idx) + +static unsigned long mem_cgroup_nr_lru_pages(struct mem_cgroup *mem, + unsigned int lru_mask) { int nid; u64 total = 0; - for_each_online_node(nid) - total += mem_cgroup_get_zonestat_node(mem, nid, idx); + for_each_node_state(nid, N_HIGH_MEMORY) + total += mem_cgroup_node_nr_lru_pages(mem, nid, lru_mask); return total; } @@ -1077,8 +1094,8 @@ static int calc_inactive_ratio(struct mem_cgroup *memcg, unsigned long *present_ unsigned long gb; unsigned long inactive_ratio; - inactive = mem_cgroup_get_local_zonestat(memcg, LRU_INACTIVE_ANON); - active = mem_cgroup_get_local_zonestat(memcg, LRU_ACTIVE_ANON); + inactive = mem_cgroup_nr_lru_pages(memcg, BIT(LRU_INACTIVE_ANON)); + active = mem_cgroup_nr_lru_pages(memcg, BIT(LRU_ACTIVE_ANON)); gb = (inactive + active) >> (30 - PAGE_SHIFT); if (gb) @@ -1117,109 +1134,12 @@ int mem_cgroup_inactive_file_is_low(struct mem_cgroup *memcg) unsigned long active; unsigned long inactive; - inactive = mem_cgroup_get_local_zonestat(memcg, LRU_INACTIVE_FILE); - active = mem_cgroup_get_local_zonestat(memcg, LRU_ACTIVE_FILE); + inactive = mem_cgroup_nr_lru_pages(memcg, BIT(LRU_INACTIVE_FILE)); + active = mem_cgroup_nr_lru_pages(memcg, BIT(LRU_ACTIVE_FILE)); return (active > inactive); } -unsigned long mem_cgroup_zone_nr_lru_pages(struct mem_cgroup *memcg, - struct zone *zone, - enum lru_list lru) -{ - int nid = zone_to_nid(zone); - int zid = zone_idx(zone); - struct mem_cgroup_per_zone *mz = mem_cgroup_zoneinfo(memcg, nid, zid); - - return MEM_CGROUP_ZSTAT(mz, lru); -} - -static unsigned long mem_cgroup_node_nr_file_lru_pages(struct mem_cgroup *memcg, - int nid) -{ - unsigned long ret; - - ret = mem_cgroup_get_zonestat_node(memcg, nid, LRU_INACTIVE_FILE) + - mem_cgroup_get_zonestat_node(memcg, nid, LRU_ACTIVE_FILE); - - return ret; -} - -static unsigned long mem_cgroup_node_nr_anon_lru_pages(struct mem_cgroup *memcg, - int nid) -{ - unsigned long ret; - - ret = mem_cgroup_get_zonestat_node(memcg, nid, LRU_INACTIVE_ANON) + - mem_cgroup_get_zonestat_node(memcg, nid, LRU_ACTIVE_ANON); - return ret; -} - -#if MAX_NUMNODES > 1 -static unsigned long mem_cgroup_nr_file_lru_pages(struct mem_cgroup *memcg) -{ - u64 total = 0; - int nid; - - for_each_node_state(nid, N_HIGH_MEMORY) - total += mem_cgroup_node_nr_file_lru_pages(memcg, nid); - - return total; -} - -static unsigned long mem_cgroup_nr_anon_lru_pages(struct mem_cgroup *memcg) -{ - u64 total = 0; - int nid; - - for_each_node_state(nid, N_HIGH_MEMORY) - total += mem_cgroup_node_nr_anon_lru_pages(memcg, nid); - - return total; -} - -static unsigned long -mem_cgroup_node_nr_unevictable_lru_pages(struct mem_cgroup *memcg, int nid) -{ - return mem_cgroup_get_zonestat_node(memcg, nid, LRU_UNEVICTABLE); -} - -static unsigned long -mem_cgroup_nr_unevictable_lru_pages(struct mem_cgroup *memcg) -{ - u64 total = 0; - int nid; - - for_each_node_state(nid, N_HIGH_MEMORY) - total += mem_cgroup_node_nr_unevictable_lru_pages(memcg, nid); - - return total; -} - -static unsigned long mem_cgroup_node_nr_lru_pages(struct mem_cgroup *memcg, - int nid) -{ - enum lru_list l; - u64 total = 0; - - for_each_lru(l) - total += mem_cgroup_get_zonestat_node(memcg, nid, l); - - return total; -} - -static unsigned long mem_cgroup_nr_lru_pages(struct mem_cgroup *memcg) -{ - u64 total = 0; - int nid; - - for_each_node_state(nid, N_HIGH_MEMORY) - total += mem_cgroup_node_nr_lru_pages(memcg, nid); - - return total; -} -#endif /* CONFIG_NUMA */ - struct zone_reclaim_stat *mem_cgroup_get_reclaim_stat(struct mem_cgroup *memcg, struct zone *zone) { @@ -1576,11 +1496,11 @@ mem_cgroup_select_victim(struct mem_cgroup *root_mem) static bool test_mem_cgroup_node_reclaimable(struct mem_cgroup *mem, int nid, bool noswap) { - if (mem_cgroup_node_nr_file_lru_pages(mem, nid)) + if (mem_cgroup_node_nr_lru_pages(mem, nid, LRU_ALL_FILE)) return true; if (noswap || !total_swap_pages) return false; - if (mem_cgroup_node_nr_anon_lru_pages(mem, nid)) + if (mem_cgroup_node_nr_lru_pages(mem, nid, LRU_ALL_ANON)) return true; return false; @@ -4151,15 +4071,15 @@ mem_cgroup_get_local_stat(struct mem_cgroup *mem, struct mcs_total_stat *s) s->stat[MCS_PGMAJFAULT] += val; /* per zone stat */ - val = mem_cgroup_get_local_zonestat(mem, LRU_INACTIVE_ANON); + val = mem_cgroup_nr_lru_pages(mem, BIT(LRU_INACTIVE_ANON)); s->stat[MCS_INACTIVE_ANON] += val * PAGE_SIZE; - val = mem_cgroup_get_local_zonestat(mem, LRU_ACTIVE_ANON); + val = mem_cgroup_nr_lru_pages(mem, BIT(LRU_ACTIVE_ANON)); s->stat[MCS_ACTIVE_ANON] += val * PAGE_SIZE; - val = mem_cgroup_get_local_zonestat(mem, LRU_INACTIVE_FILE); + val = mem_cgroup_nr_lru_pages(mem, BIT(LRU_INACTIVE_FILE)); s->stat[MCS_INACTIVE_FILE] += val * PAGE_SIZE; - val = mem_cgroup_get_local_zonestat(mem, LRU_ACTIVE_FILE); + val = mem_cgroup_nr_lru_pages(mem, BIT(LRU_ACTIVE_FILE)); s->stat[MCS_ACTIVE_FILE] += val * PAGE_SIZE; - val = mem_cgroup_get_local_zonestat(mem, LRU_UNEVICTABLE); + val = mem_cgroup_nr_lru_pages(mem, BIT(LRU_UNEVICTABLE)); s->stat[MCS_UNEVICTABLE] += val * PAGE_SIZE; } @@ -4181,35 +4101,37 @@ static int mem_control_numa_stat_show(struct seq_file *m, void *arg) struct cgroup *cont = m->private; struct mem_cgroup *mem_cont = mem_cgroup_from_cont(cont); - total_nr = mem_cgroup_nr_lru_pages(mem_cont); + total_nr = mem_cgroup_nr_lru_pages(mem_cont, LRU_ALL); seq_printf(m, "total=%lu", total_nr); for_each_node_state(nid, N_HIGH_MEMORY) { - node_nr = mem_cgroup_node_nr_lru_pages(mem_cont, nid); + node_nr = mem_cgroup_node_nr_lru_pages(mem_cont, nid, LRU_ALL); seq_printf(m, " N%d=%lu", nid, node_nr); } seq_putc(m, '\n'); - file_nr = mem_cgroup_nr_file_lru_pages(mem_cont); + file_nr = mem_cgroup_nr_lru_pages(mem_cont, LRU_ALL_FILE); seq_printf(m, "file=%lu", file_nr); for_each_node_state(nid, N_HIGH_MEMORY) { - node_nr = mem_cgroup_node_nr_file_lru_pages(mem_cont, nid); + node_nr = mem_cgroup_node_nr_lru_pages(mem_cont, nid, + LRU_ALL_FILE); seq_printf(m, " N%d=%lu", nid, node_nr); } seq_putc(m, '\n'); - anon_nr = mem_cgroup_nr_anon_lru_pages(mem_cont); + anon_nr = mem_cgroup_nr_lru_pages(mem_cont, LRU_ALL_ANON); seq_printf(m, "anon=%lu", anon_nr); for_each_node_state(nid, N_HIGH_MEMORY) { - node_nr = mem_cgroup_node_nr_anon_lru_pages(mem_cont, nid); + node_nr = mem_cgroup_node_nr_lru_pages(mem_cont, nid, + LRU_ALL_ANON); seq_printf(m, " N%d=%lu", nid, node_nr); } seq_putc(m, '\n'); - unevictable_nr = mem_cgroup_nr_unevictable_lru_pages(mem_cont); + unevictable_nr = mem_cgroup_nr_lru_pages(mem_cont, BIT(LRU_UNEVICTABLE)); seq_printf(m, "unevictable=%lu", unevictable_nr); for_each_node_state(nid, N_HIGH_MEMORY) { - node_nr = mem_cgroup_node_nr_unevictable_lru_pages(mem_cont, - nid); + node_nr = mem_cgroup_node_nr_lru_pages(mem_cont, nid, + BIT(LRU_UNEVICTABLE)); seq_printf(m, " N%d=%lu", nid, node_nr); } seq_putc(m, '\n'); diff --git a/mm/vmscan.c b/mm/vmscan.c index 05637491f24..91cee9dfc50 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -171,7 +171,8 @@ static unsigned long zone_nr_lru_pages(struct zone *zone, struct scan_control *sc, enum lru_list lru) { if (!scanning_global_lru(sc)) - return mem_cgroup_zone_nr_lru_pages(sc->mem_cgroup, zone, lru); + return mem_cgroup_zone_nr_lru_pages(sc->mem_cgroup, + zone_to_nid(zone), zone_idx(zone), BIT(lru)); return zone_page_state(zone, NR_LRU_BASE + lru); } |