"pgmajfault",
};
+static const char * const mem_cgroup_lru_names[] = {
+ "inactive_anon",
+ "active_anon",
+ "inactive_file",
+ "active_file",
+ "unevictable",
+};
+
/*
* 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
spin_unlock_irqrestore(&memcg->move_lock, *flags);
}
+#define K(x) ((x) << (PAGE_SHIFT-10))
/**
- * mem_cgroup_print_oom_info: Called from OOM with tasklist_lock held in read mode.
+ * mem_cgroup_print_oom_info: Print OOM information relevant to memory controller.
* @memcg: The memory cgroup that went over limit
* @p: Task that is going to be killed
*
*/
static char memcg_name[PATH_MAX];
int ret;
+ struct mem_cgroup *iter;
+ unsigned int i;
- if (!memcg || !p)
+ if (!p)
return;
rcu_read_lock();
}
rcu_read_unlock();
- printk(KERN_INFO "Task in %s killed", memcg_name);
+ pr_info("Task in %s killed", memcg_name);
rcu_read_lock();
ret = cgroup_path(mem_cgrp, memcg_name, PATH_MAX);
/*
* Continues from above, so we don't need an KERN_ level
*/
- printk(KERN_CONT " as a result of limit of %s\n", memcg_name);
+ pr_cont(" as a result of limit of %s\n", memcg_name);
done:
- printk(KERN_INFO "memory: usage %llukB, limit %llukB, failcnt %llu\n",
+ pr_info("memory: usage %llukB, limit %llukB, failcnt %llu\n",
res_counter_read_u64(&memcg->res, RES_USAGE) >> 10,
res_counter_read_u64(&memcg->res, RES_LIMIT) >> 10,
res_counter_read_u64(&memcg->res, RES_FAILCNT));
- printk(KERN_INFO "memory+swap: usage %llukB, limit %llukB, "
- "failcnt %llu\n",
+ pr_info("memory+swap: usage %llukB, limit %llukB, failcnt %llu\n",
res_counter_read_u64(&memcg->memsw, RES_USAGE) >> 10,
res_counter_read_u64(&memcg->memsw, RES_LIMIT) >> 10,
res_counter_read_u64(&memcg->memsw, RES_FAILCNT));
- printk(KERN_INFO "kmem: usage %llukB, limit %llukB, failcnt %llu\n",
+ pr_info("kmem: usage %llukB, limit %llukB, failcnt %llu\n",
res_counter_read_u64(&memcg->kmem, RES_USAGE) >> 10,
res_counter_read_u64(&memcg->kmem, RES_LIMIT) >> 10,
res_counter_read_u64(&memcg->kmem, RES_FAILCNT));
+
+ for_each_mem_cgroup_tree(iter, memcg) {
+ pr_info("Memory cgroup stats");
+
+ rcu_read_lock();
+ ret = cgroup_path(iter->css.cgroup, memcg_name, PATH_MAX);
+ if (!ret)
+ pr_cont(" for %s", memcg_name);
+ rcu_read_unlock();
+ pr_cont(":");
+
+ for (i = 0; i < MEM_CGROUP_STAT_NSTATS; i++) {
+ if (i == MEM_CGROUP_STAT_SWAP && !do_swap_account)
+ continue;
+ pr_cont(" %s:%ldKB", mem_cgroup_stat_names[i],
+ K(mem_cgroup_read_stat(iter, i)));
+ }
+
+ for (i = 0; i < NR_LRU_LISTS; i++)
+ pr_cont(" %s:%luKB", mem_cgroup_lru_names[i],
+ K(mem_cgroup_nr_lru_pages(iter, BIT(i))));
+
+ pr_cont("\n");
+ }
}
/*
pc = lookup_page_cgroup_used(page);
if (pc) {
- printk(KERN_ALERT "pc:%p pc->flags:%lx pc->mem_cgroup:%p\n",
- pc, pc->flags, pc->mem_cgroup);
+ pr_alert("pc:%p pc->flags:%lx pc->mem_cgroup:%p\n",
+ pc, pc->flags, pc->mem_cgroup);
}
}
#endif
}
#endif /* CONFIG_NUMA */
-static const char * const mem_cgroup_lru_names[] = {
- "inactive_anon",
- "active_anon",
- "inactive_file",
- "active_file",
- "unevictable",
-};
-
static inline void mem_cgroup_lru_names_not_uptodate(void)
{
BUILD_BUG_ON(ARRAY_SIZE(mem_cgroup_lru_names) != NR_LRU_LISTS);
.read_seq_string = memcg_numa_stat_show,
},
#endif
-#ifdef CONFIG_MEMCG_SWAP
- {
- .name = "memsw.usage_in_bytes",
- .private = MEMFILE_PRIVATE(_MEMSWAP, RES_USAGE),
- .read = mem_cgroup_read,
- .register_event = mem_cgroup_usage_register_event,
- .unregister_event = mem_cgroup_usage_unregister_event,
- },
- {
- .name = "memsw.max_usage_in_bytes",
- .private = MEMFILE_PRIVATE(_MEMSWAP, RES_MAX_USAGE),
- .trigger = mem_cgroup_reset,
- .read = mem_cgroup_read,
- },
- {
- .name = "memsw.limit_in_bytes",
- .private = MEMFILE_PRIVATE(_MEMSWAP, RES_LIMIT),
- .write_string = mem_cgroup_write,
- .read = mem_cgroup_read,
- },
- {
- .name = "memsw.failcnt",
- .private = MEMFILE_PRIVATE(_MEMSWAP, RES_FAILCNT),
- .trigger = mem_cgroup_reset,
- .read = mem_cgroup_read,
- },
-#endif
#ifdef CONFIG_MEMCG_KMEM
{
.name = "kmem.limit_in_bytes",
{ }, /* terminate */
};
+#ifdef CONFIG_MEMCG_SWAP
+static struct cftype memsw_cgroup_files[] = {
+ {
+ .name = "memsw.usage_in_bytes",
+ .private = MEMFILE_PRIVATE(_MEMSWAP, RES_USAGE),
+ .read = mem_cgroup_read,
+ .register_event = mem_cgroup_usage_register_event,
+ .unregister_event = mem_cgroup_usage_unregister_event,
+ },
+ {
+ .name = "memsw.max_usage_in_bytes",
+ .private = MEMFILE_PRIVATE(_MEMSWAP, RES_MAX_USAGE),
+ .trigger = mem_cgroup_reset,
+ .read = mem_cgroup_read,
+ },
+ {
+ .name = "memsw.limit_in_bytes",
+ .private = MEMFILE_PRIVATE(_MEMSWAP, RES_LIMIT),
+ .write_string = mem_cgroup_write,
+ .read = mem_cgroup_read,
+ },
+ {
+ .name = "memsw.failcnt",
+ .private = MEMFILE_PRIVATE(_MEMSWAP, RES_FAILCNT),
+ .trigger = mem_cgroup_reset,
+ .read = mem_cgroup_read,
+ },
+ { }, /* terminate */
+};
+#endif
static int alloc_mem_cgroup_per_zone_info(struct mem_cgroup *memcg, int node)
{
struct mem_cgroup_per_node *pn;
* Because lookup_swap_cache() updates some statistics counter,
* we call find_get_page() with swapper_space directly.
*/
- page = find_get_page(&swapper_space, ent.val);
+ page = find_get_page(swap_address_space(ent), ent.val);
if (do_swap_account)
entry->val = ent.val;
swp_entry_t swap = radix_to_swp_entry(page);
if (do_swap_account)
*entry = swap;
- page = find_get_page(&swapper_space, swap.val);
+ page = find_get_page(swap_address_space(swap), swap.val);
}
#endif
return page;
.use_id = 1,
};
-/*
- * The rest of init is performed during ->css_alloc() for root css which
- * happens before initcalls. hotcpu_notifier() can't be done together as
- * it would introduce circular locking by adding cgroup_lock -> cpu hotplug
- * dependency. Do it from a subsys_initcall().
- */
-static int __init mem_cgroup_init(void)
-{
- hotcpu_notifier(memcg_cpu_hotplug_callback, 0);
- return 0;
-}
-subsys_initcall(mem_cgroup_init);
-
#ifdef CONFIG_MEMCG_SWAP
static int __init enable_swap_account(char *s)
{
}
__setup("swapaccount=", enable_swap_account);
+static void __init memsw_file_init(void)
+{
+ if (really_do_swap_account)
+ WARN_ON(cgroup_add_cftypes(&mem_cgroup_subsys,
+ memsw_cgroup_files));
+}
+#else
+static void __init memsw_file_init(void)
+{
+}
#endif
+
+/*
+ * The rest of init is performed during ->css_alloc() for root css which
+ * happens before initcalls. hotcpu_notifier() can't be done together as
+ * it would introduce circular locking by adding cgroup_lock -> cpu hotplug
+ * dependency. Do it from a subsys_initcall().
+ */
+static int __init mem_cgroup_init(void)
+{
+ hotcpu_notifier(memcg_cpu_hotplug_callback, 0);
+ memsw_file_init();
+ return 0;
+}
+subsys_initcall(mem_cgroup_init);
projects / platform / adaptation / renesas_rcar / renesas_kernel.git / blobdiff