Replace mem and mem_cont stragglers in memcontrol.c by memcg.
Signed-off-by: Hugh Dickins <hughd@xxxxxxxxxx>
---
mm/memcontrol.c | 84 +++++++++++++++++++++++-----------------------
1 file changed, 42 insertions(+), 42 deletions(-)
--- mmotm.orig/mm/memcontrol.c 2011-12-30 21:21:34.895338593 -0800
+++ mmotm/mm/memcontrol.c 2011-12-30 21:22:05.679339324 -0800
@@ -144,7 +144,7 @@ struct mem_cgroup_per_zone {
unsigned long long usage_in_excess;/* Set to the value by which */
/* the soft limit is exceeded*/
bool on_tree;
- struct mem_cgroup *mem; /* Back pointer, we cannot */
+ struct mem_cgroup *memcg; /* Back pointer, we cannot */
/* use container_of */
};
/* Macro for accessing counter */
@@ -597,9 +597,9 @@ retry:
* we will to add it back at the end of reclaim to its correct
* position in the tree.
*/
- __mem_cgroup_remove_exceeded(mz->mem, mz, mctz);
- if (!res_counter_soft_limit_excess(&mz->mem->res) ||
- !css_tryget(&mz->mem->css))
+ __mem_cgroup_remove_exceeded(mz->memcg, mz, mctz);
+ if (!res_counter_soft_limit_excess(&mz->memcg->res) ||
+ !css_tryget(&mz->memcg->css))
goto retry;
done:
return mz;
@@ -1743,22 +1743,22 @@ static DEFINE_SPINLOCK(memcg_oom_lock);
static DECLARE_WAIT_QUEUE_HEAD(memcg_oom_waitq);
struct oom_wait_info {
- struct mem_cgroup *mem;
+ struct mem_cgroup *memcg;
wait_queue_t wait;
};
static int memcg_oom_wake_function(wait_queue_t *wait,
unsigned mode, int sync, void *arg)
{
- struct mem_cgroup *wake_memcg = (struct mem_cgroup *)arg,
- *oom_wait_memcg;
+ struct mem_cgroup *wake_memcg = (struct mem_cgroup *)arg;
+ struct mem_cgroup *oom_wait_memcg;
struct oom_wait_info *oom_wait_info;
oom_wait_info = container_of(wait, struct oom_wait_info, wait);
- oom_wait_memcg = oom_wait_info->mem;
+ oom_wait_memcg = oom_wait_info->memcg;
/*
- * Both of oom_wait_info->mem and wake_mem are stable under us.
+ * Both of oom_wait_info->memcg and wake_memcg are stable under us.
* Then we can use css_is_ancestor without taking care of RCU.
*/
if (!mem_cgroup_same_or_subtree(oom_wait_memcg, wake_memcg)
@@ -1787,7 +1787,7 @@ bool mem_cgroup_handle_oom(struct mem_cg
struct oom_wait_info owait;
bool locked, need_to_kill;
- owait.mem = memcg;
+ owait.memcg = memcg;
owait.wait.flags = 0;
owait.wait.func = memcg_oom_wake_function;
owait.wait.private = current;
@@ -3535,7 +3535,7 @@ unsigned long mem_cgroup_soft_limit_recl
break;
nr_scanned = 0;
- reclaimed = mem_cgroup_soft_reclaim(mz->mem, zone,
+ reclaimed = mem_cgroup_soft_reclaim(mz->memcg, zone,
gfp_mask, &nr_scanned);
nr_reclaimed += reclaimed;
*total_scanned += nr_scanned;
@@ -3562,13 +3562,13 @@ unsigned long mem_cgroup_soft_limit_recl
next_mz =
__mem_cgroup_largest_soft_limit_node(mctz);
if (next_mz == mz)
- css_put(&next_mz->mem->css);
+ css_put(&next_mz->memcg->css);
else /* next_mz == NULL or other memcg */
break;
} while (1);
}
- __mem_cgroup_remove_exceeded(mz->mem, mz, mctz);
- excess = res_counter_soft_limit_excess(&mz->mem->res);
+ __mem_cgroup_remove_exceeded(mz->memcg, mz, mctz);
+ excess = res_counter_soft_limit_excess(&mz->memcg->res);
/*
* One school of thought says that we should not add
* back the node to the tree if reclaim returns 0.
@@ -3578,9 +3578,9 @@ unsigned long mem_cgroup_soft_limit_recl
* term TODO.
*/
/* If excess == 0, no tree ops */
- __mem_cgroup_insert_exceeded(mz->mem, mz, mctz, excess);
+ __mem_cgroup_insert_exceeded(mz->memcg, mz, mctz, excess);
spin_unlock(&mctz->lock);
- css_put(&mz->mem->css);
+ css_put(&mz->memcg->css);
loop++;
/*
* Could not reclaim anything and there are no more
@@ -3593,7 +3593,7 @@ unsigned long mem_cgroup_soft_limit_recl
break;
} while (!nr_reclaimed);
if (next_mz)
- css_put(&next_mz->mem->css);
+ css_put(&next_mz->memcg->css);
return nr_reclaimed;
}
@@ -4096,38 +4096,38 @@ static int mem_control_numa_stat_show(st
unsigned long total_nr, file_nr, anon_nr, unevictable_nr;
unsigned long node_nr;
struct cgroup *cont = m->private;
- struct mem_cgroup *mem_cont = mem_cgroup_from_cont(cont);
+ struct mem_cgroup *memcg = mem_cgroup_from_cont(cont);
- total_nr = mem_cgroup_nr_lru_pages(mem_cont, LRU_ALL);
+ total_nr = mem_cgroup_nr_lru_pages(memcg, 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, LRU_ALL);
+ node_nr = mem_cgroup_node_nr_lru_pages(memcg, nid, LRU_ALL);
seq_printf(m, " N%d=%lu", nid, node_nr);
}
seq_putc(m, '\n');
- file_nr = mem_cgroup_nr_lru_pages(mem_cont, LRU_ALL_FILE);
+ file_nr = mem_cgroup_nr_lru_pages(memcg, LRU_ALL_FILE);
seq_printf(m, "file=%lu", file_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(memcg, nid,
LRU_ALL_FILE);
seq_printf(m, " N%d=%lu", nid, node_nr);
}
seq_putc(m, '\n');
- anon_nr = mem_cgroup_nr_lru_pages(mem_cont, LRU_ALL_ANON);
+ anon_nr = mem_cgroup_nr_lru_pages(memcg, LRU_ALL_ANON);
seq_printf(m, "anon=%lu", anon_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(memcg, nid,
LRU_ALL_ANON);
seq_printf(m, " N%d=%lu", nid, node_nr);
}
seq_putc(m, '\n');
- unevictable_nr = mem_cgroup_nr_lru_pages(mem_cont, BIT(LRU_UNEVICTABLE));
+ unevictable_nr = mem_cgroup_nr_lru_pages(memcg, BIT(LRU_UNEVICTABLE));
seq_printf(m, "unevictable=%lu", unevictable_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(memcg, nid,
BIT(LRU_UNEVICTABLE));
seq_printf(m, " N%d=%lu", nid, node_nr);
}
@@ -4139,12 +4139,12 @@ static int mem_control_numa_stat_show(st
static int mem_control_stat_show(struct cgroup *cont, struct cftype *cft,
struct cgroup_map_cb *cb)
{
- struct mem_cgroup *mem_cont = mem_cgroup_from_cont(cont);
+ struct mem_cgroup *memcg = mem_cgroup_from_cont(cont);
struct mcs_total_stat mystat;
int i;
memset(&mystat, 0, sizeof(mystat));
- mem_cgroup_get_local_stat(mem_cont, &mystat);
+ mem_cgroup_get_local_stat(memcg, &mystat);
for (i = 0; i < NR_MCS_STAT; i++) {
@@ -4156,14 +4156,14 @@ static int mem_control_stat_show(struct
/* Hierarchical information */
{
unsigned long long limit, memsw_limit;
- memcg_get_hierarchical_limit(mem_cont, &limit, &memsw_limit);
+ memcg_get_hierarchical_limit(memcg, &limit, &memsw_limit);
cb->fill(cb, "hierarchical_memory_limit", limit);
if (do_swap_account)
cb->fill(cb, "hierarchical_memsw_limit", memsw_limit);
}
memset(&mystat, 0, sizeof(mystat));
- mem_cgroup_get_total_stat(mem_cont, &mystat);
+ mem_cgroup_get_total_stat(memcg, &mystat);
for (i = 0; i < NR_MCS_STAT; i++) {
if (i == MCS_SWAP && !do_swap_account)
continue;
@@ -4179,7 +4179,7 @@ static int mem_control_stat_show(struct
for_each_online_node(nid)
for (zid = 0; zid < MAX_NR_ZONES; zid++) {
- mz = mem_cgroup_zoneinfo(mem_cont, nid, zid);
+ mz = mem_cgroup_zoneinfo(memcg, nid, zid);
recent_rotated[0] +=
mz->reclaim_stat.recent_rotated[0];
@@ -4808,7 +4808,7 @@ static int alloc_mem_cgroup_per_zone_inf
INIT_LIST_HEAD(&mz->lruvec.lists[l]);
mz->usage_in_excess = 0;
mz->on_tree = false;
- mz->mem = memcg;
+ mz->memcg = memcg;
}
memcg->info.nodeinfo[node] = pn;
return 0;
@@ -4821,29 +4821,29 @@ static void free_mem_cgroup_per_zone_inf
static struct mem_cgroup *mem_cgroup_alloc(void)
{
- struct mem_cgroup *mem;
+ struct mem_cgroup *memcg;
int size = sizeof(struct mem_cgroup);
/* Can be very big if MAX_NUMNODES is very big */
if (size < PAGE_SIZE)
- mem = kzalloc(size, GFP_KERNEL);
+ memcg = kzalloc(size, GFP_KERNEL);
else
- mem = vzalloc(size);
+ memcg = vzalloc(size);
- if (!mem)
+ if (!memcg)
return NULL;
- mem->stat = alloc_percpu(struct mem_cgroup_stat_cpu);
- if (!mem->stat)
+ memcg->stat = alloc_percpu(struct mem_cgroup_stat_cpu);
+ if (!memcg->stat)
goto out_free;
- spin_lock_init(&mem->pcp_counter_lock);
- return mem;
+ spin_lock_init(&memcg->pcp_counter_lock);
+ return memcg;
out_free:
if (size < PAGE_SIZE)
- kfree(mem);
+ kfree(memcg);
else
- vfree(mem);
+ vfree(memcg);
return NULL;
}
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxx. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/
Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>