提交 32049296 编写于 作者: J Johannes Weiner 提交者: Linus Torvalds

mm: memcontrol: use the node-native slab memory counters

Now that the slab counters are moved from the zone to the node level we
can drop the private memcg node stats and use the official ones.

Link: http://lkml.kernel.org/r/20170530181724.27197-4-hannes@cmpxchg.orgSigned-off-by: NJohannes Weiner <hannes@cmpxchg.org>
Acked-by: NVladimir Davydov <vdavydov.dev@gmail.com>
Cc: Josef Bacik <josef@toxicpanda.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 385386cf
......@@ -44,8 +44,6 @@ enum memcg_stat_item {
MEMCG_SOCK,
/* XXX: why are these zone and not node counters? */
MEMCG_KERNEL_STACK_KB,
MEMCG_SLAB_RECLAIMABLE,
MEMCG_SLAB_UNRECLAIMABLE,
MEMCG_NR_STAT,
};
......
......@@ -5198,8 +5198,8 @@ static int memory_stat_show(struct seq_file *m, void *v)
seq_printf(m, "kernel_stack %llu\n",
(u64)stat[MEMCG_KERNEL_STACK_KB] * 1024);
seq_printf(m, "slab %llu\n",
(u64)(stat[MEMCG_SLAB_RECLAIMABLE] +
stat[MEMCG_SLAB_UNRECLAIMABLE]) * PAGE_SIZE);
(u64)(stat[NR_SLAB_RECLAIMABLE] +
stat[NR_SLAB_UNRECLAIMABLE]) * PAGE_SIZE);
seq_printf(m, "sock %llu\n",
(u64)stat[MEMCG_SOCK] * PAGE_SIZE);
......@@ -5223,9 +5223,9 @@ static int memory_stat_show(struct seq_file *m, void *v)
}
seq_printf(m, "slab_reclaimable %llu\n",
(u64)stat[MEMCG_SLAB_RECLAIMABLE] * PAGE_SIZE);
(u64)stat[NR_SLAB_RECLAIMABLE] * PAGE_SIZE);
seq_printf(m, "slab_unreclaimable %llu\n",
(u64)stat[MEMCG_SLAB_UNRECLAIMABLE] * PAGE_SIZE);
(u64)stat[NR_SLAB_UNRECLAIMABLE] * PAGE_SIZE);
/* Accumulated memory events */
......
......@@ -287,7 +287,7 @@ static __always_inline int memcg_charge_slab(struct page *page,
memcg_kmem_update_page_stat(page,
(s->flags & SLAB_RECLAIM_ACCOUNT) ?
MEMCG_SLAB_RECLAIMABLE : MEMCG_SLAB_UNRECLAIMABLE,
NR_SLAB_RECLAIMABLE : NR_SLAB_UNRECLAIMABLE,
1 << order);
return 0;
}
......@@ -300,7 +300,7 @@ static __always_inline void memcg_uncharge_slab(struct page *page, int order,
memcg_kmem_update_page_stat(page,
(s->flags & SLAB_RECLAIM_ACCOUNT) ?
MEMCG_SLAB_RECLAIMABLE : MEMCG_SLAB_UNRECLAIMABLE,
NR_SLAB_RECLAIMABLE : NR_SLAB_UNRECLAIMABLE,
-(1 << order));
memcg_kmem_uncharge(page, order);
}
......
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