mm/slub: remove 'per_cpu' which is useless variable (e35e1a97) · Commits · 戴 / test

Remove 'per_cpu', since it is useless now after the patch: " slub: Update statistics handling for variable order slabs". And the partial list is handled in the same way as the per cpu slab. Acked-by:

Christoph Lameter <cl@linux.com> Signed-off-by:

Chen Gang <gang.chen@asianux.com> Signed-off-by:

Pekka Enberg <penberg@kernel.org>

mm/slub.c

+1 −5

Original line number	Diff line number	Diff line
		@@ -4271,12 +4271,10 @@ static ssize_t show_slab_objects(struct kmem_cache *s,
		int node;
		int x;
		unsigned long *nodes;
		unsigned long *per_cpu;

		nodes = kzalloc(2 * sizeof(unsigned long) * nr_node_ids, GFP_KERNEL);
		nodes = kzalloc(sizeof(unsigned long) * nr_node_ids, GFP_KERNEL);
		if (!nodes)
		return -ENOMEM;
		per_cpu = nodes + nr_node_ids;

		if (flags & SO_CPU) {
		int cpu;
		@@ -4307,8 +4305,6 @@ static ssize_t show_slab_objects(struct kmem_cache *s,
		total += x;
		nodes[node] += x;
		}

		per_cpu[node]++;
		}
		}

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