linux-kernel - [PATCH 1/6] mm/slub: add total_objects

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Message-Id: <20170517141146.11063-2-richard.weiyang@gmail.com>
Date:   Wed, 17 May 2017 22:11:41 +0800
From:   Wei Yang <richard.weiyang@...il.com>
To:     cl@...ux.com, penberg@...nel.org, rientjes@...gle.com,
        akpm@...ux-foundation.org
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Wei Yang <richard.weiyang@...il.com>
Subject: [PATCH 1/6] mm/slub: add total_objects_partial sysfs

For partial slabs, show_slab_objects could display its total objects.

This patch just adds an entry to display it.

Signed-off-by: Wei Yang <richard.weiyang@...il.com>
---
 mm/slub.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/mm/slub.c b/mm/slub.c
index a7a109247730..1100d2e75870 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -4983,6 +4983,12 @@ static ssize_t objects_partial_show(struct kmem_cache *s, char *buf)
 }
 SLAB_ATTR_RO(objects_partial);
 
+static ssize_t total_objects_partial_show(struct kmem_cache *s, char *buf)
+{
+	return show_slab_objects(s, buf, SO_PARTIAL|SO_TOTAL);
+}
+SLAB_ATTR_RO(total_objects_partial);
+
 static ssize_t slabs_cpu_partial_show(struct kmem_cache *s, char *buf)
 {
 	int objects = 0;
@@ -5359,6 +5365,7 @@ static struct attribute *slab_attrs[] = {
 	&cpu_partial_attr.attr,
 	&objects_attr.attr,
 	&objects_partial_attr.attr,
+	&total_objects_partial_attr.attr,
 	&partial_attr.attr,
 	&cpu_slabs_attr.attr,
 	&ctor_attr.attr,
-- 
2.11.0