Create an ops field in /sys/slab/*/ops to contain all the operations defined
on a slab. This will be used to display the additional operations that will
be defined soon to enable defragmentation.
Signed-off-by: Christoph Lameter <cl@xxxxxxxxx>
---
mm/slub.c | 16 +++++++++-------
1 file changed, 9 insertions(+), 7 deletions(-)
Index: linux/mm/slub.c
===================================================================
--- linux.orig/mm/slub.c
+++ linux/mm/slub.c
@@ -4942,13 +4942,18 @@ static ssize_t cpu_partial_store(struct
}
SLAB_ATTR(cpu_partial);
-static ssize_t ctor_show(struct kmem_cache *s, char *buf)
+static ssize_t ops_show(struct kmem_cache *s, char *buf)
{
+ int x;
+
if (!s->ctor)
return 0;
- return sprintf(buf, "%pS\n", s->ctor);
+
+ if (s->ctor)
+ x += sprintf(buf + x, "ctor : %pS\n", s->ctor);
+ return x;
}
-SLAB_ATTR_RO(ctor);
+SLAB_ATTR_RO(ops);
static ssize_t aliases_show(struct kmem_cache *s, char *buf)
{
@@ -5356,7 +5361,7 @@ static struct attribute *slab_attrs[] =
&objects_partial_attr.attr,
&partial_attr.attr,
&cpu_slabs_attr.attr,
- &ctor_attr.attr,
+ &ops_attr.attr,
&aliases_attr.attr,
&align_attr.attr,
&hwcache_align_attr.attr,
--
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