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Subject[patch 02/19] slub: Replace ctor field with ops field in /sys/slab/*
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.
Reviewed-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Christoph Lameter <cl@linux-foundation.org>

---
mm/slub.c | 16 +++++++++-------
1 file changed, 9 insertions(+), 7 deletions(-)
Index: linux-next/mm/slub.c
===================================================================
--- linux-next.orig/mm/slub.c 2008-08-11 07:47:01.030203735 -0700
+++ linux-next/mm/slub.c 2008-08-11 07:50:11.402353636 -0700
@@ -3828,16 +3828,18 @@ static ssize_t order_show(struct kmem_ca
}
SLAB_ATTR(order);

-static ssize_t ctor_show(struct kmem_cache *s, char *buf)
+static ssize_t ops_show(struct kmem_cache *s, char *buf)
{
- if (s->ctor) {
- int n = sprint_symbol(buf, (unsigned long)s->ctor);
+ int x = 0;

- return n + sprintf(buf + n, "\n");
+ if (s->ctor) {
+ x += sprintf(buf + x, "ctor : ");
+ x += sprint_symbol(buf + x, (unsigned long)s->ctor);
+ x += sprintf(buf + x, "\n");
}
- return 0;
+ return x;
}
-SLAB_ATTR_RO(ctor);
+SLAB_ATTR_RO(ops);

static ssize_t aliases_show(struct kmem_cache *s, char *buf)
{
@@ -4170,7 +4172,7 @@ static struct attribute *slab_attrs[] =
&slabs_attr.attr,
&partial_attr.attr,
&cpu_slabs_attr.attr,
- &ctor_attr.attr,
+ &ops_attr.attr,
&aliases_attr.attr,
&align_attr.attr,
&sanity_checks_attr.attr,
--


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