Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6:
slab: rename slab_destroy_objs
slub: current is always valid
slub: Add check for kfree() of non slab objects.
diff --git a/mm/slab.c b/mm/slab.c
index 046607f..b4aa4c8 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -1901,15 +1901,7 @@
#endif
#if DEBUG
-/**
- * slab_destroy_objs - destroy a slab and its objects
- * @cachep: cache pointer being destroyed
- * @slabp: slab pointer being destroyed
- *
- * Call the registered destructor for each object in a slab that is being
- * destroyed.
- */
-static void slab_destroy_objs(struct kmem_cache *cachep, struct slab *slabp)
+static void slab_destroy_debugcheck(struct kmem_cache *cachep, struct slab *slabp)
{
int i;
for (i = 0; i < cachep->num; i++) {
@@ -1938,7 +1930,7 @@
}
}
#else
-static void slab_destroy_objs(struct kmem_cache *cachep, struct slab *slabp)
+static void slab_destroy_debugcheck(struct kmem_cache *cachep, struct slab *slabp)
{
}
#endif
@@ -1956,7 +1948,7 @@
{
void *addr = slabp->s_mem - slabp->colouroff;
- slab_destroy_objs(cachep, slabp);
+ slab_destroy_debugcheck(cachep, slabp);
if (unlikely(cachep->flags & SLAB_DESTROY_BY_RCU)) {
struct slab_rcu *slab_rcu;
diff --git a/mm/slub.c b/mm/slub.c
index 5f6e2c4..488400d 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -411,7 +411,7 @@
if (addr) {
p->addr = addr;
p->cpu = smp_processor_id();
- p->pid = current ? current->pid : -1;
+ p->pid = current->pid;
p->when = jiffies;
} else
memset(p, 0, sizeof(struct track));
@@ -2766,6 +2766,7 @@
page = virt_to_head_page(x);
if (unlikely(!PageSlab(page))) {
+ BUG_ON(!PageCompound(page));
put_page(page);
return;
}