On Wed, Jul 25, 2012 at 06:38:12PM +0400, Glauber Costa wrote: > For the kmem slab controller, we need to record some extra > information in the kmem_cache structure. > > Signed-off-by: Glauber Costa <glom...@parallels.com> > Signed-off-by: Suleiman Souhlal <sulei...@google.com> > CC: Christoph Lameter <c...@linux.com> > CC: Pekka Enberg <penb...@cs.helsinki.fi> > CC: Michal Hocko <mho...@suse.cz> > CC: Kamezawa Hiroyuki <kamezawa.hir...@jp.fujitsu.com> > CC: Johannes Weiner <han...@cmpxchg.org> > --- > include/linux/slab.h | 7 +++++++ > include/linux/slab_def.h | 4 ++++ > include/linux/slub_def.h | 3 +++ > 3 files changed, 14 insertions(+) > > diff --git a/include/linux/slab.h b/include/linux/slab.h > index 0dd2dfa..3152bcd 100644 > --- a/include/linux/slab.h > +++ b/include/linux/slab.h > @@ -177,6 +177,13 @@ unsigned int kmem_cache_size(struct kmem_cache *); > #define ARCH_SLAB_MINALIGN __alignof__(unsigned long long) > #endif > > +#ifdef CONFIG_MEMCG_KMEM > +struct mem_cgroup_cache_params { > + struct mem_cgroup *memcg; > + int id; > +};
IIUC, we only need the id to make slab name unique. Why can't we embed the id to struct mem_cgroup? Is it possible to have multiple slabs with the same combination of type, size, and memcg? -- Kirill A. Shutemov -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/