linux-kernel - Re: [PATCH v5 15/18] Aggregate memcg cache values in slabinfo

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <5085621C.3040904@parallels.com>
Date:	Mon, 22 Oct 2012 19:11:24 +0400
From:	Glauber Costa <glommer@...allels.com>
To:	Christoph Lameter <cl@...ux.com>
CC:	<linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>,
	<cgroups@...r.kernel.org>, Mel Gorman <mgorman@...e.de>,
	Tejun Heo <tj@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Michal Hocko <mhocko@...e.cz>,
	Johannes Weiner <hannes@...xchg.org>,
	<kamezawa.hiroyu@...fujitsu.com>,
	David Rientjes <rientjes@...gle.com>,
	"Pekka Enberg" <penberg@...nel.org>, <devel@...nvz.org>,
	Pekka Enberg <penberg@...helsinki.fi>,
	Suleiman Souhlal <suleiman@...gle.com>
Subject: Re: [PATCH v5 15/18] Aggregate memcg cache values in slabinfo

On 10/19/2012 11:50 PM, Christoph Lameter wrote:
> On Fri, 19 Oct 2012, Glauber Costa wrote:
> 
>> +
>> +/*
>> + * We use suffixes to the name in memcg because we can't have caches
>> + * created in the system with the same name. But when we print them
>> + * locally, better refer to them with the base name
>> + */
>> +static inline const char *cache_name(struct kmem_cache *s)
>> +{
>> +	if (!is_root_cache(s))
>> +		return s->memcg_params->root_cache->name;
>> +	return s->name;
>> +}
> 
> Could we avoid this uglyness? You can ID a slab cache by combining a memcg
> pointer and a slabname.
> 
But that is not what I want.

What I want is to show the cache by its root name in memcg-specific
slabinfo.


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/