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From: <boxerapp@aol.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: David Rientjes <rientjes@google.com>,
	Vladimir Davydov <vdavydov@parallels.com>,
	mhocko@suse.cz, linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH] memcg: fix mutex not unlocked on memcg_create_kmem_cache fail path
Date: Fri, 31 Jan 2014 09:39:25 -0600	[thread overview]
Message-ID: <87BDA3C8-659F-4D58-9923-CEF441DDDAEF@aol.com> (raw)

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I've added this to my to-do list. On January 30, 2014 at 4:09:02 PM CST, Andrew Morton  wrote:On Thu, 30 Jan 2014 14:04:12 -0800 (PST) David Rientjes  wrote:> On Thu, 30 Jan 2014, Andrew Morton wrote:> > > > Yeah, it shouldn't be temporary it should be the one and only allocation. > > > We should construct the name in memcg_create_kmem_cache() and be done with > > > it.> > > > Could. That would require converting memcg_create_kmem_cache() to take > > a va_list and call kasprintf() on it.> > > > Why? We already construct the name in memcg_create_kmem_cache() > appropriately, we just want to avoid the kstrdup() in > kmem_cache_create_memcg() since it's pointless like my patch does.oh, OK, missed that.The problem now is that the string at kmem_cache.name is PATH_MAXbytes, and PATH_MAX is huuuuuuuge.--To unsubscribe from this list: send the line "unsubscribe linux-kernel" inthe body of a message to majordomo@vger.kernel.orgMore majordomo info at http://vger.kernel.org/majordomo-info.htmlPlease read the FAQ at http://www.tux.org/lkml/     

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             reply	other threads:[~2014-01-31 15:39 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-31 15:39 boxerapp [this message]
  -- strict thread matches above, loose matches on Subject: below --
2014-01-30 16:01 Vladimir Davydov
2014-01-30 21:01 ` Andrew Morton
2014-01-30 21:14   ` David Rientjes
2014-01-30 21:29     ` Andrew Morton
2014-01-30 21:38       ` David Rientjes
2014-01-30 21:50         ` Andrew Morton
2014-01-30 22:04           ` David Rientjes
2014-01-30 22:09             ` Andrew Morton
2014-01-30 22:13               ` David Rientjes
2014-01-30 22:15                 ` Andrew Morton
2014-01-30 22:39                   ` David Rientjes
2014-01-31  6:53                     ` Vladimir Davydov
2014-01-31 10:42                       ` David Rientjes
2014-01-31 11:29                         ` Vladimir Davydov
2014-01-30 21:36     ` David Rientjes
2014-01-30 21:09 ` David Rientjes

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