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From: Andrey Ryabinin <aryabinin@virtuozzo.com>
To: "Luruo, Kuthonuzo" <kuthonuzo.luruo@hpe.com>,
	"glider@google.com" <glider@google.com>,
	"dvyukov@google.com" <dvyukov@google.com>,
	"cl@linux.com" <cl@linux.com>,
	"penberg@kernel.org" <penberg@kernel.org>,
	"rientjes@google.com" <rientjes@google.com>,
	"iamjoonsoo.kim@lge.com" <iamjoonsoo.kim@lge.com>,
	"akpm@linux-foundation.org" <akpm@linux-foundation.org>
Cc: "kasan-dev@googlegroups.com" <kasan-dev@googlegroups.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: [PATCH v2 1/2] mm, kasan: improve double-free detection
Date: Mon, 9 May 2016 16:01:20 +0300	[thread overview]
Message-ID: <57308A20.2050501@virtuozzo.com> (raw)
In-Reply-To: <20E775CA4D599049A25800DE5799F6DD1F627919@G4W3225.americas.hpqcorp.net>



On 05/09/2016 02:35 PM, Luruo, Kuthonuzo wrote:
> 
> This patch with atomic bit op is similar in spirit to v1 except that it increases metadata size.
> 

I don't think that this is a big deal. That will slightly increase size of objects <= (128 - 32) bytes.
And if someone think otherwise, we can completely remove 'alloc_size'
(we use it only to print size in report - not very useful).

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  reply	other threads:[~2016-05-09 13:01 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-06 11:47 Kuthonuzo Luruo
2016-05-07 10:25 ` Yury Norov
2016-05-07 15:15   ` Luruo, Kuthonuzo
2016-05-08  9:17     ` Yury Norov
2016-05-09  5:46       ` Dmitry Vyukov
2016-05-09  6:04         ` Luruo, Kuthonuzo
2016-05-09  7:07     ` Dmitry Vyukov
2016-05-09 10:26 ` Andrey Ryabinin
2016-05-09 10:31   ` Dmitry Vyukov
2016-05-09 12:43     ` Andrey Ryabinin
2016-05-10 11:55       ` Dmitry Vyukov
2016-05-09 11:35   ` Luruo, Kuthonuzo
2016-05-09 13:01     ` Andrey Ryabinin [this message]
2016-05-09 13:20       ` Dmitry Vyukov
2016-05-09 13:34         ` Andrey Ryabinin

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