linux-kernel - Re: [PATCH] UBI: Fix allocation of volume table

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] [day] [month] [year] [list]

Message-ID: <4A858B4A.9000705@gmail.com>
Date:	Fri, 14 Aug 2009 19:05:30 +0300
From:	Artem Bityutskiy <dedekind1@...il.com>
To:	JiSheng Zhang <jszhang3@...il.com>
CC:	linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Artem.Bityutskiy@...ia.com, adrian.hunter@...ia.com,
	rmk@....linux.org.uk, dwmw2@...radead.org
Subject: Re: [PATCH] UBI: Fix allocation of volume table

On 08/11/2009 04:44 AM, JiSheng Zhang wrote:
> We can't use vmalloc for the buffer used for volume table for some NAND
> or NOR drivers may pass the buffer to DMA. And the volume table size
> a.k.a vtbl_size is small so we can use kmalloc or kzalloc for it instead
>
> Signed-off-by: JiSheng Zhang<jszhang3@...il.com>

I do not have objections if this patch becomes a member of a series of
patches which kick vmalloc from whole UBI. Applying just this patch does
not make much sense.

You may go through UBI code and try to split large vmalloc-ed buffers on
smaller kmalloc-ed ones.

-- 
Best Regards,
Artem Bityutskiy (Артём Битюцкий)
--
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/