From: Artem Bityutskiy <dedekind1@gmail.com>
To: David Wagner <david.wagner@free-electrons.com>
Cc: Gilles <gilles.ganault@free.fr>, linux-mtd@lists.infradead.org
Subject: Re: [Ubiattach] "vtbl_check: too large reserved_pebs"
Date: Thu, 09 Jun 2011 18:51:50 +0300 [thread overview]
Message-ID: <1307634710.7374.126.camel@localhost> (raw)
In-Reply-To: <4DF0EBE1.9000903@free-electrons.com>
On Thu, 2011-06-09 at 17:50 +0200, David Wagner wrote:
> >> Oops, sorry, the formula is
> >> ((Subpage_size + Page_size)) / Page_size) * Page_size
> >> That is, subpage+page truncated to page.
> >
> > Thanks, but I must have misunderstood the formula, as I find the same
> > number:
> >
> > PEB_size - ((Subpage_size + Page_size)) / Page_size) * Page_size =
> > LEB_size
> >
> > 131.072 - ((512 + 2048 ) / 2048) * 2048) = 128.512
>
> I should have mentionned that every sub-result has to be considered an
> integer, here, sorry.
> 512+2048 = 2560
> 2560 / 2048 = 1 // That's where it is important that the result be
> // an integer.
> 1 * 2048 = 2048
> 131072 - 2048 = 129024
An improvement patch to the mtd web-site is welcome - it is very simple
to change:
http://git.infradead.org/mtd-www.git
--
Best Regards,
Artem Bityutskiy (Артём Битюцкий)
next prev parent reply other threads:[~2011-06-09 15:56 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-09 10:24 [Ubiattach] "vtbl_check: too large reserved_pebs" Gilles
2011-06-09 12:20 ` Artem Bityutskiy
2011-06-09 12:31 ` Gilles
2011-06-09 12:38 ` Artem Bityutskiy
2011-06-09 15:18 ` Gilles
2011-06-10 4:03 ` Artem Bityutskiy
2011-06-10 9:25 ` Gilles
[not found] ` <4DF0B36E.2020605@free-electrons.com>
[not found] ` <7.0.1.0.2.20110609135430.06967d28@free.fr>
2011-06-09 12:42 ` David Wagner
2011-06-09 15:19 ` Gilles
2011-06-09 15:50 ` David Wagner
2011-06-09 15:51 ` Artem Bityutskiy [this message]
2011-06-09 16:15 ` Gilles
2011-06-09 16:17 ` Gilles
2011-06-09 23:05 ` Gilles
2011-06-10 0:45 ` Gilles
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