From: Artem Bityutskiy <dedekind1@gmail.com>
To: Brian Norris <computersforpeace@gmail.com>
Cc: linux-mtd@lists.infradead.org
Subject: Re: [PATCH] libmtd: fix mtd_write() issues for large data-only writes
Date: Tue, 14 Feb 2012 11:01:52 +0200 [thread overview]
Message-ID: <1329210112.22240.217.camel@sauron.fi.intel.com> (raw)
In-Reply-To: <1328934905-27007-1-git-send-email-computersforpeace@gmail.com>
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On Fri, 2012-02-10 at 20:35 -0800, Brian Norris wrote:
> ioctl(MEMWRITE) is implemented with memdup_user(), and so it allocates
> kernel memory in contiguous regions. This limits its usefulness for large
> amounts of data, since contiguous kernel memory can become scarce. I have
> experienced "out of memory" problems with ubiformat, for instance, which
> writes in eraseblock-sized regions:
Pushed this one and the other 3 patches to mtd-utils.git, thanks a lot!
--
Best Regards,
Artem Bityutskiy
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next prev parent reply other threads:[~2012-02-14 8:59 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-11 4:35 [PATCH] libmtd: fix mtd_write() issues for large data-only writes Brian Norris
2012-02-14 9:01 ` Artem Bityutskiy [this message]
2012-02-14 19:53 ` Brian Norris
2012-02-29 7:22 ` Artem Bityutskiy
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