From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Jonghun Han <jonghun.han@samsung.com>
Cc: 'InKi Dae' <daeinki@gmail.com>,
linux-media@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
'linux-fbdev' <linux-fbdev@vger.kernel.org>,
kyungmin.park@samsung.com
Subject: Re: Memory sharing issue by application on V4L2 based device
Date: Tue, 11 Jan 2011 17:35:09 +0000 [thread overview]
Message-ID: <20110111173509.GB14017@dumpdata.com> (raw)
In-Reply-To: <003201cbae19$bda3dfc0$38eb9f40$%han@samsung.com>
.. snip..
> But 64KB or 1MB physically contiguous memory is better than 4KB page in the
> point of performance.
Could you explain that in more details please? I presume you are
talking about a CPU that has a MMU unit, right?
WARNING: multiple messages have this Message-ID (diff)
From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Jonghun Han <jonghun.han@samsung.com>
Cc: "'InKi Dae'" <daeinki@gmail.com>,
linux-media@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
"'linux-fbdev'" <linux-fbdev@vger.kernel.org>,
kyungmin.park@samsung.com
Subject: Re: Memory sharing issue by application on V4L2 based device driver with system mmu.
Date: Tue, 11 Jan 2011 12:35:09 -0500 [thread overview]
Message-ID: <20110111173509.GB14017@dumpdata.com> (raw)
In-Reply-To: <003201cbae19$bda3dfc0$38eb9f40$%han@samsung.com>
.. snip..
> But 64KB or 1MB physically contiguous memory is better than 4KB page in the
> point of performance.
Could you explain that in more details please? I presume you are
talking about a CPU that has a MMU unit, right?
next prev parent reply other threads:[~2011-01-11 17:35 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-06 12:57 Memory sharing issue by application on V4L2 based device driver with daeinki
2011-01-06 12:57 ` Memory sharing issue by application on V4L2 based device driver with system mmu daeinki
2011-01-06 13:25 ` InKi Dae
2011-01-06 23:57 ` Jonghun Han
2011-01-07 2:17 ` Memory sharing issue by application on V4L2 based device driver InKi Dae
2011-01-07 2:17 ` Memory sharing issue by application on V4L2 based device driver with system mmu InKi Dae
2011-01-07 2:17 ` InKi Dae
2011-01-07 3:19 ` Memory sharing issue by application on V4L2 based device driver Jonghun Han
2011-01-07 3:19 ` Memory sharing issue by application on V4L2 based device driver with system mmu Jonghun Han
2011-01-07 3:19 ` Jonghun Han
2011-01-07 4:19 ` Memory sharing issue by application on V4L2 based device driver daeinki
2011-01-07 4:19 ` Memory sharing issue by application on V4L2 based device driver with system mmu daeinki
2011-01-07 4:19 ` daeinki
2011-01-11 17:35 ` Konrad Rzeszutek Wilk [this message]
2011-01-11 17:35 ` Konrad Rzeszutek Wilk
2011-01-13 8:39 ` Memory sharing issue by application on V4L2 based device driver Jonghun Han
2011-01-13 8:39 ` Memory sharing issue by application on V4L2 based device driver with system mmu Jonghun Han
2011-01-13 8:39 ` Jonghun Han
2011-01-07 8:54 ` Memory sharing issue by application on V4L2 based device Michel Dänzer
2011-01-07 8:54 ` Memory sharing issue by application on V4L2 based device driver with system mmu Michel Dänzer
2011-01-07 8:54 ` Michel Dänzer
2011-01-07 10:02 ` Memory sharing issue by application on V4L2 based device driver daeinki
2011-01-07 10:02 ` Memory sharing issue by application on V4L2 based device driver with system mmu daeinki
2011-01-07 10:02 ` daeinki
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