From: Oliver Neukum <oliver@neukum.org>
To: "René Rebe" <rene@exactcode.de>, linux-usb-devel@lists.sourceforge.net
Cc: linux-kernel@vger.kernel.org
Subject: Re: MAX_USBFS_BUFFER_SIZE
Date: Wed, 1 Mar 2006 21:53:20 +0100 [thread overview]
Message-ID: <200603012153.20723.oliver@neukum.org> (raw)
In-Reply-To: <200603012116.25869.rene@exactcode.de>
Am Mittwoch, 1. März 2006 21:16 schrieb René Rebe:
> Hi,
>
> I wonder if:
>
> drivers/usb/core/devio.c:86
> #define MAX_USBFS_BUFFER_SIZE 16384
>
> is some random, or outdated limit or if there really is some code path that could
> not handle bigger URBs.
We are nice to the VM. 16384 is optimistic anyway. You cannot expect
to repeatedly and reliably allocate larger buffers.
Regards
Oliver
next prev parent reply other threads:[~2006-03-01 20:53 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-01 20:16 MAX_USBFS_BUFFER_SIZE René Rebe
2006-03-01 20:53 ` Oliver Neukum [this message]
2006-03-01 21:32 ` MAX_USBFS_BUFFER_SIZE Greg KH
2006-03-01 21:42 ` MAX_USBFS_BUFFER_SIZE René Rebe
2006-03-01 21:54 ` MAX_USBFS_BUFFER_SIZE Greg KH
2006-03-01 22:34 ` MAX_USBFS_BUFFER_SIZE Olivier Galibert
2006-03-01 22:41 ` MAX_USBFS_BUFFER_SIZE Greg KH
2006-03-01 23:25 ` MAX_USBFS_BUFFER_SIZE Olivier Galibert
2006-03-01 23:37 ` MAX_USBFS_BUFFER_SIZE Greg KH
2006-03-02 9:04 ` MAX_USBFS_BUFFER_SIZE René Rebe
2006-03-02 16:47 ` MAX_USBFS_BUFFER_SIZE Greg KH
2006-03-02 16:03 ` MAX_USBFS_BUFFER_SIZE René Rebe
2006-03-02 16:47 ` MAX_USBFS_BUFFER_SIZE Greg KH
2006-03-01 21:59 ` MAX_USBFS_BUFFER_SIZE Duncan Sands
2006-03-03 10:34 ` MAX_USBFS_BUFFER_SIZE Oliver Neukum
[not found] ` <mailman.1141249502.22706.linux-kernel2news@redhat.com>
2006-03-02 21:05 ` MAX_USBFS_BUFFER_SIZE Pete Zaitcev
2006-03-03 7:27 ` MAX_USBFS_BUFFER_SIZE René Rebe
2006-03-03 20:32 ` MAX_USBFS_BUFFER_SIZE Greg KH
2006-03-03 8:12 ` MAX_USBFS_BUFFER_SIZE Duncan Sands
2006-03-03 10:29 ` MAX_USBFS_BUFFER_SIZE Oliver Neukum
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