Re: [Xen-devel] xen-unstable: TX/RX ring buffer exhaustion and NR_GRANT_FRAMES

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 11 Nov 2005, at 08:59, Birger Toedtmann wrote:

> message - see bug #183.  It was pointed out to me that it might be
> possible to adjust this manually in xen/include/xen/grant_table.h,
> however, setting ORDER_GRANT_FRAMES to 3 to get more pages of grant
> tables doesn't change anything.  Sooo, question #1: how can I alter the
> code to get more grant tables such that more nics per domU will become
> available?  Question #2: is it planned to make this configurable, e.g.
> by boot option for dom0?
1: you need to edit NR_GRANT_FRAMES in linux/include/asm-xen/gnttab.h

2: yes, it will eventually be manually configurable with a higher 
default 'maximum'
 -- Keir


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