Re: adding more than 100 network devices -- problems

[David S. Miller]

From: Abraham van der Merwe <abz@xxxxxxxxxxxx>
Date: Mon, 12 Sep 2005 15:02:42 +0200

> The problem is that network devices are currently limited to 100
> (dev_alloc_name() in net/core/dev.c).

This limit has been increased to 8*PAGE_SIZE in current
2.6.x kernels.

In 2.4.x you can safely increase the hard-coded limit in
dev_alloc_name() but if you have a lot of programs causing
the kernel to lookup devices by string name, you may run
into some performance problems.
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