Messages in this thread | | | Date | Thu, 24 Jul 2008 02:32:10 -0700 (PDT) | Subject | Re: Kernel WARNING: at net/core/dev.c:1330 __netif_schedule+0x2c/0x98() | From | David Miller <> |
| |
From: Peter Zijlstra <peterz@infradead.org> Date: Thu, 24 Jul 2008 11:27:05 +0200
> Well, not only lockdep, taking a very large number of locks is expensive > as well.
Right now it would be on the order of 16 or 32 for real hardware.
Much less than the scheduler currently takes on some of my systems, so currently you are the pot calling the kettle black. :-)
USHORT_MAX is just the upper hard limit imposed by the software interface merely as a side effect of storing the queue number of the SKB as a u16.
| |