Messages in this thread | | | Date | Tue, 08 Jun 2004 17:38:54 +0200 | From | Zoltan Menyhart <> | Subject | Re: Who owns those locks ? |
| |
Bjorn Helgaas wrote: > > On Tuesday 08 June 2004 2:03 am, Zoltan Menyhart wrote: > > - You keep my code, it is correct for a memory size up to 16 Tbytes. > > Many if not most large machines have sparse address spaces, > so you may have memory at an address that will cause a > problem even if the actual amount of memory is much smaller. > > The main point is that I wouldn't want a time bomb that > will silently fail when somebody happens to boot on such > a machine. Whether that's avoided by a "miraculous" bit, > throwing away problem pages at boot-time, avoiding task > allocation at specific addresses, etc., is secondary.
I see. No use to make it too much complicated. There is always the option CONFIG_DEBUG_SPINLOCK.
On our no-more-than-512-Gbyte-machine, this small stuff "saved my life" twice. I just wanted to share it...
Regards,
Zoltán - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |