cvs commit: src/sys/vm vm_pageq.c
wb at freebie.xs4all.nl
Sat Apr 16 03:10:53 PDT 2005
On Sat, Apr 16, 2005 at 12:52:49AM +0200, Pawel Jakub Dawidek wrote..
> On Fri, Apr 15, 2005 at 09:45:02PM +0000, John Baldwin wrote:
> +> jhb 2005-04-15 21:45:02 UTC
> +> FreeBSD src repository
> +> Modified files:
> +> sys/vm vm_pageq.c
> +> Log:
> +> Add a vm.blacklist tunable which can hold a space or comma seperated list
> +> of physical addresses. The pages containing these physical addresses will
> +> not be added to the free list and thus will effectively be ignored by the
> +> VM system. This is mostly useful for the case when one knows of specific
> +> physical addresses that have bit errors (such as from a memtest run) so
> +> that one can blacklist the bad pages while waiting for the new sticks of
> +> RAM to arrive. The physical addresses of any ignored pages are listed in
> +> the message buffer as well.
> Nice. Would be good to have it documented somewhere, not sure where...
Yeah.. Whats next, background memory scrubber that takes a close
look at the ECC hardware ? ;-)
Wilko Bulte wilko at FreeBSD.org
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