cvs commit: src/sys/vm vm_pageq.c
Pawel Jakub Dawidek
pjd at FreeBSD.org
Fri Apr 15 15:53:10 PDT 2005
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
+> 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...
Pawel Jakub Dawidek http://www.wheel.pl
pjd at FreeBSD.org http://www.FreeBSD.org
FreeBSD committer Am I Evil? Yes, I Am!
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