Date: Sat, 16 Apr 2005 13:01:11 +0200 From: Bernd Walter <ticso@cicely12.cicely.de> To: John Baldwin <jhb@FreeBSD.org> Cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/vm vm_pageq.c Message-ID: <20050416110110.GA70553@cicely12.cicely.de> In-Reply-To: <200504152145.j3FLj2Oi004736@repoman.freebsd.org> References: <200504152145.j3FLj2Oi004736@repoman.freebsd.org>
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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. Sounds like this could be used if physical memory in non-continuous. -- B.Walter BWCT http://www.bwct.de bernd@bwct.de info@bwct.de
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