Date: Fri, 26 Oct 2001 06:39:14 -0400 (EDT) From: "Ilmar S. Habibulin" <ilmar@watson.org> To: Terry Lambert <tlambert2@mindspring.com> Cc: freebsd-hackers@freebsd.org Subject: Re: how can i wipeout swap pages? Message-ID: <20011026061529.G84891-100000@fledge.watson.org> In-Reply-To: <3BD83020.E1CD620F@mindspring.com>
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On Thu, 25 Oct 2001, Terry Lambert wrote: > To do what you want, which is to clean the backing pages, you Yes, i mean cleaning pages in the backing storage. > are better off doing it for all freed blocks, not just swap > blocks (if someone can read your swap, they can read other data > off your unallocated disk blocks from the FS, as well). I clean UFS freed disk blocks, but i don't know how to do it from swap_pager. :( there are some kva to phisical mapping, which i do not understand. So i thought someone could point me how can write block from swap_pager to the disk or where can i read more info (except McKusicks' book and kernel sources). PS. I can make patch, which wipes files(freed blocks) upon deletion for -current, if someone is interested. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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