Date: Sun, 30 Nov 1997 14:16:28 -0500 (EST) From: "John S. Dyson" <toor@dyson.iquest.net> To: j_mini@efn.org Cc: dyson@freebsd.org, hackers@freebsd.org Subject: Re: dirty bit in page allocations. Message-ID: <199711301916.OAA01128@dyson.iquest.net> In-Reply-To: <19971130003340.56477@micron.mini.net> from Jonathan Mini at "Nov 30, 97 00:33:40 am"
next in thread | previous in thread | raw e-mail | index | archive | help
Jonathan Mini said: > I need to read and set the dirty bit on pages of allocated kernel memory. I > allocate the memory via malloc, and then export it to the userland via mmap. > What I need to do is clear and test the dirty bit on those pages. This way, I > can dump only those pages which have been modified instead of the entire set > of pages. > What are the functions/macros/etc which will allow me to do this? > What, exactly, are you trying to do? (I am not trying to be snotty or anything, but there are easy ways to do certain things, and more difficult ways :-)). I might be able to help you put something together that is easy. -- John dyson@freebsd.org jdyson@nc.com
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199711301916.OAA01128>