Date: Tue, 26 Aug 1997 07:46:46 +0200 From: j@uriah.heep.sax.de (J Wunsch) To: hackers@FreeBSD.ORG (hackers@freebsd.org) Subject: Re: special malloc needs... Message-ID: <19970826074646.HW60392@uriah.heep.sax.de> In-Reply-To: <19970826124223.62337@lemis.com>; from Greg Lehey on Aug 26, 1997 12:42:23 %2B0930 References: <199708251630.JAA18241@dragon.awen.com> <19970825222008.PD53308@uriah.heep.sax.de> <19970826124223.62337@lemis.com>
next in thread | previous in thread | raw e-mail | index | archive | help
As Greg Lehey wrote: > > No, you can't do this. You get virtual memory, nothing else. It's > > not even backed with physical memory at all when you've got it. > > Well, you can't malloc() it, but you can try to mmap() it with > MAP_FIXED. man mmap(2). Of course, you can't. MAP_FIXED (if it succeeds at all) guarantees you a fixed VM address, nothing else. It's still VM, where each succeeding page can be anywhere in physical memory. -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?19970826074646.HW60392>