Date: Wed, 28 Jul 2010 12:51:27 +0000 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Hans Petter Selasky <hselasky@c2i.net> Cc: freebsd-current@freebsd.org Subject: Re: mmap() problem Message-ID: <1866.1280321487@critter.freebsd.dk> In-Reply-To: Your message of "Wed, 28 Jul 2010 10:56:43 %2B0200." <201007281056.43100.hselasky@c2i.net>
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In message <201007281056.43100.hselasky@c2i.net>, Hans Petter Selasky writes: >When is it safe to free memory which has been mmapped to a user-space >application? After close() or during close() or before close() or when the >process/thread terminates? Assuming you mean memory activated via devsw->mmap: never. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.
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