mmap() problem

Poul-Henning Kamp phk at phk.freebsd.dk
Wed Jul 28 13:08:48 UTC 2010


In message <201007281056.43100.hselasky at 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 at FreeBSD.ORG         | TCP/IP since RFC 956
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