Messages in this thread | | | From | "Stephen C. Tweedie" <> | Date | Thu, 30 Sep 1999 15:26:26 +0100 (BST) | Subject | Re: pinning down user memory... |
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Hi,
On Thu, 23 Sep 1999 15:44:20 -0700, "Raj, Ashok" <ashok.raj@intel.com> said:
> anyone in the list has had requirement to pin user memory pages down > in linux? i have had other ways in solaris/nt to do this. but have not > known the right way to lock pages down under linux.
What for? From user space, mlock() fits the bill. If you want to pin pages for a driver, either allocate the pages from kernel space and mmap them into user space, or (in 2.3) the kiobuf mechanism can map and pin an arbitrary range of user pages temporarily.
--Stephen
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