Re: Process VM Addr to Kernel VM Addr at Interrupt Time.

Alan Cox (alan@lxorguk.ukuu.org.uk)
Thu, 29 Apr 1999 13:31:15 +0100 (BST)

> mlock() doesn't fault the pages by itself. The user needs to do a read/write to
> fault the pages in order to have the mlock take effect. Once this happens, it
> should work.

Providing the user remembered

> The other option of allocation of kernel buffer and exporting the data to the user
> using mmap using MAP_PRIVATE will never work.

Why would you use mmap private for this ?

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