On Thu, 09 May 2013 22:25:54 +0530, Buland Kumar Singh said:

> Is there a kernel routine ( not a system call ) that a kernel module can call 
> to "lock"
> all of the pages of a particular VMA of a user process that is using the 
> driver ?

What are you trying to accomplish here?  And why isn't using mlock() from the
userspace program an option?

Also, remember that a vma can change in size.  If it increases, something will
need to lock the newly added pages.

(There's a good chance that locking the pages isn't really what you wanted, and
there's some other way to achieve whatever goal you're chasing here)

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