Re: Calculating kernel logical address ..

From: David S. Miller (davem@redhat.com)
Date: Mon Sep 09 2002 - 13:46:40 EST

   From: "Imran Badr" <imran.badr@cavium.com>
   Date: Mon, 9 Sep 2002 11:49:02 -0700
   
   down(&current->mm->mmap_sem) would help.
   
Yes and get_user_pages() grabs a reference to all the pages
for you.
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