tree 39ad91c60ab2121492c40686593c6e32a66712f1
parent d3466e4f346adef7ee60723812a7ac4cd4583385
author Andrea Arcangeli <aarcange@redhat.com> 1431624672 +0200
committer Sasha Levin <sasha.levin@oracle.com> 1431944938 -0400

userfaultfd: optimize read() and poll() to be O(1)

This makes read O(1) and poll that was already O(1) becomes lockless.

Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>