tree 4972dac6ca66279277da1b328d9f6d32bcf08dd0
parent a734bcc812146cfba530e1adaf609fce1357982e
author Michal Hocko <mhocko@suse.cz> 1326236841 -0800
committer Linus Torvalds <torvalds@linux-foundation.org> 1326241842 -0800

hugetlb: clarify hugetlb_instantiation_mutex usage

Let's make it clear that we cannot race with other fault handlers due to
hugetlb (global) mutex.  Also make it clear that we want to keep pte_same
checks anayway to have a transition from the global mutex easier.

Signed-off-by: Michal Hocko <mhocko@suse.cz>
Cc: Hillf Danton <dhillf@gmail.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Johannes Weiner <jweiner@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>