[PATCH 3.14 42/42] proc/pagemap: walk page tables under pte lock

3.14-stable review patch. If anyone has any objections, please let me know. -- From: Konstantin Khlebnikov commit 05fbf357d94152171bc50f8a369390f1f16efd89 upstream. Lockless access to pte in pagemap_pte_range() might race with page migration and trigger BUG_ON(!PageLocked())

[PATCH 3.14 42/42] proc/pagemap: walk page tables under pte lock

3.14-stable review patch. If anyone has any objections, please let me know. -- From: Konstantin Khlebnikov khlebni...@yandex-team.ru commit 05fbf357d94152171bc50f8a369390f1f16efd89 upstream. Lockless access to pte in pagemap_pte_range() might race with page migration and