[PATCH 3.4 44/65] mm: kmemleak: allow safe memory scanning during kmemleak disabling

From: Catalin Marinas 3.4.110-rc1 review patch. If anyone has any objections, please let me know. -- commit c5f3b1a51a591c18c8b33983908e7fdda6ae417e upstream. The kmemleak scanning thread can run for minutes. Callbacks like kmemleak_free() are allowed during this time, the

[PATCH 3.4 44/65] mm: kmemleak: allow safe memory scanning during kmemleak disabling

From: Catalin Marinas 3.4.110-rc1 review patch. If anyone has any objections, please let me know. -- commit c5f3b1a51a591c18c8b33983908e7fdda6ae417e upstream. The kmemleak scanning thread can run for minutes. Callbacks like kmemleak_free() are