[PATCH 0/8] Fixes for common mistakes w/ for_each_process andtask->mm

From: Anton Vorontsov
Date: Tue Feb 07 2012 - 01:48:41 EST

Hi all,

While working on lowmemorykiller driver, I stumbled upon several places
where we traverse the tasklist in an unsafe manner, plus there are a
few cases of unsafe access to task->mm.

Note that some patches were not tested (e.g. sh, blackfin), so please
take a closer look if there's silly mistakes. Also special attention
needed for patch 7/8 (UML specific).


For sysrq case I kept the force_sig() usage, this is because in sysrq
case I belive we do want to kill PID namespace init processes. If using
force_sig() is still a bad idea, I guess we should fix it somehow


Anton Vorontsov
Email: cbouatmailru@xxxxxxxxx
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