Messages in this thread | | | Date | Fri, 14 Feb 2014 14:19:59 +0100 | From | Sebastian Andrzej Siewior <> | Subject | Re: [PATCH RT 4/5] allow preemption in mem_cgroup_move_account_page_stat |
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* Sebastian Andrzej Siewior | 2014-02-14 14:17:05 [+0100]:
>Now, that I look at it again. Isn't it more efficient to keep preemption >disabled for this very short time instead instead of invoking >migrate_disable() which includes preempt_disable()/enable() and a few >more opcodes… >Therefore, I drop it again.
I think doing the same for the 1/5 of this series since it also disables migration for a handfull of asm opcodes.
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