Re: [ckrm-tech] [PATCH 4/13] BC: context handling

From: Paul Menage
Date: Thu Nov 23 2006 - 02:53:17 EST


On 11/9/06, Kirill Korotaev <dev@xxxxx> wrote:
+
+int bc_task_move(int pid, struct beancounter *bc, int whole)
+{

...

+
+ down_write(&mm->mmap_sem);
+ err = stop_machine_run(do_set_bcid, &data, NR_CPUS);
+ up_write(&mm->mmap_sem);

Isn't this a little heavyweight for moving a task into/between beancounters?

Paul
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