Re: [-mm] Add an owner to the mm_struct (v2)

Balbir Singh
2008-03-28T10:16:25Z

Jiri Slaby wrote:
> On 03/28/2008 10:41 AM, Jiri Slaby wrote:
>>> linux-2.6.25-rc5/include/linux/mm_types.h~memory-controller-add-mm-owner
>>> 2008-03-28 09:30:47.000000000 +0530
>>> +++ linux-2.6.25-rc5-balbir/include/linux/mm_types.h 2008-03-28
>>> 12:26:59.000000000 +0530
>>> @@ -227,8 +227,10 @@ struct mm_struct {
>>> /* aio bits */
>>> rwlock_t ioctx_list_lock;
>>> struct kioctx *ioctx_list;
>>> -#ifdef CONFIG_CGROUP_MEM_RES_CTLR
>>> - struct mem_cgroup *mem_cgroup;
>>> +#ifdef CONFIG_MM_OWNER
>>> + spinlock_t owner_lock;
>>> + struct task_struct *owner; /* The thread group leader that */
>>
>> Doesn't make sense to switch them (spinlock is unsigned int on x86,
>> what's sizeof between and after?)?
>
> Hmm, doesn't matter, there is another pointer after it, ignore me.

OK :)

--
Warm Regards,
Balbir Singh
Linux Technology Center
IBM, ISTL