On Fri, Aug 25, 2023 at 9:15 AM HAGIO KAZUHITO(萩尾 一仁) <k-hagio-ab(a)nec.com>
wrote:
>>> - if (!task_mm(task, TRUE))
>>> + if (!(addr = task_mm(task, TRUE)))
>>> + return;
>>> +
>>> + if (!readmem(addr + OFFSET(mm_struct_mm_count), KVADDR,
&mm_count,
>>> + sizeof(int), "mm_struct mm_count",
RETURN_ON_ERROR))
>>> + return;
tt->mm_struct is filled in task_mm(), I think we can use this:
mm_count = INT(tt->mm_struct + OFFSET(mm_struct_mm_count));
The following code in get_task_mem_usage() also use this.
Good idea. I will post v2 with this change later.
Thanks.
Lianbo
Thanks,
Kazu