Re: [PATCH v3 4/4] mm, procfs: Display VmAnon, VmFile and VmShm in /proc/pid/status

From: Michal Hocko
Date: Fri Sep 25 2015 - 09:29:17 EST


On Wed 05-08-15 15:01:25, Vlastimil Babka wrote:
> From: Jerome Marchand <jmarchan@xxxxxxxxxx>
>
> It's currently inconvenient to retrieve MM_ANONPAGES value from status
> and statm files and there is no way to separate MM_FILEPAGES and
> MM_SHMEMPAGES. Add VmAnon, VmFile and VmShm lines in /proc/<pid>/status
> to solve these issues.

Yes this is definitely an improvement. I have no strong opinion on
naming. VmFOO is consistent with the rest (e.g. VmData, Stk...)

>
> Signed-off-by: Jerome Marchand <jmarchan@xxxxxxxxxx>
> Signed-off-by: Vlastimil Babka <vbabka@xxxxxxx>

Acked-by: Michal Hocko <mhocko@xxxxxxxx>
[...]
> @@ -82,7 +91,7 @@ unsigned long task_statm(struct mm_struct *mm,
> unsigned long *data, unsigned long *resident)
> {
> *shared = get_mm_counter(mm, MM_FILEPAGES) +
> - get_mm_counter(mm, MM_SHMEMPAGES);
> + get_mm_counter_shmem(mm);
> *text = (PAGE_ALIGN(mm->end_code) - (mm->start_code & PAGE_MASK))
> >> PAGE_SHIFT;
> *data = mm->total_vm - mm->shared_vm;

Ahh, so you have fixed up the compilation issue from previous patch
here... This really belong to the previous patch as already noted.
--
Michal Hocko
SUSE Labs
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