Re: [PATCH] mm: don't show nr_indirectly_reclaimable in /proc/vmstat

[Vlastimil Babka]

On 04/27/2018 12:55 PM, Roman Gushchin wrote:
> On Fri, Apr 27, 2018 at 11:17:01AM +0200, Vlastimil Babka wrote:
>> On 04/26/2018 11:55 PM, David Rientjes wrote:
>>>
>>> Implementing this counter as a vmstat doesn't make much sense based on how 
>>> it's used.  Do you have a link to what Vlastimil proposed?  I haven't seen 
>>> mention of alternative ideas.
>>
>> It was in the original thread, see e.g.
>> <08524819-14ef-81d0-fa90-d7af13c6b9d5@xxxxxxx>
>>
>> However it will take some time to get that in mainline, and meanwhile
>> the current implementation does prevent a DOS. So I doubt it can be
>> fully reverted - as a compromise I just didn't want the counter to
>> become ABI. TBH though, other people at LSF/MM didn't seem concerned
>> that /proc/vmstat is an ABI that we can't change (i.e. counters have
>> been presumably removed in the past already).
>>
> 
> Thank you, Vlastimil!
> That pretty much matches my understanding of the case.
> 
> BTW, are you planning to work on supporting reclaimable objects
> by slab allocators?

Yeah, soon!

Vlastimil

> Thanks!
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