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Date: Fri, 27 Apr 2018 13:06:56 +0200 From: Vlastimil Babka <vbabka@...e.cz> To: Roman Gushchin <guro@...com> Cc: David Rientjes <rientjes@...gle.com>, Michal Hocko <mhocko@...nel.org>, linux-mm@...ck.org, linux-kernel@...r.kernel.org, linux-api@...r.kernel.org, kernel-team@...com, Matthew Wilcox <willy@...radead.org>, Andrew Morton <akpm@...ux-foundation.org>, Alexander Viro <viro@...iv.linux.org.uk>, Johannes Weiner <hannes@...xchg.org> Subject: Re: [PATCH] mm: don't show nr_indirectly_reclaimable in /proc/vmstat 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@...e.cz> >> >> 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! > -- > To unsubscribe from this list: send the line "unsubscribe linux-api" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >
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