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From: Shakeel Butt To: Alexandre Ghiti Cc: Andrew Morton , Johannes Weiner , Michal Hocko , Roman Gushchin , Muchun Song , Dennis Zhou , Tejun Heo , Christoph Lameter , Vlastimil Babka , Yosry Ahmed , Nhat Pham , Sergey Senozhatsky , Chengming Zhou , Suren Baghdasaryan , Qi Zheng , David Hildenbrand , Lorenzo Stoakes , Minchan Kim , Mike Rapoport , Axel Rasmussen , Barry Song , Kairui Song , Wei Xu , Yuanchu Xie , "Liam R . Howlett" , Joshua Hahn , linux-mm@kvack.org, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org Subject: Re: [PATCH 1/8] mm: memcontrol: propagate NMI slab stats to memcg vmstats Message-ID: References: <20260511202136.330358-1-alex@ghiti.fr> <20260511202136.330358-2-alex@ghiti.fr> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Migadu-Flow: FLOW_OUT X-Rspam-User: X-Rspamd-Queue-Id: D0304A0008 X-Rspamd-Server: rspam06 X-Stat-Signature: gj68dmati6fbhaeyew8srchqrgac7ftq X-HE-Tag: 1778602113-257821 X-HE-Meta: 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 8/LVr3BU rOTssmer/1oF9vomhwXGv+w+khpVNZFVMtgnZYQy3TQiONvgA84cEWeZjuhm7iM54F3HJKBPG8x6n5JC+d/Ct1qSmWFSoz72qVUf8lFIUcXe2ki5hVXDfQVQJYyntd+BGaEb/C45R/D8NClXMkzSPjHKH5NFrdyQGn2Msf5WDne51n+UvHEbdE/KqYbstp5S33mdEgjAL5O78ua6wPHNxuyHl5P+BFAjAZneWF8NnfUB/IKehveToqovtUdMCS33+4DxbLw14PbfY0RkwoEppgJqMag== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, May 11, 2026 at 03:49:36PM -0700, Shakeel Butt wrote: > On Mon, May 11, 2026 at 10:20:36PM +0200, Alexandre Ghiti wrote: > > flush_nmi_stats() drains per-node NMI slab atomics into the per-node > > lruvec_stats, but does not propagate them to the memcg-level vmstats. > > > > This is inconsistent with account_slab_nmi_safe() which updates both, > [...] > > > so fix this by propagating the NMI slab stats to the memcg-level vmstats. > > > > Fixes: 940b01fc8dc1 ("memcg: nmi safe memcg stats for specific archs") > > Signed-off-by: Alexandre Ghiti Please resend this patch as independent patch and CC stable.