From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roman Gushchin Subject: Re: [PATCH v2 0/5] Introduce memcg_stock_pcp remote draining Date: Fri, 3 Feb 2023 11:25:16 -0800 Message-ID: References: <9e61ab53e1419a144f774b95230b789244895424.camel@redhat.com> Mime-Version: 1.0 Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1675452324; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=xemEPS75g6CyaGYVTuNx4T5APXnPBUE9kBl1lVKlrTM=; b=ah/EreyLTKURus8ZQYbvdkwIeyZn+6VcKKQqlNdRE+EKzIxTpJdYzfdCWnCx8dIjocnERr FabQHAoVFjL7/nCF4j6JwNDZ3IxOsSqSwgKBVNOg8H1r2A4U/yDR8aWkgHFDw5EsvHH5ad z01tV+bx4YqgPBnEsnYYSL0KSmKrlEo= Content-Disposition: inline In-Reply-To: List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Michal Hocko Cc: Marcelo Tosatti , Leonardo =?iso-8859-1?Q?Br=E1s?= , Johannes Weiner , Shakeel Butt , Muchun Song , Andrew Morton , cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Frederic Weisbecker On Fri, Feb 03, 2023 at 04:21:09PM +0100, Michal Hocko wrote: > OK, so this is a speculative patch. cpu_is_isolated doesn't exist yet. I > have talked to Frederic off-list and he is working on an implementation. > I will be offline next whole week (will be back Feb 13th) so I am > sending this early but this patch cannot be merged without his one of > course. > > I have tried to summarize the reasoning behind both approach should we > ever need to revisit this approach. For now I strongly believe a simpler > solution should be preferred. > > Roman, I have added your ack as you indicated but if you disagree with > the reasoning please let me know. Great, thank you for preparing it up! Really nice summary. My ack definitely applies. If you want, feel free to add a "Suggested-by: Roman Gushchin " tag to blame me later :) Thank you!