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[2603:7000:9602:8233:6d4:c4ff:fe48:9d05]) by smtp.gmail.com with ESMTPSA id z31sm12834974qtb.0.2021.03.01.14.43.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 01 Mar 2021 14:43:31 -0800 (PST) Sender: Tejun Heo Date: Mon, 1 Mar 2021 17:43:31 -0500 From: Tejun Heo To: Saravanan D Cc: akpm@linux-foundation.org, mingo@redhat.com, x86@kernel.org, dave.hansen@linux.intel.com, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, kernel-team@fb.com Subject: Re: [PATCH V6] x86/mm: Tracking linear mapping split events Message-ID: References: <20210218235744.1040634-1-saravanand@fb.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210218235744.1040634-1-saravanand@fb.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, On Thu, Feb 18, 2021 at 03:57:44PM -0800, Saravanan D wrote: > To help with debugging the sluggishness caused by TLB miss/reload, > we introduce monotonic hugepage [direct mapped] split event counts since > system state: SYSTEM_RUNNING to be displayed as part of > /proc/vmstat in x86 servers ... > Signed-off-by: Saravanan D > Acked-by: Tejun Heo > Acked-by: Johannes Weiner > Acked-by: Dave Hansen Andrew, do you mind picking this one up? It has enough acks and can go through either mm or x86 tree. Thank you. -- tejun