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Thu, 28 Jan 2021 15:42:27 -0800 (PST) Received: from localhost ([2620:10d:c091:480::1:86fa]) by smtp.gmail.com with ESMTPSA id w28sm4394354qtv.93.2021.01.28.15.42.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 Jan 2021 15:42:26 -0800 (PST) Date: Thu, 28 Jan 2021 18:41:34 -0500 From: Tejun Heo To: Saravanan D Cc: x86@kernel.org, dave.hansen@linux.intel.com, luto@kernel.org, peterz@infradead.org, willy@infradead.org, linux-kernel@vger.kernel.org, kernel-team@fb.com, linux-mm@kvack.org, songliubraving@fb.com, hannes@cmpxchg.org Subject: Re: [PATCH V6] x86/mm: Tracking linear mapping split events Message-ID: References: <20210128212048.oopcyfdf4j2lc663@devvm1945.atn0.facebook.com> <20210128233430.1460964-1-saravanand@fb.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210128233430.1460964-1-saravanand@fb.com> X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu, Jan 28, 2021 at 03:34:30PM -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 Thanks. -- tejun