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[90.235.19.70]) by smtp.gmail.com with ESMTPSA id a6-20020a2e8606000000b002ac7c9d2806sm1696963lji.50.2023.05.23.09.47.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 23 May 2023 09:47:04 -0700 (PDT) From: Uladzislau Rezki X-Google-Original-From: Uladzislau Rezki Date: Tue, 23 May 2023 18:47:02 +0200 To: Thomas Gleixner Cc: Christoph Hellwig , linux-mm@kvack.org, Andrew Morton , Uladzislau Rezki , Lorenzo Stoakes , Peter Zijlstra , Baoquan He Subject: Re: [patch 1/6] mm/vmalloc: Prevent stale TLBs in fully utilized blocks Message-ID: References: <20230523135902.517032811@linutronix.de> <20230523140002.575854344@linutronix.de> <20230523151721.GA12341@lst.de> <87bkibuhkn.ffs@tglx> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87bkibuhkn.ffs@tglx> X-Stat-Signature: 1wwh9sufo7eyn8m1a4usaki6k9se4hy8 X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: ADA68120013 X-Rspam-User: X-HE-Tag: 1684860427-494178 X-HE-Meta: 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 XPP/OxpN fP3Ml2ANCTyGFofvNjKjloE/fxgSmkiRwZDN4SFJDIpBWkkJtoLclhvtbMO5bTM72AObmCzh5Vvpinch3OVkDTgsY0csUoO1cPGP+Vne3M5TWxVriCmKTf1AtQBrDuA78q8H7MwadNP4k1SCyZezi6SX1TdO84T4Q+Z90zoDMZVr+Ej6kvRxQp8QpCA90SabfV6uB0a9ByIsYfblIh9ZQG0yrDwiKSHvbJAeZBwvUpWOCHVHr/lhgTxb1opbNm5F+IH8B0+A3MXX5IdDyBtldNxG6qT53dhID0MQIlYCBL2EvKz6me+8MMZyk1w0lzHhEMvvZjbBd2yTVL05nFTA8L16oBZQEyckCUOGqPorvlLNYJfkt0dC6Qziz9Va0196O0xWHBofQ0bEcb50= 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 Tue, May 23, 2023 at 06:40:40PM +0200, Thomas Gleixner wrote: > On Tue, May 23 2023 at 17:17, Christoph Hellwig wrote: > > Looks good: > > > > Reviewed-by: Christoph Hellwig > > Thanks! > > This probably wants a Fixes tag and if I'm not completely off then this > problem exists since 2.6.28: db64fe02258f ("mm: rewrite vmap layer") > Yes. This code is quite old and the commit, you pointed looks correct. -- Uladzislau Rezki