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[47.72.151.34]) by smtp.gmail.com with ESMTPSA id g12-20020a056a001a0c00b004e1307b249csm17029879pfv.69.2022.03.20.15.08.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 20 Mar 2022 15:09:01 -0700 (PDT) From: Barry Song <21cnbao@gmail.com> To: walken@google.com Cc: Liam.Howlett@oracle.com, akpm@linux-foundation.org, dave@stgolabs.net, jglisse@redhat.com, ldufour@linux.ibm.com, linux-mm@kvack.org, peterz@infradead.org, rientjes@google.com, vbabka@suse.cz, willy@infradead.org Subject: Re: [RFC PATCH 00/24] Fine grained MM locking Date: Mon, 21 Mar 2022 11:08:48 +1300 Message-Id: <20220320220848.15367-1-21cnbao@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200224203057.162467-1-walken@google.com> References: <20200224203057.162467-1-walken@google.com> MIME-Version: 1.0 X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: D9DDDC0017 X-Stat-Signature: j1jn8gmjfcdr49a64ttr85ui8epgd311 Authentication-Results: imf10.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=q2xE1I0P; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (imf10.hostedemail.com: domain of 21cnbao@gmail.com designates 209.85.210.181 as permitted sender) smtp.mailfrom=21cnbao@gmail.com X-Rspam-User: X-HE-Tag: 1647814142-333033 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.002595, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: > Hi, >=20 > This is the first version of my work towards fine grained MM locking. > This is still early work - I am happy with my page fault changes, > but want to expand on the mmap/munmap side of things before I send the > next version. I have previously shared this with some of the copied fol= ks > (for those who received that, there are no additional changes in this > public resend). Please expect a v2 within a few weeks, with further > changes for fine grained range locking in the mmap and munmap paths. hello, Michel. I noticed rwsem has been renamed to mmap_lock and some apis were created for taking the lock. but is the original fine grained mm locking series still under development? maybe i missed something but i failed to find v2 for it. Thanks Barry