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[174.95.95.253]) by smtp.gmail.com with ESMTPSA id g21sm5407018qkk.72.2021.03.02.17.46.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Mar 2021 17:47:00 -0800 (PST) Date: Tue, 2 Mar 2021 20:46:55 -0500 From: Peter Xu To: Andrew Morton Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Gal Pressman , Matthew Wilcox , Wei Zhang , Mike Kravetz , Mike Rapoport , Christoph Hellwig , Linus Torvalds , David Gibson , Jason Gunthorpe , Jann Horn , Kirill Tkhai , Kirill Shutemov , Miaohe Lin , Andrea Arcangeli , Jan Kara Subject: Re: [PATCH v5 0/5] mm/hugetlb: Early cow on fork, and a few cleanups Message-ID: <20210303014655.GS397383@xz-x1> References: <20210217233547.93892-1-peterx@redhat.com> <20210301141151.GA397383@xz-x1> <20210301162846.c1f684a5662d37bbec3f1892@linux-foundation.org> MIME-Version: 1.0 In-Reply-To: <20210301162846.c1f684a5662d37bbec3f1892@linux-foundation.org> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=peterx@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline X-Stat-Signature: 11cdm3shuz6fr5fpqquk9oje5hz8xeha X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 5A37F20001EA Received-SPF: none (redhat.com>: No applicable sender policy available) receiver=imf01; identity=mailfrom; envelope-from=""; helo=us-smtp-delivery-124.mimecast.com; client-ip=63.128.21.124 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1614736023-356517 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 Mon, Mar 01, 2021 at 04:28:46PM -0800, Andrew Morton wrote: > On Mon, 1 Mar 2021 09:11:51 -0500 Peter Xu wrote: > > > On Wed, Feb 17, 2021 at 06:35:42PM -0500, Peter Xu wrote: > > > v5: > > > - patch 4: change "int cow" into "bool cow" > > > - collect r-bs for Jason > > > > Andrew, > > > > I just noticed 5.12-rc1 has released; is this series still possible to make it > > for 5.12, or needs to wait for 5.13? > > > > It has taken a while to settle down. What is the case for > fast-tracking it into 5.12? Andrew, As Jason and Wei pointed out, I think some userspace still got corrupted data without this series when using hugetlb backend. I don't think it'll suite for a late RC release but it'll still be great if it can be considered as an early rc candidate, ideally rc1 of course. If you prefer the other way, I can also repost it before 5.13 merge window opens. Thanks, -- Peter Xu