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Mon, 16 May 2022 20:26:41 -0700 (PDT) Date: Tue, 17 May 2022 11:26:38 +0800 From: Muchun Song To: Andrew Morton Cc: corbet@lwn.net, mike.kravetz@oracle.com, mcgrof@kernel.org, keescook@chromium.org, yzaikin@google.com, osalvador@suse.de, david@redhat.com, masahiroy@kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, duanxiongchun@bytedance.com, smuchun@gmail.com Subject: Re: [PATCH v12 0/7] add hugetlb_optimize_vmemmap sysctl Message-ID: References: <20220516102211.41557-1-songmuchun@bytedance.com> <20220516114620.d4d85cb35690b4c8265953d6@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220516114620.d4d85cb35690b4c8265953d6@linux-foundation.org> X-Rspamd-Queue-Id: A3849400B8 X-Stat-Signature: eeb8hp88ea9zwy8jp3na356xrou9fuia Authentication-Results: imf07.hostedemail.com; dkim=pass header.d=bytedance-com.20210112.gappssmtp.com header.s=20210112 header.b=Ed3d1Gbh; dmarc=pass (policy=none) header.from=bytedance.com; spf=pass (imf07.hostedemail.com: domain of songmuchun@bytedance.com designates 209.85.215.181 as permitted sender) smtp.mailfrom=songmuchun@bytedance.com X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1652757995-287864 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, May 16, 2022 at 11:46:20AM -0700, Andrew Morton wrote: > On Mon, 16 May 2022 18:22:04 +0800 Muchun Song wrote: > > > This series amis to add hugetlb_optimize_vmemmap sysctl to enable or disable > > the feature of optimizing vmemmap pages associated with HugeTLB pages. > > > > v12: > > - Add patch 3 and patch 4 to handle the coexistence of hugetlb_free_vmemmap > > and memory_hotplug.memmap_on_memory (David). > > - Remove Reviewed-by from Mike in the last parch since it is changed. > > v11 is in mm-stable now, so please send patches against that. AFAICT > that will be quite straightforward. > IIUC, the mm-stable is introduced recently, and we consider those commits in mm-stable are stable (meanning the commit sha1 is stable as well). I'll send a new patchset based on mm-stable. Thanks.