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([2620:10d:c092:500::7:6466]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-aba53376966sm890128366b.112.2025.02.17.06.53.51 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 17 Feb 2025 06:53:52 -0800 (PST) Message-ID: Date: Mon, 17 Feb 2025 14:53:51 +0000 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC v2 0/5] mm: introduce THP deferred setting To: Nico Pache , linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org Cc: ryan.roberts@arm.com, anshuman.khandual@arm.com, catalin.marinas@arm.com, cl@gentwo.org, vbabka@suse.cz, mhocko@suse.com, apopple@nvidia.com, dave.hansen@linux.intel.com, will@kernel.org, baohua@kernel.org, jack@suse.cz, srivatsa@csail.mit.edu, haowenchao22@gmail.com, hughd@google.com, aneesh.kumar@kernel.org, yang@os.amperecomputing.com, peterx@redhat.com, ioworker0@gmail.com, wangkefeng.wang@huawei.com, ziy@nvidia.com, jglisse@google.com, surenb@google.com, vishal.moola@gmail.com, zokeefe@google.com, zhengqi.arch@bytedance.com, jhubbard@nvidia.com, 21cnbao@gmail.com, willy@infradead.org, kirill.shutemov@linux.intel.com, david@redhat.com, aarcange@redhat.com, raquini@redhat.com, dev.jain@arm.com, sunnanyong@huawei.com, audra@redhat.com, akpm@linux-foundation.org, rostedt@goodmis.org, mathieu.desnoyers@efficios.com, tiwai@suse.de, baolin.wang@linux.alibaba.com, corbet@lwn.net, shuah@kernel.org References: <20250211004054.222931-1-npache@redhat.com> Content-Language: en-US From: Usama Arif In-Reply-To: <20250211004054.222931-1-npache@redhat.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Queue-Id: D896916000E X-Rspamd-Server: rspam07 X-Stat-Signature: dyjnt8nmyi7gnwg5rard6jbnat9jzg1g X-HE-Tag: 1739804034-100674 X-HE-Meta: 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 A8Hep7gt 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.002583, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 11/02/2025 00:40, Nico Pache wrote: > This series is a follow-up to [1], which adds mTHP support to khugepaged. > mTHP khugepaged support was necessary for the global="defer" and > mTHP="inherit" case (and others) to make sense. > Hi Nico, Thanks for the patches! Why is mTHP khugepaged a prerequisite for THP=defer? THP=defer applies to PMD hugepages as well, so they should be independent.