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h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=ndjJELwQ00jfUUu4QE3U7V/TbuRaLlN9kEjgdJZDUuCcEISM/NnLTyLrzcs+K9BJ1 fI8nv3O6Mpfy/cpFrC9D/0QZ7ciR8i0hz7mlaGQszBwWozyQ7r5V1HXV/xSCT0Sw7s hkXSuekC19dp6LI0q1XVF/AdBon2kMgJps4F3hdM581LZnENOmhla88LMlNLxWGY8X nkKbtoPr+5s1J64i+d6/sVQWUdflVO8s8AvOf0B4Z+X3isOjwrDjd0ZprEZOpRMD0h 5KeGku2mxlOJHfdTerlNkDdw7qCjO5jAK3r2DJYE12+Sa7QkEVZL7nemm4kWTo3oxV NADvmXqffDfUw== Received: by mail-qv1-f50.google.com with SMTP id 6a1803df08f44-8a48deebe95so39972396d6.0 for ; Mon, 13 Apr 2026 12:56:23 -0700 (PDT) X-Forwarded-Encrypted: i=1; AFNElJ9grbokNl9NOinRXX+U1SrLTMGCZ5Zj8ys+vMAOjSdtOFG92lz9Hj+X+S22bWLHHbAipYL1+sleLw==@kvack.org X-Gm-Message-State: AOJu0YxpxpQFYc3feXpY6G0MbpOLKLQkiqozZr1fkXGUYDRIEUizQXSc LNp0StwtIxCWaCIh69PWEQCP00Z8lHJ6j9rFG3EWs/YmbJKbevakVM4NfPybumYbDOyrzy1++ED 7kgo1y3UgP5xM4J1UK2WwoBkl4y8EDS8= X-Received: by 2002:a0c:f089:0:b0:89c:3f22:c89e with SMTP id 6a1803df08f44-8ac861fd45amr198886606d6.24.1776110183171; Mon, 13 Apr 2026 12:56:23 -0700 (PDT) MIME-Version: 1.0 References: <20260408025115.27368-1-baohua@kernel.org> <20260408025115.27368-6-baohua@kernel.org> <1ed24e47-538a-493d-bf37-af76a789ce76@kernel.org> In-Reply-To: <1ed24e47-538a-493d-bf37-af76a789ce76@kernel.org> From: Barry Song Date: Tue, 14 Apr 2026 03:56:11 +0800 X-Gmail-Original-Message-ID: X-Gm-Features: AQROBzDWhDQICY-Pnn48ck6WscmI_XxZpwQTOCJY4g88d1Mu5VWOkHuK1ofhJd8 Message-ID: Subject: Re: [RFC PATCH 5/8] mm/vmalloc: map contiguous pages in batches for vmap() if possible To: "David Hildenbrand (Arm)" Cc: Uladzislau Rezki , Dev Jain , linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, catalin.marinas@arm.com, will@kernel.org, akpm@linux-foundation.org, linux-kernel@vger.kernel.org, anshuman.khandual@arm.com, ryan.roberts@arm.com, ajd@linux.ibm.com, rppt@kernel.org, Xueyuan.chen21@gmail.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: A170510000A X-Stat-Signature: wghtyraaymbr1ngrn1p3b1eukuawiqzz X-Rspam-User: X-Rspamd-Server: rspam07 X-HE-Tag: 1776110184-116076 X-HE-Meta: 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 jbp2L3q4 7lMl3lpSBXdrN2c4sAAZqgnvy26Tnt8WhyUffHrgeOoJmKLZFr5wG8/ukNI2mY30qdAxplakDyOYrqS//yTyYbHoixKx9wleGnS2nBRHPDEA/EpiIfEWpqgBGwH84wfGfcPpw5VEZI500VRIKd8fSIu36CWwO+r71gqW/vd+XMuXm9ftmTfjz/6Y+EwryGxCNkUJKpqpCb5dPfWhzE/T3f/re0UqOL0FDfwxlX55x7DEcODVDBPoEaKcWqfoTSFkQc0ieTP2+DlgAOOlkCr2rBjmPa42EoFEO1KrEO7U4GPaCyOSJjl0fuI0WqKoSHirIU+N9o+mfWUJ59n+ksOZstgMyfaDK6AlN46xzMraeV3voTc6RQ7nj/kMjr+mDxLsTYK3LC/P+WZdjLnhUGR73WbRigw== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, Apr 14, 2026 at 3:24=E2=80=AFAM David Hildenbrand (Arm) wrote: > > On 4/10/26 03:02, Barry Song wrote: > > On Thu, Apr 9, 2026 at 6:20=E2=80=AFPM Uladzislau Rezki wrote: > > [...] > >>> > >> It would be good if you could combine the work together with Jain. > >> > > > > Sure, thanks! After discussing with Dev Jain, we=E2=80=99ll also > > support non-compound pages in the next version. > > Will there be a v3 or should I review v2? > > https://lore.kernel.org/r/20260404084333.55984-1-baohua@kernel.org Hi David, sorry for the confusion. During development, I found many more opportunities across vmalloc, ioremap, and vmap, so I dropped the original approach that only targeted vmap. Let me reply there and say that it has been withdrawn. > > -- > Cheers, > > David