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t=1766059908; bh=ipI3gqtuXeH8Ewu4AyGr2xi/tSRvuGR+xxhOF1hRRs4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=tifMOqAT2f2HQ4jFq5UqKvTU0mF0DIM0ZYg4EcGmCcHD3ApJwCUlaEkx6WrErE83W zfVw+lvsLSuw3BAAGLDj/rfEui+S/6bV25HghWqJhKBGp4e+fYUCabjUaNgq25cdrD fZiEnD2vP+zR4cz6ocWYmBpyirf1rop1A/XYuEpMGleN/Q5WWurzifZBJmaMOrXpih Y5WOnDjFSyI488CRoaOk3uHWiKTuCN0UxLHysQSEoypsYPCJPwmYgE4blkiDEBHUgH 5Sd1mLAEAEZXZVQrVYb8pkkWpGDP9UkfhtdfShTLC1WXDD/0oDNb1BM3X/fU2Pl5rT P+LSgV6IuayVQ== Date: Thu, 18 Dec 2025 14:11:37 +0200 From: Mike Rapoport To: Tao pilgrim Cc: davem@davemloft.net, andreas@gaisler.com, akpm@linux-foundation.org, david@kernel.org, lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, vbabka@suse.cz, surenb@google.com, mhocko@suse.com, kevin.brodsky@arm.com, dave.hansen@linux.intel.com, ziy@nvidia.com, chengkaitao@kylinos.cn, willy@infradead.org, zhengqi.arch@bytedance.com, sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH] sparc: Use vmemmap_populate_hugepages for vmemmap_populate Message-ID: References: <20251217120858.18713-1-pilgrimtao@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Rspam-User: X-Rspamd-Queue-Id: D05C016000E X-Rspamd-Server: rspam04 X-Stat-Signature: wa9gwm5ycyeku599ka8e8i5dz9a9rym9 X-HE-Tag: 1766059908-840496 X-HE-Meta: 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 vv1rHGvj +b4U5Ji3n61VMfi4nFeaQygCT2c2lm476sVkjkaMMl9RbYwfinr8lE8uicU4qtuJ3wMxexu+bpt2xih7rH45qcHngi3P/GXo5ArIvQ82kU7GiWeTqO4kZSFH7+DTDk0aHsBq5w4Z/QmnSM3fpMmunlyYN7YWZYYGyK3C2s3Sz5j+95FVb1NEgOdgyMl1D2r/B9nJ1j6b9h3PceNYtyqrkIwJT9/qMs7ohpQPrp0b6msFsJJn5Fe2P72ia0Mf/jv9iXOFFu168CmD+l3UhDg2oyDcng9kfwXQ45JsP0VbNa0Bdqop/CakSNEO4vx88HyWYKtt58lQI3A96V4N5OW7oNDXSbsiGkdWUn58U 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: List-Subscribe: List-Unsubscribe: On Thu, Dec 18, 2025 at 07:45:52PM +0800, Tao pilgrim wrote: > On Thu, Dec 18, 2025 at 7:14 PM Mike Rapoport wrote: > > > > On Wed, Dec 17, 2025 at 08:08:58PM +0800, chengkaitao wrote: > > > From: Chengkaitao > > > > > > 1. Added the vmemmap_false_pmd function to accommodate architectures > > > that do not support basepages. > > > 2. In the SPARC architecture, reimplemented vmemmap_populate using > > > vmemmap_populate_hugepages. > > > > What problem this patch is trying to solve? > > Following the pattern established by other architectures, vmemmap_populate > is reimplemented using vmemmap_populate_hugepages in the SPARC architecture, > which fulfills the intended purpose of vmemmap_populate_hugepages. But what's wrong with the current sparc::vmemmap_populate()? > The functional logic remains unchanged. > > > > Signed-off-by: Chengkaitao > > > --- > > -- > Yours, > Kaitao Cheng -- Sincerely yours, Mike.