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Wed, 20 May 2026 00:15:07 -0700 (PDT) Received: from milan ([2001:9b1:d5a0:a500::24b]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5a90f10c944sm4837460e87.6.2026.05.20.00.15.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 May 2026 00:15:07 -0700 (PDT) From: Uladzislau Rezki X-Google-Original-From: Uladzislau Rezki Date: Wed, 20 May 2026 09:15:05 +0200 To: Andrew Morton Cc: Wen Jiang , linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, catalin.marinas@arm.com, will@kernel.org, urezki@gmail.com, baohua@kernel.org, Xueyuan.chen21@gmail.com, dev.jain@arm.com, rppt@kernel.org, david@kernel.org, ryan.roberts@arm.com, anshuman.khandual@arm.com, ajd@linux.ibm.com, linux-kernel@vger.kernel.org, Wen Jiang Subject: Re: [PATCH v2 0/7] mm/vmalloc: Speed up ioremap, vmalloc and vmap with contiguous memory Message-ID: References: <20260514094108.2016201-1-jiangwen6@xiaomi.com> <20260519131738.11a78ba88e1be28ba5cb26eb@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20260519131738.11a78ba88e1be28ba5cb26eb@linux-foundation.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260520_001512_549070_694A46B3 X-CRM114-Status: GOOD ( 15.99 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, May 19, 2026 at 01:17:38PM -0700, Andrew Morton wrote: > On Thu, 14 May 2026 17:41:01 +0800 Wen Jiang wrote: > > > This patchset accelerates ioremap, vmalloc, and vmap when the memory > > is physically fully or partially contiguous. > > > > ... > > > > On the RK3588 8-core ARM64 SoC, with tasks pinned to a little core and > > the performance CPUfreq policy enabled, benchmark results: > > > > * ioremap(1 MB): 1.35× faster (3407 ns -> 2526 ns) > > * vmalloc(1 MB) mapping time (excluding allocation) with > > VM_ALLOW_HUGE_VMAP: 1.42× faster (5.00 us -> 3.53us) > > * vmap(100MB) with order-8 pages: 8.3× faster (1235 us -> 149 us) > > Nice. > > AI review found a bunch of things to ask about: > https://sashiko.dev/#/patchset/20260514094108.2016201-1-jiangwen6@xiaomi.com > > It doesn't appear that you'll be getting any more review on this > series, so please check the above questions and resend? > Actually i keep an eye on it and i have done some stability testing. So, just need some time. Fixing AI sounds good. -- Uladzislau Rezki