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Wed, 07 Jun 2023 22:45:48 -0700 (PDT) MIME-Version: 1.0 References: <20230531154836.1366225-1-catalin.marinas@arm.com> In-Reply-To: <20230531154836.1366225-1-catalin.marinas@arm.com> From: Isaac Manjarres Date: Wed, 7 Jun 2023 22:45:36 -0700 Message-ID: Subject: Re: [PATCH v6 00/17] mm, dma, arm64: Reduce ARCH_KMALLOC_MINALIGN to 8 To: Catalin Marinas Cc: Linus Torvalds , Christoph Hellwig , Robin Murphy , Arnd Bergmann , Greg Kroah-Hartman , Will Deacon , Marc Zyngier , Andrew Morton , Herbert Xu , Ard Biesheuvel , Saravana Kannan , Alasdair Kergon , Daniel Vetter , Joerg Roedel , Mark Brown , Mike Snitzer , "Rafael J. Wysocki" , Jonathan Cameron , linux-mm@kvack.org, iommu@lists.linux.dev, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Stat-Signature: y9wqpiniooggacoy8m571xud1ag66ay5 X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 2D31E1A0009 X-Rspam-User: X-HE-Tag: 1686203149-282263 X-HE-Meta: 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 jx9oLHeH YXANisEvC9B+nGQrQHqRGOGPxnnN/G+YI4rvpkwKLgc/zIu7TSJTHiSzP1Zl7EqCh6JJgYTZLO1NGyk8RIOBiOKCFjShgyi9ajjCQo9qAcc2++OgBG2JF7w2NRvT107x2GP3HHYOjT69U32Brjao9qhJ1kCA+CPqjfT7qDhHVsH2ctRwq8dHvEj+r4lc1YlJAOnNRH+O1K8OPGEbj3dYZeIaL9JfX0gSOd6eJnGtMk8U9IGCSZSx/NDDVZRecgArvAnz1GeFES7/1+l33WlkQXLcF1oCxWM/RhQnZDpJKrpKhzP0vh0Ca24JUd59SypuOqb6HnFoujKHK+TtKbbXn7FfJeLn1CuQhPzLYrz6YjiSS6h4= 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 Wed, May 31, 2023 at 8:48=E2=80=AFAM Catalin Marinas wrote: > Here's version 6 of the series reducing the kmalloc() minimum alignment > on arm64 to 8 (from 128). There are patches already to do the same for > riscv (pretty straight-forward after this series). Thanks, Catalin for getting these patches out. Please add my "Tested-by:" t= ag for the series: Tested-by: Isaac J. Manjarres With the first 11 patches, I observed a reduction of 18.4 MB in the slab memory footprint on my Pixel 6 device. After applying the rest of the patches in the series, I observed a total reduction of 26.5 MB in the slab memory footprint on my device. These are great results! --Isaac