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Thu, 30 Apr 2026 03:25:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777519558; bh=Gdp4vkpY3OWdrZmj6MnO4StGWD3Debys2l2muIOhkFA=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=sCAQnthw0OckKXZO6x/qlAXlkm3PLrDJ5UCQPIaxPTmeHXivI8BUebUCMqXtrSrS5 ycbZA6dI+TYjbkodgrkOGHjHHCi3vWD9sR/+qZxRozBig6oZj0B4quAoubPGs1jyyt PG6udE2/TwpTXZH1+QlMFNDx6O0VW/7j5EmGWb+ZOet5eD+DEcj3LIRbpsxwkXJyq4 1dIKTmZznzAI1yNeEJ2sgsW6b3umMsdpQHghvmJyFdZ/QNVV8/VS4eFOTe5NCMEBAQ LVMpV68lCDytpgtZlgzNQLnEzJdciZiKTtVC9Gh/yuSwg6kNujg/UbaaOArleSR8dZ zcS9ACifyzHeg== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 3FCD33809A07; Thu, 30 Apr 2026 03:25:15 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCHv7 RESEND 00/17] mm: Eliminate fake head pages from vmemmap optimization From: patchwork-bot+linux-riscv@kernel.org Message-Id: <177751951380.2274119.11967025926304588817.git-patchwork-notify@kernel.org> Date: Thu, 30 Apr 2026 03:25:13 +0000 References: <20260227194302.274384-1-kas@kernel.org> In-Reply-To: <20260227194302.274384-1-kas@kernel.org> To: Kiryl Shutsemau (Meta) Cc: linux-riscv@lists.infradead.org, akpm@linux-foundation.org, muchun.song@linux.dev, david@kernel.org, willy@infradead.org, usamaarif642@gmail.com, fvdl@google.com, osalvador@suse.de, rppt@kernel.org, vbabka@suse.cz, lorenzo.stoakes@oracle.com, ziy@nvidia.com, bhe@redhat.com, mhocko@suse.com, hannes@cmpxchg.org, corbet@lwn.net, chenhuacai@kernel.org, kernel@xen0n.name, palmer@dabbelt.com, paul.walmsley@sifive.com, aou@eecs.berkeley.edu, alex@ghiti.fr, kernel-team@meta.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, loongarch@lists.linux.dev X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 3B6D8180005 X-Rspam-User: X-Stat-Signature: oggsjbqaowcs6uk7qow5uaeaf6u934xi X-HE-Tag: 1777519560-318817 X-HE-Meta: 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 qwUZdHrB TECcUv/jRMvB1hnZpDGHOQhQOPVzlMNtGKg6G/TSXUlYxY9wcuLQOf4oBY3/sDMz8/pOGF/YA7onae52+di2dWHz/VWx2Abmdd4Dlr8Wpox/J3/qhj2/J+8TrHadlfBstyhMWHGTBx1sH3U8xK7CxMi1A89fgpXF3pnM9mf3S29ORQ0Gi5lYpFXJlEH1hc/+KSa+kvn17TK2SFl00wAzRASUX9GonCKP+JY86v+kH5hRvOMCAdDwQK8BkL6qAs5GUY7nmSGbT8K91kmHUfhAPbETD8gOWFOVLS9TJxvAwDNWvKoEZfNnmOpDNKDG+jD3avzpFs1pcJzBgRrjkmWsqaPH+uSYRnp+BLPDTyGaupKRtYlSQT8KYrxBOie+DXhQYjL2Zfxbd0O9EJck6yVmtGB/PTq2DJWP105fO9opxhPfk5zTHcEBzjfqwJA== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hello: This series was applied to riscv/linux.git (fixes) by Andrew Morton : On Fri, 27 Feb 2026 19:42:38 +0000 you wrote: > This series removes "fake head pages" from the HugeTLB vmemmap > optimization (HVO) by changing how tail pages encode their relationship > to the head page. > > It simplifies compound_head() and page_ref_add_unless(). Both are in the > hot path. > > [...] Here is the summary with links: - [PATCHv7,01/18] mm: Move MAX_FOLIO_ORDER definition to mmzone.h https://git.kernel.org/riscv/c/a2c77ec320a9 - [PATCHv7,02/18] mm: Change the interface of prep_compound_tail() https://git.kernel.org/riscv/c/f0369fb13619 - [PATCHv7,03/18] mm: Rename the 'compound_head' field in the 'struct page' to 'compound_info' https://git.kernel.org/riscv/c/d50569612c29 - [PATCHv7,04/18] mm: Move set/clear_compound_head() next to compound_head() https://git.kernel.org/riscv/c/67c79a5af051 - [PATCHv7,05/18] riscv/mm: Align vmemmap to maximal folio size https://git.kernel.org/riscv/c/476849b0fba4 - [PATCHv7,06/18] LoongArch/mm: Align vmemmap to maximal folio size https://git.kernel.org/riscv/c/2969b42c8f99 - [PATCHv7,07/18] mm: Rework compound_head() for power-of-2 sizeof(struct page) https://git.kernel.org/riscv/c/8c846c879e22 - [PATCHv7,08/18] mm/sparse: Check memmap alignment for compound_info_has_mask() https://git.kernel.org/riscv/c/9f94db4c7eaa - [PATCHv7,09/18] mm/hugetlb: Defer vmemmap population for bootmem hugepages https://git.kernel.org/riscv/c/209e6d9eb13a - [PATCHv7,10/18] mm/hugetlb: Refactor code around vmemmap_walk https://git.kernel.org/riscv/c/c0b495b91a47 - [PATCHv7,11/18] x86/vdso: Undefine CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP for vdso32 https://git.kernel.org/riscv/c/76351f2f0c27 - [PATCHv7,12/18] mm/hugetlb: Remove fake head pages https://git.kernel.org/riscv/c/622026e87c40 - [PATCHv7,13/18] mm: Drop fake head checks https://git.kernel.org/riscv/c/32c440d67e6c - [PATCHv7,14/18] hugetlb: Remove VMEMMAP_SYNCHRONIZE_RCU https://git.kernel.org/riscv/c/01b1d0ffb6f7 - [PATCHv7,15/18] mm/hugetlb: Remove hugetlb_optimize_vmemmap_key static key https://git.kernel.org/riscv/c/da3e2d1ca43d - [PATCHv7,16/18] mm: Remove the branch from compound_head() https://git.kernel.org/riscv/c/66b2a3d9ae46 - [PATCHv7,17/18] hugetlb: Update vmemmap_dedup.rst (no matching commit) - [PATCHv7,18/18] mm/slab: Use compound_head() in page_slab() https://git.kernel.org/riscv/c/8231e4c040fb You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html