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a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=QEuYlxaghpgWF2p5OUfw9hRKqdJnGRCmq90AXOuejGU=; b=sNFINmZXkPYwc821DEq4Itgnv7PCvw1ItdptNyO6rHU5Bg/qBAG22gxCQkC/kG2Lne o7NZm9Bc1SycMsUNnJ0li99Y5aZkyWJBxCtPUzuBdfWPcxbifLE5IoTL/58Hr1HH1zeY 8WItO5K8wANn8RvxyrLXW3Tn77hit+mBGi+h3n9AIB05zM7vA/9THwfngLCfIypfB2w1 MsxXVqokg6dJMtah4ODfsVp2P1AC1aovSCgVXWGyfwcJ6eZDJo3ZzDFawUPV21hD7Ftd P56hKNod6wmOeoM2KXvUSTCX70+dYl+CsKWI7Pv5+CP1vqsgJX3QmASvEewiCfw1dorO ZfCQ== X-Gm-Message-State: ANhLgQ2DUIB6qG0OjTIK4+gAgAnPSxl/yvtW/qfRQAuxN899kJ6SEMsh XwG7CRzrVuOwYZxFuxNLYwICyCYD6HolvJcDk3yF5w== X-Google-Smtp-Source: ADFU+vtBxnTz2QBJIDkSVPYlpKleGGK1ca0DAH/injUpPrVGWi+vIqGYuB7A1hrRam1e7/mwSm5ajjiQswx4Jwdrhqo= X-Received: by 2002:aca:5d83:: with SMTP id r125mr1504637oib.8.1585007011359; Mon, 23 Mar 2020 16:43:31 -0700 (PDT) MIME-Version: 1.0 References: <20200318220634.32100-1-mike.kravetz@oracle.com> <20200318220634.32100-2-mike.kravetz@oracle.com> In-Reply-To: <20200318220634.32100-2-mike.kravetz@oracle.com> From: Mina Almasry Date: Mon, 23 Mar 2020 16:43:19 -0700 Message-ID: Subject: Re: [PATCH 1/4] hugetlbfs: add arch_hugetlb_valid_size To: Mike Kravetz X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200323_164334_939223_21138546 X-CRM114-Status: GOOD ( 14.84 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-doc@vger.kernel.org, Catalin Marinas , Dave Hansen , Heiko Carstens , Linux-MM , Paul Mackerras , sparclinux@vger.kernel.org, linux-riscv@lists.infradead.org, Will Deacon , linux-s390@vger.kernel.org, Jonathan Corbet , Christian Borntraeger , Ingo Molnar , Benjamin Herrenschmidt , Longpeng , Albert Ou , Vasily Gorbik , Paul Walmsley , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, open list , Palmer Dabbelt , Andrew Morton , linuxppc-dev@lists.ozlabs.org, "David S . Miller" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Mar 18, 2020 at 3:07 PM Mike Kravetz wrote: > > The architecture independent routine hugetlb_default_setup sets up > the default huge pages size. It has no way to verify if the passed > value is valid, so it accepts it and attempts to validate at a later > time. This requires undocumented cooperation between the arch specific > and arch independent code. > > For architectures that support more than one huge page size, provide > a routine arch_hugetlb_valid_size to validate a huge page size. > hugetlb_default_setup can use this to validate passed values. > > arch_hugetlb_valid_size will also be used in a subsequent patch to > move processing of the "hugepagesz=" in arch specific code to a common > routine in arch independent code. > > Signed-off-by: Mike Kravetz > --- > arch/arm64/include/asm/hugetlb.h | 2 ++ > arch/arm64/mm/hugetlbpage.c | 19 ++++++++++++++----- > arch/powerpc/include/asm/hugetlb.h | 3 +++ > arch/powerpc/mm/hugetlbpage.c | 20 +++++++++++++------- > arch/riscv/include/asm/hugetlb.h | 3 +++ > arch/riscv/mm/hugetlbpage.c | 28 ++++++++++++++++++---------- > arch/s390/include/asm/hugetlb.h | 3 +++ > arch/s390/mm/hugetlbpage.c | 18 +++++++++++++----- > arch/sparc/include/asm/hugetlb.h | 3 +++ > arch/sparc/mm/init_64.c | 23 ++++++++++++++++------- > arch/x86/include/asm/hugetlb.h | 3 +++ > arch/x86/mm/hugetlbpage.c | 21 +++++++++++++++------ > include/linux/hugetlb.h | 7 +++++++ > mm/hugetlb.c | 16 +++++++++++++--- > 14 files changed, 126 insertions(+), 43 deletions(-) > With build fixes: Acked-by: Mina Almasry _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel