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(p200300cbc7030d00ca74d9ea11e00dfb.dip0.t-ipconnect.de. [2003:cb:c703:d00:ca74:d9ea:11e0:dfb]) by smtp.gmail.com with ESMTPSA id e13-20020a056000120d00b002d7a75a2c20sm6918238wrx.80.2023.03.22.10.14.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 22 Mar 2023 10:14:57 -0700 (PDT) Message-ID: Date: Wed, 22 Mar 2023 18:14:55 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.9.0 Subject: Re: [PATCH] loongarch: drop ranges for definition of ARCH_FORCE_MAX_ORDER To: Mike Rapoport , Huacai Chen , WANG Xuerui Cc: Andrew Morton , "Kirill A. Shutemov" , "Kirill A. Shutemov" , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-mips@vger.kernel.org References: <20230322081727.2516291-1-rppt@kernel.org> From: David Hildenbrand Organization: Red Hat In-Reply-To: <20230322081727.2516291-1-rppt@kernel.org> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Stat-Signature: u139su17gwtnfmu3ewgzdg5godezzxz6 X-Rspam-User: X-Rspamd-Queue-Id: 980E4120010 X-Rspamd-Server: rspam06 X-HE-Tag: 1679505301-997777 X-HE-Meta: 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 ZR83gt8g 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 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 22.03.23 09:17, Mike Rapoport wrote: > From: "Mike Rapoport (IBM)" > > LoongArch defines insane ranges for ARCH_FORCE_MAX_ORDER allowing > MAX_ORDER up to 63, which implies maximal contiguous allocation size of > 2^63 pages. > > Drop bogus definitions of ranges for ARCH_FORCE_MAX_ORDER and leave it a > simple integer with sensible defaults. > > Users that *really* need to change the value of ARCH_FORCE_MAX_ORDER > will be able to do so but they won't be mislead by the bogus ranges. > > Signed-off-by: Mike Rapoport (IBM) > --- > > This applies to akpm/mm-unstable tree > > arch/loongarch/Kconfig | 3 --- > 1 file changed, 3 deletions(-) > > diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig > index 272a3a12c98d..e1e3a3828962 100644 > --- a/arch/loongarch/Kconfig > +++ b/arch/loongarch/Kconfig > @@ -420,11 +420,8 @@ config NODES_SHIFT > > config ARCH_FORCE_MAX_ORDER > int "Maximum zone order" > - range 13 63 if PAGE_SIZE_64KB > default "13" if PAGE_SIZE_64KB > - range 11 63 if PAGE_SIZE_16KB > default "11" if PAGE_SIZE_16KB > - range 10 63 > default "10" > help > The kernel memory allocator divides physically contiguous memory Reviewed-by: David Hildenbrand -- Thanks, David / dhildenb