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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 Content-Language: en-US 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> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org 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