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(p200300cbc7030d00ca74d9ea11e00dfb.dip0.t-ipconnect.de. [2003:cb:c703:d00:ca74:d9ea:11e0:dfb]) by smtp.gmail.com with ESMTPSA id r6-20020a05600c35c600b003ed29189777sm24112940wmq.47.2023.03.22.10.14.44 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 22 Mar 2023 10:14:44 -0700 (PDT) Message-ID: Date: Wed, 22 Mar 2023 18:14:43 +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] mips: drop ranges for definition of ARCH_FORCE_MAX_ORDER Content-Language: en-US To: Mike Rapoport , Thomas Bogendoerfer Cc: Andrew Morton , Huacai Chen , "Kirill A. Shutemov" , "Kirill A. Shutemov" , WANG Xuerui , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-mips@vger.kernel.org References: <20230322081520.2516226-1-rppt@kernel.org> From: David Hildenbrand Organization: Red Hat In-Reply-To: <20230322081520.2516226-1-rppt@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-0.2 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 22.03.23 09:15, Mike Rapoport wrote: > From: "Mike Rapoport (IBM)" > > MIPS 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) > --- > arch/mips/Kconfig | 4 ---- > 1 file changed, 4 deletions(-) > > diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig > index 3e8b765b8c7b..a0f6e9d0a561 100644 > --- a/arch/mips/Kconfig > +++ b/arch/mips/Kconfig > @@ -2137,13 +2137,9 @@ endchoice > > config ARCH_FORCE_MAX_ORDER > int "Maximum zone order" > - range 13 63 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB > default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB > - range 12 63 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB > default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB > - range 11 63 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB > default "11" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB > - range 0 63 > default "10" > help > The kernel memory allocator divides physically contiguous memory Reviewed-by: David Hildenbrand -- Thanks, David / dhildenb