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[209.85.218.52]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ade1d755281sm763042266b.18.2025.06.10.10.28.02 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 10 Jun 2025 10:28:03 -0700 (PDT) Received: by mail-ej1-f52.google.com with SMTP id a640c23a62f3a-adb2bb25105so919694666b.0 for ; Tue, 10 Jun 2025 10:28:02 -0700 (PDT) X-Forwarded-Encrypted: i=1; AJvYcCUJ0UDzcOJ7vg9TJvXUDrQsz2G4CqBUuq2bLspPfhiQH6thPfNrciv9k7npFxW0kT4IbvcrGn9gEQ==@kvack.org X-Received: by 2002:a17:907:7f07:b0:ade:f72:435 with SMTP id a640c23a62f3a-ade897cf7fbmr24618766b.36.1749576482668; Tue, 10 Jun 2025 10:28:02 -0700 (PDT) MIME-Version: 1.0 References: <20250601151222.60ead71e7d8492a18c711a05@linux-foundation.org> <20250610085416.062b4bc386dde2ea475369f5@linux-foundation.org> In-Reply-To: From: Linus Torvalds Date: Tue, 10 Jun 2025 10:27:46 -0700 X-Gmail-Original-Message-ID: X-Gm-Features: AX0GCFuSBnImfaPnnRPaw-kRRNGK3RROtak9Ct6XSRJ9KKoJNMvO8fbVvKrYfaM Message-ID: Subject: Re: [GIT PULL] Additional MM updates for 6.16-rc1 To: Geert Uytterhoeven Cc: Andrew Morton , SeongJae Park , Honggyu Kim , linux-mm@kvack.org, mm-commits@vger.kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 6D23C8000A X-Stat-Signature: yzqdpap7tpnyr4aom7faxsu3539aa6xf X-Rspam-User: X-HE-Tag: 1749576485-806868 X-HE-Meta: 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 FSBxyTzB 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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: List-Subscribe: List-Unsubscribe: On Tue, 10 Jun 2025 at 09:41, Geert Uytterhoeven wrote: > > Just revert the commit? Yes. We don't do "default y" for random features. EVERY SINGLE DEVELOPER thinks that *their* feature is so important that everybody else should enable it. And if that feature wasn't enabled before, they are completely wrong 99% of the time. There is a very real reason why 'default' defaults to 'n'. So we do *not* use "default y" for features that aren't universal. The only time we should use 'default y' is if some old feature that used to be unconditional gets split up into a new Kconfig variable and not using 'default y' means that people *lose* functionality. Or if the feature is some critical security thing, or is some hardware thing that has become so universal that you find it on basically every single machine. Or if that feature cures cancer or brings world peace. Then you can enable it by default. I have reverted that 'default y' thing, because I see no reason to believe that DAEMON cures cancer. Linus