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[209.85.218.42]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a9a912d65adsm118197666b.27.2024.10.20.12.09.19 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 20 Oct 2024 12:09:19 -0700 (PDT) Received: by mail-ej1-f42.google.com with SMTP id a640c23a62f3a-a99f629a7aaso664288666b.1 for ; Sun, 20 Oct 2024 12:09:19 -0700 (PDT) X-Forwarded-Encrypted: i=1; AJvYcCXYsdzuuUSduHGDxQZSV0CLY7CayDjwpZNTqLEyawmLxaYOEDJq6wsTJW7V0h44pPC1DClBe5Lizw==@kvack.org X-Received: by 2002:a17:907:1c24:b0:a9a:170d:67b2 with SMTP id a640c23a62f3a-a9a6a5af165mr1113793666b.29.1729451359367; Sun, 20 Oct 2024 12:09:19 -0700 (PDT) MIME-Version: 1.0 References: <20241019210037.146825-1-kent.overstreet@linux.dev> <90bc0794-4cab-415f-a442-4af85a32eed8@lucifer.local> In-Reply-To: From: Linus Torvalds Date: Sun, 20 Oct 2024 12:09:02 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH] mm: Drop INT_MAX limit from kvmalloc() To: Kent Overstreet Cc: Lorenzo Stoakes , linux-bcachefs@vger.kernel.org, linux-mm@kvack.org, Vlastimil Babka , Andrew Morton , Uladzislau Rezki , Christoph Hellwig Content-Type: text/plain; charset="UTF-8" X-Stat-Signature: emoweyjzqbd3onu1y1fxso6trpid67bm X-Rspamd-Queue-Id: 7576F1C0006 X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1729451356-456134 X-HE-Meta: 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 cddMPHG6 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000029, 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 Sun, 20 Oct 2024 at 11:53, Kent Overstreet wrote: > > This came up on a machine with 128GB of ram. So? Your argument is "we're using a ton of memory, so we can use a ton more". Not a great argument. How about you limit the amount of memory you use in the first place instead? Linus