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b=BfxcSjFtu0XN92Qicx3/UT5FVLzq69pzsSNPzmVs/I0qZL4aTz87xgTRr8/SKNrt0 4Du/XwpQmM8EjWl1N/QzZEmgYtFiJwsl1ZQFW0+yKUrgtnHW7ssCqVy8OhgDh/jsPL wEb8kqCSCQS5HQ2OPd9tz4JJnAk7VVqDMY5yFY38= Date: Thu, 22 Jan 2026 19:18:03 -0800 From: Andrew Morton To: "Li Zhe" Cc: , , , , Subject: Re: [PATCH] hugetlb: increase hugepage reservations when using node-specific "hugepages=" cmdline Message-Id: <20260122191803.96e521b3a8dd579373f5bd66@linux-foundation.org> In-Reply-To: <20260123031400.37480-1-lizhe.67@bytedance.com> References: <20260122141900.3eb028abe20f6c31808f9b5d@linux-foundation.org> <20260123031400.37480-1-lizhe.67@bytedance.com> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Stat-Signature: ezab96bsy6539pszy8yj65ebkccd158r X-Rspam-User: X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: AEDCA120003 X-HE-Tag: 1769138285-647135 X-HE-Meta: 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 5PLwPYQv qMdHzl8UIWKX60UBfKIlsZzFnw6frG6O8HqFvXp0S3z9Qyf3wI/6oX0YYJzr0QA/Ibzr6/ZS3WM+dKv2bxgAg1WdFkipYTHf3pLqI2+FxkiOgLeipfifoJY/VSGn3K0ct8wMfL+7HzQMI0dKX77d6NEytxB41d4OHRfTNlhfDJb5N92q8cxC38262CyqVtLCkh4/ONPwNQJmZHIm5lmp87GKs4kf9S3QKIgI2jo2CQQmfDDJduQzu9YypierjnT7svkj6PCHpcvSULYE= 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 Fri, 23 Jan 2026 11:14:00 +0800 "Li Zhe" wrote: > > I *think* the hugepages= documentation in > > Documentation/admin-guide/mm/hugetlbpage.rst is still up to date and > > complete, but can you please check it, see if there's somethig we should > > do? > > After carefully re-reading the documentation on the "hugepages=" > parameter, I did not see any points that could or should be optimized > regarding the number of reserved huge pages. Wonderful, thanks!