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[37.24.206.209]) by smtp.gmail.com with ESMTPSA id i22-20020a17090671d600b00a46d58fbc11sm1311805ejk.118.2024.03.19.08.49.39 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 19 Mar 2024 08:49:39 -0700 (PDT) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 4be009b2-e608-11ee-afdd-a90da7624cb6 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=google; t=1710863380; x=1711468180; darn=lists.xenproject.org; h=content-transfer-encoding:in-reply-to:autocrypt:from:references:cc :to:content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=Z/Hjek9M5u6PXnQB/xTWo90Ep+NkhvngSyuPpPAmfQA=; b=P7fM/Yk2dnHj6h5dIZUCLRpQAdCTH4/EcVSrVrP4bVdGkFSWiB0QmpAUS/kp9QT28S BlxtdNXyITKBbp3iC6JyDuEq1UDDsEKopD8sIXFSbKOWDP9mZPbSwFN1zdjTtYKYWBic YuaRLEpeNaALRHx9wzqY0pqmdMvzYHyAa1fcxVKE/nw8ZxYaB3/EH31udqndHt1iTItM KSOsOMWQ4q2TKKGyv5LnLQfNVHeELZCJhbX3VqwGerm8q0cmVYybIgA1RDrPfFnFQgnP VOwBQXn9CguAW7cG0376e9sNjsunwSPCyeE5n7GllRGRPHcCmTwKjFJ05ZJnVZRTAspn XdEA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1710863380; x=1711468180; h=content-transfer-encoding:in-reply-to:autocrypt:from:references:cc :to:content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=Z/Hjek9M5u6PXnQB/xTWo90Ep+NkhvngSyuPpPAmfQA=; b=L9aznHtjiRjVl2+HcwsEhgH7UJjjX/eWhrNHV2DTrIbJxv7kvYfuBf6add7K2DiOUj XvxuE5TqAxFevyNk3VgKiHrPNuRzAd9TQb+RtGVGdT++WMlu18Qpew5STPHLyvb5d1/o WHPRbHYWVYIFtnczGritfuRKfcmVXIuwKCc6ye0bvBLSHU9yg/dwn4G/+/3qPowPrAPR 2zciIRbSxqPQuC7aPlO9pRwiC2leBXF5HAnLffGKx24z4yiwK+TOJ9oPRJNUjy9wgkRm fMUKv/cGwjkWgy5kzyMmtqmlPrMR1pRtmyOCmfZlEtMaoNibm7lCN4P5cwHb57YN0j+5 S9pg== X-Forwarded-Encrypted: i=1; AJvYcCX92gjTSL6li32zNQY5RoIqd0QDWW7Wf4V0SU0itvjG5IcVOh7q2shr5+1fxuHMRjIA1b5n7pBKMTWuXiinoWTkU7XOXjD+4ZJtFcyUjKM= X-Gm-Message-State: AOJu0YypdEAu1mA8KpWsLYulMtzHOveuBpWOydqZlWm//yQlMW0lcxQ/ FuCBWF3Unic3/XpbumKmarSuePgJ2WHxaDbiLDygo16WnFyxwgMlVEyDYTwwMA== X-Google-Smtp-Source: AGHT+IFkojn1gjw5YMM8QGlesMsoCbmwsfbV0CzjmxKGfGPmx+QM3QGeFtnoIJcwdhXsS/Nmp5FfFw== X-Received: by 2002:a2e:8556:0:b0:2d4:49d1:38e with SMTP id u22-20020a2e8556000000b002d449d1038emr8212380ljj.28.1710863379785; Tue, 19 Mar 2024 08:49:39 -0700 (PDT) Message-ID: Date: Tue, 19 Mar 2024 16:49:38 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v7 09/14] xen/page_alloc: introduce page flag to stop buddy merging Content-Language: en-US To: Carlo Nonato Cc: Andrew Cooper , George Dunlap , Julien Grall , Stefano Stabellini , Wei Liu , xen-devel@lists.xenproject.org References: <20240315105902.160047-1-carlo.nonato@minervasys.tech> <20240315105902.160047-10-carlo.nonato@minervasys.tech> From: Jan Beulich Autocrypt: addr=jbeulich@suse.com; keydata= xsDiBFk3nEQRBADAEaSw6zC/EJkiwGPXbWtPxl2xCdSoeepS07jW8UgcHNurfHvUzogEq5xk hu507c3BarVjyWCJOylMNR98Yd8VqD9UfmX0Hb8/BrA+Hl6/DB/eqGptrf4BSRwcZQM32aZK 7Pj2XbGWIUrZrd70x1eAP9QE3P79Y2oLrsCgbZJfEwCgvz9JjGmQqQkRiTVzlZVCJYcyGGsD /0tbFCzD2h20ahe8rC1gbb3K3qk+LpBtvjBu1RY9drYk0NymiGbJWZgab6t1jM7sk2vuf0Py O9Hf9XBmK0uE9IgMaiCpc32XV9oASz6UJebwkX+zF2jG5I1BfnO9g7KlotcA/v5ClMjgo6Gl MDY4HxoSRu3i1cqqSDtVlt+AOVBJBACrZcnHAUSuCXBPy0jOlBhxPqRWv6ND4c9PH1xjQ3NP nxJuMBS8rnNg22uyfAgmBKNLpLgAGVRMZGaGoJObGf72s6TeIqKJo/LtggAS9qAUiuKVnygo 3wjfkS9A3DRO+SpU7JqWdsveeIQyeyEJ/8PTowmSQLakF+3fote9ybzd880fSmFuIEJldWxp Y2ggPGpiZXVsaWNoQHN1c2UuY29tPsJgBBMRAgAgBQJZN5xEAhsDBgsJCAcDAgQVAggDBBYC AwECHgECF4AACgkQoDSui/t3IH4J+wCfQ5jHdEjCRHj23O/5ttg9r9OIruwAn3103WUITZee e7Sbg12UgcQ5lv7SzsFNBFk3nEQQCACCuTjCjFOUdi5Nm244F+78kLghRcin/awv+IrTcIWF hUpSs1Y91iQQ7KItirz5uwCPlwejSJDQJLIS+QtJHaXDXeV6NI0Uef1hP20+y8qydDiVkv6l IreXjTb7DvksRgJNvCkWtYnlS3mYvQ9NzS9PhyALWbXnH6sIJd2O9lKS1Mrfq+y0IXCP10eS FFGg+Av3IQeFatkJAyju0PPthyTqxSI4lZYuJVPknzgaeuJv/2NccrPvmeDg6Coe7ZIeQ8Yj t0ARxu2xytAkkLCel1Lz1WLmwLstV30g80nkgZf/wr+/BXJW/oIvRlonUkxv+IbBM3dX2OV8 AmRv1ySWPTP7AAMFB/9PQK/VtlNUJvg8GXj9ootzrteGfVZVVT4XBJkfwBcpC/XcPzldjv+3 HYudvpdNK3lLujXeA5fLOH+Z/G9WBc5pFVSMocI71I8bT8lIAzreg0WvkWg5V2WZsUMlnDL9 mpwIGFhlbM3gfDMs7MPMu8YQRFVdUvtSpaAs8OFfGQ0ia3LGZcjA6Ik2+xcqscEJzNH+qh8V m5jjp28yZgaqTaRbg3M/+MTbMpicpZuqF4rnB0AQD12/3BNWDR6bmh+EkYSMcEIpQmBM51qM EKYTQGybRCjpnKHGOxG0rfFY1085mBDZCH5Kx0cl0HVJuQKC+dV2ZY5AqjcKwAxpE75MLFkr wkkEGBECAAkFAlk3nEQCGwwACgkQoDSui/t3IH7nnwCfcJWUDUFKdCsBH/E5d+0ZnMQi+G0A nAuWpQkjM1ASeQwSHEeAWPgskBQL In-Reply-To: <20240315105902.160047-10-carlo.nonato@minervasys.tech> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 15.03.2024 11:58, Carlo Nonato wrote: > Add a new PGC_no_buddy_merge flag that prevents the buddy algorithm in > free_heap_pages() from merging pages that have it set. As of now, only > PGC_static has this feature, but future work can extend it easier than > before. > Suggested-by: Jan Beulich > Signed-off-by: Carlo Nonato Reviewed-by: Jan Beulich