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Wed, 18 Jan 2023 15:23:59 +0800 X-QQ-mid: xmsmtpt1674026639tnc9jsvaw Message-ID: X-QQ-XMAILINFO: NMGzQWUSIfvTjBzRjR6taHxYvv7EIMRdR4+2QPNbnb7dIn19MGZXo4uiQYPUUh alzSBzPRl6Lh0FXdSN88xkGYK8aWGjig/4LUyLtHcTYzshMLKw3Q9ktcQJJdcN3/9E8q7Kn10nCx 6AfRKdTIRZXKAY2GuLwcnwi+fjgi0MqhTlZmxb8H1BwxH6XOxYM2vM7cCKzY5ZaA7CWX+QKPkMN1 4v3Mnpt67LjlOT4cHqaNKz1paU4bFf88M3uNIow0pY+yx2dV04tGZcHVVJrdxLYvo/ULmLZczYAL hj7OA5vigWvIhyhRVwRRd2aVdZu54JlFBBoFZjZqPp5ouHHM0EoRPW0vSiXvIa4PpV8lQVnNO/yN jdVMh1Wttzo8n8/kwG6k6hosksf0ufRSTLFkMaoBxzhrYwIfcVK5aqdm5k/CabMH93RKqPYvs88w 9WoLsZ/6nG60o4eyTB5qg2f1IiCRhseU2HHMAI/K0ur95uzicHCvY7oKMAYqhzv0fDy1lzBHaAyD wCVlnNVmgv7LT7fyYuVI8Pkn2oRmTtkVSzOOmwudXffA96s/KzmGr51ppy1IrLWAkaZPV3cOTExn uMd8y5CXw4WBW5Lfuwq44M8eigPELAPI+7fu/bbcS0EzjclC4ryaRgOtbzaxBs05a9bHT2nHgGQM vtCg85xAulO2e3+XMS0hg6qSq9cNAC7jnZnHKAY3wilCQgN5UQDt6IToWSLXA6Jbw1I/5uDvX3md WEM9WE/mtM1h2Ko456RWqcLUELZ3y4Wg4GCWLix8swElnkaIV0kh6C1J0wwALcoljA8pzO6A8hNg 1biupjf9iAvdKICK1gEb9crSaEmDlqF/OwXONdv6kop5hd6/l4eWhacGHsd1maU7n1TVvaaZs3Rz AsTnEW7TBPV4t8S1OjYklIbfamYOcasqN5hgWcFdeInBAFyq8ZC6qqLgX0wNa2I71k2JzTUDk8ak 4MX4SXNblkju1cP7o3cNHZ/hGeV9L3L1AuL2vaFCj5DEPsTC+Xrl5X7ZSBqxST7TzFT9yplFY= From: Rong Tao To: vbabka@suse.cz Cc: 42.hyeyoo@gmail.com, akpm@linux-foundation.org, cl@linux.com, iamjoonsoo.kim@lge.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, penberg@kernel.org, rientjes@google.com, roman.gushchin@linux.dev, rongtao@cestc.cn, rtoax@foxmail.com, sdf@google.com, yhs@fb.com Subject: Re: [PATCH] mm: Functions used internally should not be put into Date: Wed, 18 Jan 2023 15:23:58 +0800 X-OQ-MSGID: <20230118072358.63932-1-rtoax@foxmail.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 2E583100002 X-Rspamd-Server: rspam09 X-Rspam-User: X-Stat-Signature: 5rf14ud6yewgpj5xyuiuzp91nerhqz3u X-HE-Tag: 1674026650-253042 X-HE-Meta: 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.440827, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hi, Vlastimil. Thank you for your reply. Indeed, BTF can eliminate the existing problem of data structure parsing. But as far as the current BCC[0] code is concerned, more surgery may be required. Now the bcc problem[1] should probably be solved by the bcc itself using BTF, and should not bother the kernel. I hope the maintenance engineers at BCC can agree with this. Thanks again. [0] https://github.com/iovisor/bcc [1] https://github.com/iovisor/bcc/issues/4438 Best wishes. Rong Tao