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Tue, 30 Jun 2026 13:50:23 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 1 X-BIZMAIL-ID: 2814519228433504085 EX-QQ-RecipientCnt: 8 From: Yichong Chen To: akpm@linux-foundation.org Cc: vishal.moola@gmail.com, ye.liu@linux.dev, zhen.ni@easystack.cn, ziy@nvidia.com, chenyichong@uniontech.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] tools/mm/page_owner_sort: report get_comm failures at source Date: Tue, 30 Jun 2026 13:50:23 +0800 Message-Id: <20260630055023.197943-1-chenyichong@uniontech.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20260629203326.fbd5714e7ec8cbf0a22e7148@linux-foundation.org> References: <20260629203326.fbd5714e7ec8cbf0a22e7148@linux-foundation.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-QQ-SENDSIZE: 520 Feedback-ID: zesmtpsz:uniontech.com:qybglogicsvrgz:qybglogicsvrgz3a-0 X-QQ-XMAILINFO: NitOQvt5+uyuSU5rvDCGqRmHg9ZIJhifvP6Tr4JkVcA1nPiBVZPPRtmn kLkeZQ207FCdFM+IKZx/Hx8WAAib7F6ine6avRoTC/wLLEmf+i+RRTmpjEvjV6FEsn1Oig9 fDA4n54UsfNKuT0JKebZiQ1KOwwub3V9KX3B470K+9c19sRr8LhjlZyzi0IVGZRN039F6UE 9W9npjJYfNX4dOwOarHF4HpkciYtI+UxuQ81ZCmZZIR6erh3gjHhcDAqtMLwmMr1rk7gw+W WKVc9qEmXl94QWgUK7Z4b3F2PQg51wewsJVCVmmPcT41dN1Gh1GiEIUrRzqrW2JIRGBOZDe R29uvqHyANX3Yfy7OaTNWwYb/KfG0kXfhIyhDd/yfyHz+wJgbITUfvWVomYbI1Dq7L97iuc 0wHlG7xIR9ob/mx+wxoBalt7XNORnODBe+WYLXuiaUk5h3acrj21woEqqIW8aM0KbdcN7AV lRHEDlMGdJ7x+lDO4bbmmHi7cfh9W4yfzxzu4+IN59DGHooI+hzXRp4SqWYDO/OBTSMd/2M d4CgNmxhfvoNb12HuVF0L14JNAlAeQ/nZCo6PRfnweLpz6TMQ7WZhgKPTdk5pK4Hq7MIxHp hba42iWZHsgrEebBLyP2OBwV+0CvUV34JVj7IrOSASW2Xnskx+dp3aay2dX0uhsmm449wRW /CELHXygPo7wJe2QjF41GBc5syULtVC/QZijJqhYz4SIc2ZnWZXXqCGqVjiRxFrqFcLZ+u6 rYGaDGj3KdlAa78Rd9pDOMjzZdKFu3VTLuoavdTHyLv/IgqsbBRs+2fXz7q1cfDc34dI6FR O7FPfcZTr4mTjUZ+aUt5+9zORPfdY+RbsFcfygg3zt7yxc7wvkUt1Mv/q6PN+rcKRtQ0JEG P3tZHklx2yL5Nk30IpJjcR7iX2lzjr+tPhajS4JPnZsDmiP0Iae1NZIthapS7AxXjPP/9Fr 3MjeRuY2dn6luScVIjWjLelLnAavtuAsGKa5FDDvgvJKVWjzaRARyoFcG0aXFM5bb0cFAK7 hNKH80IM2fmkrx/6YAWKcDA51skILDYIxUQFrEeb2xkV3kvzMc X-QQ-XMRINFO: OD9hHCdaPRBwH5bRRRw8tsiH4UAatJqXfg== X-QQ-RECHKSPAM: 0 X-Stat-Signature: pw5gh13ad145zfa18xd5f8o7px373qre X-Rspam-User: X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: EB147140005 X-HE-Tag: 1782798647-118222 X-HE-Meta: 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 BhGl7AQ0 3eFpRYqldz+RXRX0Ngsa4XHvk9zHSjnJW1RAVrovxOTyu/+QLef6eRHS48A+8OCrLCMGluOvZdyBnxql3Aa64R26eZsr6E/dOCg6MsJwM4wuqDy2ViggTr8wp/GrJKSnZUoudqMrccnCkSM1ffBlkXmOlygjDUP7+fKt3UDwuL8557HYNhwAOO/IcsFjXcdQzngfuR4ao7sYeIEIYp7nNRbeZxxq+NsJn5iXhjXK3Zbvc3M4BPqhdu1qFeezDDULIxJGOEZ/WJQXjb34zsh6ZJi35L3pvF7IsT0g2Pl1FiCh0rrQwK6/rNQUtthjqQnIjiCo5J9ll1vwMa5qF60nFH/RTWjO7d0B2qE0wfbsBRrbzhmwITF8ejHyRi5yzKVZrpz1GVut3lWMvgFMU0GS177rwNlnbO+PkMTL5 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Andrew, Thanks for pointing this out. I think keeping the parse-failure message under debug_on is acceptable here. The failure still propagates through the existing NULL return path, and the malformed-record dump is diagnostic output which matches the current debug behavior. If you prefer reporting this in normal mode as well, I think the minimal change would be to drop the if (debug_on) guard before the existing error message. Otherwise, I would prefer to keep the patch as-is. Thanks, Yichong