From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.163.com (m16.mail.163.com [220.197.31.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D9E4F3806CD; Fri, 7 Aug 2026 06:11:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786083108; cv=none; b=uCCMfK4iLhXRG4Sck4P4TBxLxpPxla5PKYsKxkNy0uzGidh/J0OCTsLHH9qAc7/l1fiUe1LuQgqYeKWrY401GzbVslB+n3P2TkxWrg/jbRYGfxs/Bg3at6whvEfHrAg9bHN9Yp6zq1XJ+UfAUi/Uhp4JoNAUSxJHLnbV9uYP+kI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786083108; c=relaxed/simple; bh=C3ChUSnO6LkTcCWJcLX/bnHSSnlGzwMbnkOsxKb6GV4=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=LBDSciRGEZ54LtWPSg53IVoWHJg72+48IhTu3bmI2yFeoUX1qmcX2Zg+sgd8Za0f40CYLgezEOs/BYAQbGwJ/VVTbCZ8BFIANf6DbRV7oGnFm2fvmqj8acjEhMrg4c238Q8FLSB8jn91x0Tn6g/0t9SOyjoRPcPQaS8EGEIggEI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=Px1dKUSg; arc=none smtp.client-ip=220.197.31.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="Px1dKUSg" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=YG Rz6WB9lU3wlD2STC8uk6Jl3YtCrm4akVDEQj4iVJI=; b=Px1dKUSgN0ds0QRJxl zFG7j0Hbb06euelKNoN1Bds7SkB446HEeQAtU2xTWhOw/e7kWkFJKTnU/pGzDoLM YdrciyVOwJ0KVq8jdFO/i0HuQy+Y0CEC+giBSSKhyP5XhllL1NfyeR5QnKEW379t J9bss1T/sTJatoLqqa2hssNEE= Received: from zhaoxin-MS-7E12.. (unknown []) by gzsmtp1 (Coremail) with SMTP id PCgvCgAX62t2dnVqBJMmJg--.29689S2; Fri, 07 Aug 2026 14:08:56 +0800 (CST) From: Xin Zhao To: rdunlap@infradead.org Cc: akpm@linux-foundation.org, alex.aring@gmail.com, allen.lkml@gmail.com, arnd@arndb.de, brauner@kernel.org, chuck.lever@oracle.com, corbet@lwn.net, david@kernel.org, ebiederm@xmission.com, j.granados@samsung.com, jack@suse.cz, jackzxcui1989@163.com, jlayton@kernel.org, juri.lelli@redhat.com, keescook@chromium.org, kuba@kernel.org, liam@infradead.org, linux-arch@vger.kernel.org, linux-doc@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, ljs@kernel.org, mcgrof@kernel.org, mhocko@suse.com, mingo@redhat.com, mjguzik@gmail.com, peterz@infradead.org, pfalcato@suse.de, rppt@kernel.org, skhan@linuxfoundation.org, surenb@google.com, vbabka@kernel.org, vincent.guittot@linaro.org, viro@zeniv.linux.org.uk Subject: Re: [PATCH v7] coredump: Add bit 9 of coredump_filter for pre-exit files before dumping Date: Fri, 7 Aug 2026 14:08:54 +0800 Message-Id: <20260807060854.1785634-1-jackzxcui1989@163.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID:PCgvCgAX62t2dnVqBJMmJg--.29689S2 X-Coremail-Antispam: 1Uf129KBjvdXoWrZF1fWryrZr4fZF1kCw1kuFg_yoWxKFb_Xa yvqr9rJr1ru3W2vF43GF1FyaykK390yF1fJ3y7Zw1jqayktF1agFWDKFWSv3WxKFWDKrZ7 CF1UXw4Sy3yavjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7VUU7DJtUUUUU== X-CM-SenderInfo: pmdfy650fxxiqzyzqiywtou0bp/xtbC5xizvWp1dniqEAAA3a On Thu, 6 Aug 2026 21:08:46 -0700 Randy Dunlap wrote: > > +The default value of coredump_filter is 0x233; this means all anonymous memory > > +segments, ELF header pages, hugetlb private memory and fd list are dumped. > > + > > The default value of coredump_filter is 0x33; this means all anonymous memory > > segments, ELF header pages and hugetlb private memory are dumped. > > I could easily be missing something here, but to me it appears that the > paragraph immediately above here should have been deleted (i.e., replaced > by the one above it). > Can you explain, please? Thank you. This is another silly mistake. I'll fix it. I think I should see a doctor to check my eyes. :( Thanks Xin Zhao