Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1uTk09-009Cry-D5 for pgsql-hackers@arkaria.postgresql.org; Mon, 23 Jun 2025 16:26:33 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.94.2) (envelope-from ) id 1uTk07-004mM0-Dm for pgsql-hackers@arkaria.postgresql.org; Mon, 23 Jun 2025 16:26:32 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1uTk06-004mLs-GC for pgsql-hackers@lists.postgresql.org; Mon, 23 Jun 2025 16:26:31 +0000 Received: from fhigh-a6-smtp.messagingengine.com ([103.168.172.157]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1uTk04-003fdL-09 for pgsql-hackers@lists.postgresql.org; Mon, 23 Jun 2025 16:26:30 +0000 Received: from phl-compute-11.internal (phl-compute-11.phl.internal [10.202.2.51]) by mailfhigh.phl.internal (Postfix) with ESMTP id 838D8114013F; Mon, 23 Jun 2025 12:26:25 -0400 (EDT) Received: from phl-mailfrontend-02 ([10.202.2.163]) by phl-compute-11.internal (MEProxy); Mon, 23 Jun 2025 12:26:25 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=anarazel.de; h= cc:cc:content-type:content-type:date:date:from:from:in-reply-to :in-reply-to:message-id:mime-version:references:reply-to:subject :subject:to:to; s=fm1; t=1750695985; x=1750782385; bh=opaDdrUMfA MDC/FU4i/OWYlm32KeiOomG8BloIRbxQc=; b=Th+b37Onra4Zziphz9/pb776yv fdbJ3lokMTWkXcQ2/kfB5Ly1SkGEs2kRyLepujfmYf9m6pkcTkGpJi0CBPSVnfbb gyUWx+PJxvJ2zjHOck/FsSv33ROtwAzUcru9j5Ntg1j8Y1a2oRRzBH2/UQKf/uYd 24WLg206256589mJDdmcgdaOfZzwTNT4NepCZE01rIVBk407HxghkjtRp2NL9wVS U9+cJ5lx6EtUfHRPxiTVOGpsEOuDxy/e5oHwDs//kKiEWh5Et/ztA4yaKy478GwB 5o/Cx5vv29EzUL5jyVx+6yr31U/4CgUkPB8Qm3NFwtDPtXB61Sh8oWmaJbWg== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-type:content-type:date:date :feedback-id:feedback-id:from:from:in-reply-to:in-reply-to :message-id:mime-version:references:reply-to:subject:subject:to :to:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm1; t= 1750695985; x=1750782385; bh=opaDdrUMfAMDC/FU4i/OWYlm32KeiOomG8B loIRbxQc=; b=CF7KcietrFyAsQIQGC1f/lKqT0y/odlp3haNjjl/LvmwvdPLx/v YQG/32JapacBoUYuO038WrWgmwwZUQ+uwu34uBEDj+MikRZI42F0s4r22LQSex4N mKRKQvK96xf0EQYtUKH0TdC0imJAmMuIYGxeMuJf1v+cNll4sCCKM1YP3Bri4QIi wAsW5F6TpR3u3f9DE/uV8XB1jfDCV5alhBivOnzR9PSXoT3+VEWegR3x8u/NY8BW rbPr0bC9B6HJ7OzQKDAvlQBjCMBRxbS+YsTD3mSwRkXCXN0YIWKzxLGy19+sbPyY FbkhmNbPFN1S85cPwfQx1Zoabxqf7uLR3FA== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeeffedrtddvgddujeehtdcutefuodetggdotefrod ftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpuffrtefokffrpgfnqfghnecuuegr ihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjug hrpeffhffvvefukfhfgggtuggjsehttdfstddttddvnecuhfhrohhmpeetnhgurhgvshcu hfhrvghunhguuceorghnughrvghssegrnhgrrhgriigvlhdruggvqeenucggtffrrghtth gvrhhnpeeffffgledvffegtdevlefgtdeggffhvdekgfegteeiveejkeetudelveejhfeu geenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpegrnh gurhgvshesrghnrghrrgiivghlrdguvgdpnhgspghrtghpthhtohepfedpmhhouggvpehs mhhtphhouhhtpdhrtghpthhtohepmhihohhnseguvggsihgrnhdrohhrghdprhgtphhtth hopehpghhsqhhlqdhhrggtkhgvrhhssehlihhsthhsrdhpohhsthhgrhgvshhqlhdrohhr ghdprhgtphhtthhopehtohhmrghsrdhvohhnughrrgesphhoshhtghhrvghsqhhlrdhorh hg X-ME-Proxy: Feedback-ID: id4a34324:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Mon, 23 Jun 2025 12:26:24 -0400 (EDT) Date: Mon, 23 Jun 2025 12:26:22 -0400 From: Andres Freund To: Christoph Berg Cc: Tomas Vondra , pgsql-hackers@lists.postgresql.org Subject: Re: pgsql: Introduce pg_shmem_allocations_numa view Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk Hi, On 2025-06-23 17:59:24 +0200, Christoph Berg wrote: > Re: To Andres Freund > > Ok, so we leave the touching in, but still defend against negative > > status values? > > v2 attached. How confident are we that this isn't actually because we passed a bogus address to the kernel or such? With this patch, are *any* pages recognized as valid on the machines that triggered the error? I wonder if we ought to report the failures as a separate "numa node" (e.g. NULL as node id) instead ... Greetings, Andres Freund