From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-181.mta1.migadu.com (out-181.mta1.migadu.com [95.215.58.181]) (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 200542629D for ; Mon, 2 Jun 2025 21:57:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.181 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748901461; cv=none; b=G0MBacCJ3NJ5mdUcf71GtnxxSsCxeMy1n+KDWtSt8dEl5k5bTJLrtx8UutJnYqbSZ23Zl6CbCH/gpE4YBb+qoTPwXo0VZ1EWtDrlXCY5hOEe0W0LcVkGyqaZkvUmhOV0XIsqZXOpt6Au2xrRdSXpktKtPjewjtx2D/YipFnXkp4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748901461; c=relaxed/simple; bh=5ONrfrV4v6p5aGon1KG4bYL2RjbY1NYGsVSB2rTgu2w=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=JYQ8HhS6P2E9W+vwmpRCyKioIhZRWZHXdU5HGIFFiB4aVa7KNDiv167t0/eCrxz9apNVdlwbuGJ0lSV0DI/DFn7cF43taXaAyY0I73ToCgZq9jTpqJQ1zh6oPBzb+yyEiZEsfvb6hOUVnFvTwHhcrKqr2nqtSsxNEt8ZNHK3WBc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=Xv7MitK5; arc=none smtp.client-ip=95.215.58.181 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="Xv7MitK5" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1748901457; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=5ONrfrV4v6p5aGon1KG4bYL2RjbY1NYGsVSB2rTgu2w=; b=Xv7MitK5l/EfFeD02fXfgnEr2EV8me4qUK+T3O2VddjSXVTmYm2a9Cfd/sqHfVh/3cejPS YzoMLNUCZpJT+PMfaIOUnHbPpWGwlVkjKXEHlbdu06tNXMXR+PMwnAZSYoL8lnD5iUDury eEPw1TvPBVvEJx8Ed1YcjiBeQxn5egE= From: Roman Gushchin To: Usama Arif Cc: Andrew Morton , surenb@google.com, hannes@cmpxchg.org, shakeel.butt@linux.dev, vlad.wing@gmail.com, linux-mm@kvack.org, kent.overstreet@linux.dev, cl@gentwo.org, rientjes@google.com, vbabka@suse.cz, harry.yoo@oracle.com, linux-kernel@vger.kernel.org, kernel-team@meta.com Subject: Re: [PATCH v3] mm: slub: only warn once when allocating slab obj extensions fails In-Reply-To: <20250523165240.1477006-1-usamaarif642@gmail.com> (Usama Arif's message of "Fri, 23 May 2025 17:52:40 +0100") References: <20250523165240.1477006-1-usamaarif642@gmail.com> Date: Mon, 02 Jun 2025 21:57:20 +0000 Message-ID: <7ia4ldq9vmbj.fsf@castle.c.googlers.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain X-Migadu-Flow: FLOW_OUT Usama Arif writes: > In memory bound systems, a large number of warnings for failing this > allocation repeatedly may mask any real issues in the system > during memory pressure being reported in dmesg. Change this to > warning only once. > > Signed-off-by: Usama Arif > Reported-by: Vlad Poenaru > Closes: https://lore.kernel.org/all/17fab2d6-5a74-4573-bcc3-b75951508f0a@gmail.com/ Acked-by: Roman Gushchin Thanks!