From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id AD68DD3943C for ; Thu, 2 Apr 2026 15:05:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Subject:Cc:To: From:Date:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=SM6i6MA8OJw9GIG0x4N0vnw12U84U5ofreZbneDGJv4=; b=m9HTjlBRggHqSR4cHe5IAoTgF/ hMcwEwtBM3ntvl1vmfJrirPM1ISyzlSrt2HCtQYFqkkAvDXLtEffj61IMOLUkeDA5A76sy2tiY7A/ CRZDRhAksgbA26ThLWYsa2jQw/hGyHotmi0A9zosCHxHLiO2rVZ/bMED1FAWnGiLArvnHcIjucJCQ LGlJEbDm1VSLaNA0IiKlFRgILwQVNRQ8PcoehGtX3U/Iujf2ygoQgKtqzePYtbCUSN3DDOt44Fl9O CmXepdmpsDnpJEXLj+W0jf3OQklufTtWwCNPrforhc9dZprAgqeM0ugIvZ+A3d0l+XvPRDphY1bor iB4VuQsA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w8JcA-00000000PwM-0wQV; Thu, 02 Apr 2026 15:05:46 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1w8Jc8-00000000PwF-2oI9 for linux-arm-kernel@lists.infradead.org; Thu, 02 Apr 2026 15:05:44 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id D4FD260123; Thu, 2 Apr 2026 15:05:43 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D72B7C116C6; Thu, 2 Apr 2026 15:05:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775142343; bh=gSAFR9rC7dy9fnHI/k/dHS0uzYk21DTMOi/OJa0SAnU=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=iPImZ54Np0bS3G8wDxGhad2s4/ykqZoX6fAi6qmNvH4eRBoEt/4AN2UyP8xSHmQut 5ACGxgOLi+2lwM01AOttcXv8gq3jBjprR8VVnOIalKrtUpCFaDXzNkwluqZq0Hkmb6 iUBBQdD0Nfpjfs/GdmUP7h+otB67qjNBEDo7O1OtD6HJFmB4RXuYIMolktMdAOwl2S BoZwzR5+I2kcfF4PMVNGxpPktP8N9rh8gPSqj3U1fS9tth9r4pzsD1x5F9cnUx//yi M0ymtfIDJtTEI/3Z1BydqxqGkwneoWXQjbx4V4wMJrptvhi1tQWdeklfVNrzeq+t/C RCGCvCr4CiLsg== Date: Thu, 2 Apr 2026 08:05:42 -0700 From: Jakub Kicinski To: Sam Edwards Cc: Andrew Lunn , "David S. Miller" , Eric Dumazet , Paolo Abeni , Maxime Coquelin , Alexandre Torgue , "Russell King (Oracle)" , Maxime Chevallier , Ovidiu Panait , Vladimir Oltean , Baruch Siach , Serge Semin , Giuseppe Cavallaro , netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net v4 0/2] stmmac crash/stall fixes when under memory pressure Message-ID: <20260402080542.293e8729@kernel.org> In-Reply-To: <20260401041929.12392-1-CFSworks@gmail.com> References: <20260401041929.12392-1-CFSworks@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, 31 Mar 2026 21:19:27 -0700 Sam Edwards wrote: > - Changed patch 2 to tolerate dirty stragglers up to a critical threshold (the > same threshold tolerated by the zero-copy path), to avoid nuisance looping > during OOM conditions (thanks Jakub) I meant we need both a threshold, and a delay :(