From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f46.google.com (mail-pa0-f46.google.com [209.85.220.46]) by kanga.kvack.org (Postfix) with ESMTP id 9EABD6B0005 for ; Thu, 25 Feb 2016 00:36:23 -0500 (EST) Received: by mail-pa0-f46.google.com with SMTP id fl4so25975430pad.0 for ; Wed, 24 Feb 2016 21:36:23 -0800 (PST) Received: from mail-pf0-x232.google.com (mail-pf0-x232.google.com. [2607:f8b0:400e:c00::232]) by mx.google.com with ESMTPS id bm5si9984685pad.107.2016.02.24.21.36.22 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 24 Feb 2016 21:36:22 -0800 (PST) Received: by mail-pf0-x232.google.com with SMTP id x65so26495592pfb.1 for ; Wed, 24 Feb 2016 21:36:22 -0800 (PST) Date: Wed, 24 Feb 2016 21:36:13 -0800 (PST) From: Hugh Dickins Subject: Re: Problems with swapping in v4.5-rc on POWER In-Reply-To: <1456373550.30375.3.camel@ellerman.id.au> Message-ID: References: <1456373550.30375.3.camel@ellerman.id.au> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Michael Ellerman Cc: Hugh Dickins , "Aneesh Kumar K.V" , linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org On Thu, 25 Feb 2016, Michael Ellerman wrote: > > I do run tests on G5, but obviously not rigorously enough. I kicked off a few > kernel builds on mine and it survived, though once it hits swap it's almost > unusably slow. I'll leave it running overnight and see if I hit anything. Oh yes, I'd forgotten how unusably slow: I tend to forget that I slipped an SSD in there some while back, just for the swapping: slow, but not unusable. Thanks, I'm hoping you will be able to reproduce it yourself. Hugh -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org