From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mel Gorman <mgorman@suse.de>
Subject: Re: [PATCHv6 00/22] Transparent huge page cache: phase 1, everything
 but mmap()
Date: Mon, 30 Sep 2013 11:13:00 +0100
Message-ID: <20130930101300.GD2425@suse.de>
References: <1379937950-8411-1-git-send-email-kirill.shutemov@linux.intel.com>
 <20130924163740.4bc7db61e3e520798220dc4c@linux-foundation.org>
 <20130924234950.GC2018@tassilo.jf.intel.com>
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Cc: Andrew Morton <akpm@linux-foundation.org>,
	"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
	Andrea Arcangeli <aarcange@redhat.com>,
	Al Viro <viro@zeniv.linux.org.uk>, Hugh Dickins <hughd@google.com>,
	Wu Fengguang <fengguang.wu@intel.com>, Jan Kara <jack@suse.cz>,
	linux-mm@kvack.org, Matthew Wilcox <willy@linux.intel.com>,
	"Kirill A. Shutemov" <kirill@shutemov.name>,
	Hillf Danton <dhillf@gmail.com>, Dave Hansen <dave@sr71.net>,
	Ning Qu <quning@google.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
To: Andi Kleen <ak@linux.intel.com>
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On Tue, Sep 24, 2013 at 04:49:50PM -0700, Andi Kleen wrote:
> > Sigh.  A pox on whoever thought up huge pages. 
> 
> managing 1TB+ of memory in 4K chunks is just insane.
> The question of larger pages is not "if", but only "when".
> 

Remember that there are at least two separate issues there. One is the
handling data in larger granularities than a 4K page and the second is
the TLB, pagetable etc handling. They are not necessarily the same problem.

-- 
Mel Gorman
SUSE Labs

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