Message-ID: <5069D846.6000104@linux.intel.com>
Date: Mon, 01 Oct 2012 10:52:06 -0700
From: "H. Peter Anvin" <hpa@linux.intel.com>
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To: "Kirill A. Shutemov" <kirill@shutemov.name>
CC: Andrea Arcangeli <aarcange@redhat.com>,
        "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
        Andrew Morton <akpm@linux-foundation.org>, linux-mm@kvack.org,
        Andi Kleen <ak@linux.intel.com>, linux-kernel@vger.kernel.org,
        Arnd Bergmann <arnd@arndb.de>, Ingo Molnar <mingo@kernel.org>,
        linux-arch@vger.kernel.org
Subject: Re: [PATCH 0/3] Virtual huge zero page
References: <1348875441-19561-1-git-send-email-kirill.shutemov@linux.intel.com> <20120929134811.GC26989@redhat.com> <5069B804.6040902@linux.intel.com> <20121001163118.GC18051@redhat.com> <5069CCF9.7040309@linux.intel.com> <20121001172624.GD18051@redhat.com> <5069D3D8.9070805@linux.intel.com> <20121001173604.GC20915@shutemov.name> <5069D4D3.1040003@linux.intel.com> <20121001174420.GA21490@shutemov.name>
In-Reply-To: <20121001174420.GA21490@shutemov.name>
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On 10/01/2012 10:44 AM, Kirill A. Shutemov wrote:
> On Mon, Oct 01, 2012 at 10:37:23AM -0700, H. Peter Anvin wrote:
>> One can otherwise argue that if hzp doesn't matter for except in a small
>> number of cases that we shouldn't use it at all.
> 
> These small number of cases can easily trigger OOM if THP is enabled. :)
> 

And that doesn't happen in any conditions that *aren't* helped by hzp?

	-hpa

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