From: Andrea Arcangeli <aarcange@redhat.com>
To: "H. Peter Anvin" <hpa@linux.intel.com>
Cc: "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,
"Kirill A. Shutemov" <kirill@shutemov.name>,
Arnd Bergmann <arnd@arndb.de>, Ingo Molnar <mingo@kernel.org>,
linux-arch@vger.kernel.org
Subject: Re: [PATCH 0/3] Virtual huge zero page
Date: Mon, 1 Oct 2012 20:05:00 +0200 [thread overview]
Message-ID: <20121001180500.GF18051@redhat.com> (raw)
In-Reply-To: <5069D3D8.9070805@linux.intel.com>
On Mon, Oct 01, 2012 at 10:33:12AM -0700, H. Peter Anvin wrote:
> ... and I think it would be worthwhile to know which effect dominates
> (or neither, in which case it doesn't matter).
>
> Overall, I'm okay with either as long as we don't lock down 2 MB when
> there isn't a huge zero page in use.
Same here.
I agree the cmpxchg idea to free the 2M zero page, was a very nice
addition to the physical zero page patchset.
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WARNING: multiple messages have this Message-ID (diff)
From: Andrea Arcangeli <aarcange@redhat.com>
To: "H. Peter Anvin" <hpa@linux.intel.com>
Cc: "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,
"Kirill A. Shutemov" <kirill@shutemov.name>,
Arnd Bergmann <arnd@arndb.de>, Ingo Molnar <mingo@kernel.org>,
linux-arch@vger.kernel.org
Subject: Re: [PATCH 0/3] Virtual huge zero page
Date: Mon, 1 Oct 2012 20:05:00 +0200 [thread overview]
Message-ID: <20121001180500.GF18051@redhat.com> (raw)
Message-ID: <20121001180500._HlISNRaI7c_Ng4b5AuNy-XUBzH4OOQkBSyswSrmy4Q@z> (raw)
In-Reply-To: <5069D3D8.9070805@linux.intel.com>
On Mon, Oct 01, 2012 at 10:33:12AM -0700, H. Peter Anvin wrote:
> ... and I think it would be worthwhile to know which effect dominates
> (or neither, in which case it doesn't matter).
>
> Overall, I'm okay with either as long as we don't lock down 2 MB when
> there isn't a huge zero page in use.
Same here.
I agree the cmpxchg idea to free the 2M zero page, was a very nice
addition to the physical zero page patchset.
next prev parent reply other threads:[~2012-10-01 18:05 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-28 23:37 [PATCH 0/3] Virtual huge zero page Kirill A. Shutemov
2012-09-28 23:37 ` Kirill A. Shutemov
2012-09-28 23:37 ` [PATCH 1/3] asm-generic: introduce pmd_special() and pmd_mkspecial() Kirill A. Shutemov
2012-09-28 23:37 ` Kirill A. Shutemov
2012-09-28 23:37 ` [PATCH 2/3] mm, thp: implement virtual huge zero page Kirill A. Shutemov
2012-09-28 23:37 ` Kirill A. Shutemov
2012-09-28 23:37 ` [PATCH 3/3] x86: implement HAVE_PMD_SPECAIL Kirill A. Shutemov
2012-09-28 23:37 ` Kirill A. Shutemov
2012-09-29 13:48 ` [PATCH 0/3] Virtual huge zero page Andrea Arcangeli
2012-09-29 13:48 ` Andrea Arcangeli
2012-09-29 14:30 ` Andi Kleen
2012-09-29 14:30 ` Andi Kleen
2012-09-29 14:30 ` Andi Kleen
2012-09-29 14:37 ` Andrea Arcangeli
2012-09-29 14:37 ` Andrea Arcangeli
2012-10-01 13:49 ` Kirill A. Shutemov
2012-10-01 16:14 ` Andrea Arcangeli
2012-10-01 16:14 ` Andrea Arcangeli
2012-10-01 17:18 ` Kirill A. Shutemov
2012-10-01 17:18 ` Kirill A. Shutemov
2012-10-01 15:34 ` H. Peter Anvin
2012-10-01 15:34 ` H. Peter Anvin
2012-10-01 16:31 ` Andrea Arcangeli
2012-10-01 16:31 ` Andrea Arcangeli
2012-10-01 17:03 ` H. Peter Anvin
2012-10-01 17:03 ` H. Peter Anvin
2012-10-01 17:15 ` Kirill A. Shutemov
2012-10-01 17:15 ` Kirill A. Shutemov
2012-10-01 18:03 ` Andrea Arcangeli
2012-10-01 18:03 ` Andrea Arcangeli
2012-10-01 17:26 ` Andrea Arcangeli
2012-10-01 17:26 ` Andrea Arcangeli
2012-10-01 17:33 ` H. Peter Anvin
2012-10-01 17:33 ` H. Peter Anvin
2012-10-01 17:36 ` Kirill A. Shutemov
2012-10-01 17:36 ` Kirill A. Shutemov
2012-10-01 17:37 ` H. Peter Anvin
2012-10-01 17:37 ` H. Peter Anvin
2012-10-01 17:44 ` Kirill A. Shutemov
2012-10-01 17:44 ` Kirill A. Shutemov
2012-10-01 17:52 ` H. Peter Anvin
2012-10-01 17:52 ` H. Peter Anvin
2012-10-01 18:56 ` Kirill A. Shutemov
2012-10-01 18:56 ` Kirill A. Shutemov
2012-10-01 18:05 ` Andrea Arcangeli [this message]
2012-10-01 18:05 ` Andrea Arcangeli
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