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Re: [11/14] vcompound: Fallbacks for order 1 stack allocations on IA64 and x86
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From:
Andi Kleen <andi@...>
To: Christoph Lameter <clameter@...>
Cc: Andi Kleen <andi@...>, <linux-mm@...>, <linux-kernel@...>, <viro@...>
Subject:
Re: [11/14] vcompound: Fallbacks for order 1 stack allocations on IA64 and x86
Date: Tuesday, March 25, 2008 - 2:07 pm
On Tue, Mar 25, 2008 at 10:55:06AM -0700, Christoph Lameter wrote:
quoted text
> On Tue, 25 Mar 2008, Andi Kleen wrote: > > > Maybe sparse could be taught to check for this if it happens > > in a single function? (cc'ing Al who might have some thoughts > > on this). Of course if it happens spread out over multiple > > functions sparse wouldn't help neither. > > We could add debugging code to virt_to_page (or __pa) to catch these uses.
Hard to test all cases. Static checking would be better. Or just not do it? I didn't think order 1 failures were that big a problem. -Andi --
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Messages in current thread:
[11/14] vcompound: Fallbacks for order 1 stack allocations o...
, Christoph Lameter
, (Fri Mar 21, 2:17 am)
Re: [11/14] vcompound: Fallbacks for order 1 stack allocatio...
, Andi Kleen
, (Fri Mar 21, 6:30 pm)
Re: [11/14] vcompound: Fallbacks for order 1 stack allocatio...
, Christoph Lameter
, (Mon Mar 24, 3:53 pm)
Re: [11/14] vcompound: Fallbacks for order 1 stack allocatio...
, Andi Kleen
, (Tue Mar 25, 3:51 am)
Re: [11/14] vcompound: Fallbacks for order 1 stack allocatio...
, Christoph Lameter
, (Tue Mar 25, 1:55 pm)
Re: [11/14] vcompound: Fallbacks for order 1 stack allocatio...
, Andi Kleen
, (Tue Mar 25, 2:07 pm)
Re: [11/14] vcompound: Fallbacks for order 1 stack allocatio...
, David Miller
, (Fri Mar 21, 3:25 am)
Re: [11/14] vcompound: Fallbacks for order 1 stack allocatio...
, Christoph Lameter
, (Fri Mar 21, 1:40 pm)
Re: [11/14] vcompound: Fallbacks for order 1 stack allocatio...
, David Miller
, (Fri Mar 21, 5:57 pm)
Re: [11/14] vcompound: Fallbacks for order 1 stack allocatio...
, Christoph Lameter
, (Mon Mar 24, 2:27 pm)
larger default page sizes...
, David Miller
, (Mon Mar 24, 4:37 pm)
Re: larger default page sizes...
, Christoph Lameter
, (Mon Mar 24, 5:05 pm)
Re: larger default page sizes...
, David Miller
, (Mon Mar 24, 5:43 pm)
Re: larger default page sizes...
, Christoph Lameter
, (Tue Mar 25, 1:48 pm)
Re: larger default page sizes...
, David Miller
, (Tue Mar 25, 7:22 pm)
Re: larger default page sizes...
, Peter Chubb
, (Tue Mar 25, 7:41 pm)
Re: larger default page sizes...
, David Mosberger-Tang
, (Tue Mar 25, 8:34 pm)
Re: larger default page sizes...
, Peter Chubb
, (Tue Mar 25, 8:57 pm)
Re: larger default page sizes...
, John Marvin
, (Wed Mar 26, 12:16 am)
Re: larger default page sizes...
, David Miller
, (Wed Mar 26, 12:36 am)
Re: larger default page sizes...
, David Miller
, (Tue Mar 25, 8:39 pm)
Re: larger default page sizes...
, David Miller
, (Tue Mar 25, 7:49 pm)
Re: larger default page sizes...
, Peter Chubb
, (Tue Mar 25, 8:25 pm)
Re: larger default page sizes...
, David Miller
, (Tue Mar 25, 8:31 pm)
RE: larger default page sizes...
, Luck, Tony
, (Mon Mar 24, 5:25 pm)
Re: larger default page sizes...
, David Miller
, (Mon Mar 24, 5:46 pm)
Re: larger default page sizes...
, Paul Mackerras
, (Mon Mar 24, 11:29 pm)
Re: larger default page sizes...
, Andi Kleen
, (Tue Mar 25, 8:05 am)
Re: larger default page sizes...
, Paul Mackerras
, (Wed Mar 26, 1:24 am)
Re: larger default page sizes...
, Christoph Lameter
, (Wed Mar 26, 1:56 pm)
Re: larger default page sizes...
, Paul Mackerras
, (Wed Mar 26, 11:00 pm)
Re: larger default page sizes...
, David Miller
, (Wed Mar 26, 7:21 pm)
Re: larger default page sizes...
, Linus Torvalds
, (Wed Mar 26, 11:59 am)
Re: larger default page sizes...
, Paul Mackerras
, (Wed Mar 26, 9:08 pm)
Re: larger default page sizes...
, Paul Mackerras
, (Tue Mar 25, 5:27 pm)
Re: larger default page sizes...
, David Miller
, (Tue Mar 25, 12:15 am)
Re: larger default page sizes...
, Paul Mackerras
, (Tue Mar 25, 7:50 am)
Re: larger default page sizes...
, David Miller
, (Tue Mar 25, 7:32 pm)
RE: larger default page sizes...
, Luck, Tony
, (Tue Mar 25, 7:49 pm)
Re: larger default page sizes...
, Nish Aravamudan
, (Wed Mar 26, 11:54 am)
RE: larger default page sizes...
, Luck, Tony
, (Wed Mar 26, 1:05 pm)
Re: larger default page sizes...
, Mel Gorman
, (Wed Mar 26, 2:54 pm)
Re: larger default page sizes...
, David Miller
, (Tue Mar 25, 8:16 pm)
Re: larger default page sizes...
, Dave Hansen
, (Tue Mar 25, 2:27 pm)
RE: [11/14] vcompound: Fallbacks for order 1 stack allocatio...
, Luck, Tony
, (Mon Mar 24, 5:13 pm)
RE: [11/14] vcompound: Fallbacks for order 1 stack allocatio...
, Christoph Lameter
, (Tue Mar 25, 1:42 pm)
RE: [11/14] vcompound: Fallbacks for order 1 stack allocatio...
, Luck, Tony
, (Tue Mar 25, 3:09 pm)
RE: [11/14] vcompound: Fallbacks for order 1 stack allocatio...
, Christoph Lameter
, (Tue Mar 25, 3:25 pm)
Re: [11/14] vcompound: Fallbacks for order 1 stack allocatio...
, Ingo Molnar
, (Fri Mar 21, 4:39 am)
Re: [11/14] vcompound: Fallbacks for order 1 stack allocatio...
, Christoph Lameter
, (Fri Mar 21, 1:33 pm)
Re: [11/14] vcompound: Fallbacks for order 1 stack allocatio...
, Ingo Molnar
, (Fri Mar 21, 3:02 pm)
Re: [11/14] vcompound: Fallbacks for order 1 stack allocatio...
, Christoph Lameter
, (Fri Mar 21, 3:04 pm)
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