Re: [11/14] vcompound: Fallbacks for order 1 stack allocations on IA64 and x86

view
thread

!MAILaRCHIVE_VOTE_RePLACE

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

[view in full thread]

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
--
unsubscribe noticeTo unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

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)

Navigation

Popular discussions


linux-kernel:
Tarkan Erimer	Re: Dual-Licensing Linux Kernel with GPL V2 and GPL V3
Greg Kroah-Hartman	[PATCH 008/196] Chinese: add translation of volatile-considered-harmful.txt
Andrew Morton	-mm merge plans for 2.6.23
James Bottomley	Re: Integration of SCST in the mainstream Linux kernel
git:

linux-netdev:
Jarek Poplawski	[PATCH] pkt_sched: Destroy gen estimators under rtnl_lock().
David Miller	[GIT]: Networking
Jens Låås	Re: tx queue hashing hot-spots and poor performance (multiq, ixgbe)
Gerrit Renker	[PATCH 27/37] dccp: Integration of dynamic feature activation - part 2 (server side)
openbsd-misc:

Colocation donated by:

Online users

Syndicate