Re: [patch 04/41] cpu ops: Core piece for generic atomic per cpu operations | KernelTrap

Re: [patch 04/41] cpu ops: Core piece for generic atomic per cpu operations

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From: Christoph Lameter

Subject: Re: [patch 04/41] cpu ops: Core piece for generic atomic per cpu operations

Date: Thursday, June 12, 2008 - 10:19 am

Populating the per cpu areas on demand is a good thing especially for 
configurations with a large number of processors. If we really go to 
support 4k processor by default then we need to allocate the smallest 
amount of per cpu structures necessary. Maybe ACPI or so can tell us how 
many processors are possible and we only allocate those. But it would be 
best if the percpu structures are only allocated for actually active 
processors.

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Messages in current thread:

[patch 04/41] cpu ops: Core piece for generic atomic per c ..., Christoph Lameter, (Thu May 29, 8:56 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Andrew Morton, (Thu May 29, 9:58 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Christoph Lameter, (Thu May 29, 10:17 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Andrew Morton, (Thu May 29, 10:38 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Christoph Lameter, (Thu May 29, 11:12 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Rusty Russell, (Thu May 29, 11:32 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Rusty Russell, (Fri May 30, 12:05 am)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Rusty Russell, (Fri May 30, 12:08 am)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Christoph Lameter, (Fri May 30, 11:00 am)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Rusty Russell, (Sun Jun 1, 7:00 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Mike Travis, (Wed Jun 4, 11:18 am)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Rusty Russell, (Thu Jun 5, 4:59 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Christoph Lameter, (Mon Jun 9, 12:00 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Christoph Lameter, (Mon Jun 9, 4:09 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Rusty Russell, (Mon Jun 9, 4:27 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Christoph Lameter, (Mon Jun 9, 4:54 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Rusty Russell, (Mon Jun 9, 7:56 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Christoph Lameter, (Mon Jun 9, 8:18 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Christoph Lameter, (Tue Jun 10, 10:42 am)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Rusty Russell, (Tue Jun 10, 5:03 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Christoph Lameter, (Tue Jun 10, 5:15 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Rusty Russell, (Wed Jun 11, 4:10 am)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Christoph Lameter, (Wed Jun 11, 4:39 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Nick Piggin, (Wed Jun 11, 5:58 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Rusty Russell, (Wed Jun 11, 7:44 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Nick Piggin, (Wed Jun 11, 8:40 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Martin Peschke, (Thu Jun 12, 2:37 am)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Nick Piggin, (Thu Jun 12, 4:21 am)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Christoph Lameter, (Thu Jun 12, 10:19 am)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Rusty Russell, (Thu Jun 12, 5:38 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Christoph Lameter, (Thu Jun 12, 7:27 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Rusty Russell, (Sun Jun 15, 3:33 am)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Christoph Lameter, (Mon Jun 16, 7:52 am)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Rusty Russell, (Mon Jun 16, 5:24 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Christoph Lameter, (Mon Jun 16, 7:29 pm)

Re: [patch 04/41] cpu ops: Core piece for generic atomic p ..., Mike Travis, (Tue Jun 17, 7:21 am)