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Re: [PATCH] [5/8] Fix logic error in 64bit memory hotadd

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From: Andi Kleen
Subject: Re: [PATCH] [5/8] Fix logic error in 64bit memory hotadd
Date: Tuesday, February 12, 2008 - 4:20 am

On Tuesday 12 February 2008 11:35:22 Yasunori Goto wrote:

With the logic pud error i found and that seems currently will stay
for the forseeable future in the tree I don't think x86-64 64bit hotadds for more
than 1GB have ever worked with the sparsemem method.

Older trees (before 2.6.24) had also a different method that did
preallocate everything based on the SRAT. That one should have worked 
for this case.

-Andi
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Messages in current thread:
[PATCH] [0/8] Various kernel mapping bug fixes, Andi Kleen, (Mon Feb 11, 2:34 am)
[PATCH] [1/8] CPA: Fix gbpages support in try_preserve_lag ..., Andi Kleen, (Mon Feb 11, 2:34 am)
[PATCH] [2/8] CPA: Flush the caches when setting pages not ..., Andi Kleen, (Mon Feb 11, 2:34 am)
[PATCH] [3/8] CPA: Test the correct mapping alias on x86-64, Andi Kleen, (Mon Feb 11, 2:34 am)
[PATCH] [4/8] CPA: Fix set_memory_x for ioremap, Andi Kleen, (Mon Feb 11, 2:34 am)
[PATCH] [5/8] Fix logic error in 64bit memory hotadd, Andi Kleen, (Mon Feb 11, 2:34 am)
[PATCH] [6/8] Account overlapped mappings in end_pfn_map, Andi Kleen, (Mon Feb 11, 2:34 am)
[PATCH] [7/8] Implement true end_pfn_mapped for 32bit, Andi Kleen, (Mon Feb 11, 2:34 am)
[PATCH] [8/8] RFC: Fix some EFI problems, Andi Kleen, (Mon Feb 11, 2:34 am)
Re: [PATCH] [1/8] CPA: Fix gbpages support in try_preserve ..., Thomas Gleixner, (Mon Feb 11, 2:45 am)
Re: [PATCH] [1/8] CPA: Fix gbpages support in try_preserve ..., Ingo Molnar, (Mon Feb 11, 3:12 am)
Re: [PATCH] [2/8] CPA: Flush the caches when setting pages ..., Ingo Molnar, (Mon Feb 11, 4:00 am)
Re: [PATCH] [1/8] CPA: Fix gbpages support in try_preserve ..., Andi Kleen, (Mon Feb 11, 4:01 am)
Re: [PATCH] [3/8] CPA: Test the correct mapping alias on x ..., Ingo Molnar, (Mon Feb 11, 4:49 am)
Re: [PATCH] [2/8] CPA: Flush the caches when setting pages ..., Andi Kleen, (Mon Feb 11, 5:26 am)
Re: [PATCH] [4/8] CPA: Fix set_memory_x for ioremap, Ingo Molnar, (Mon Feb 11, 5:27 am)
Re: [PATCH] [4/8] CPA: Fix set_memory_x for ioremap, Andi Kleen, (Mon Feb 11, 5:45 am)
Re: [PATCH] [5/8] Fix logic error in 64bit memory hotadd, Ingo Molnar, (Mon Feb 11, 5:46 am)
Re: [PATCH] [5/8] Fix logic error in 64bit memory hotadd, Andi Kleen, (Mon Feb 11, 6:05 am)
Re: [PATCH] [6/8] Account overlapped mappings in end_pfn_map, Ingo Molnar, (Mon Feb 11, 6:08 am)
Re: [PATCH] [6/8] Account overlapped mappings in end_pfn_map, Andi Kleen, (Mon Feb 11, 6:27 am)
Re: [PATCH] [5/8] Fix logic error in 64bit memory hotadd, Ingo Molnar, (Mon Feb 11, 6:33 am)
Re: [PATCH] [5/8] Fix logic error in 64bit memory hotadd, Andi Kleen, (Mon Feb 11, 6:44 am)
Re: [PATCH] [6/8] Account overlapped mappings in end_pfn_map, Ingo Molnar, (Mon Feb 11, 6:55 am)
Re: [PATCH] [6/8] Account overlapped mappings in end_pfn_map, Peter Zijlstra, (Mon Feb 11, 7:16 am)
Re: [PATCH] [6/8] Account overlapped mappings in end_pfn_map, Andi Kleen, (Mon Feb 11, 7:24 am)
Re: [PATCH] [6/8] Account overlapped mappings in end_pfn_map, Sam Ravnborg, (Mon Feb 11, 7:41 am)
Re: [PATCH] [6/8] Account overlapped mappings in end_pfn_map, Arjan van de Ven, (Mon Feb 11, 8:12 am)
Re: [PATCH] [5/8] Fix logic error in 64bit memory hotadd, Yasunori Goto, (Tue Feb 12, 3:35 am)
Re: [PATCH] [5/8] Fix logic error in 64bit memory hotadd, Andi Kleen, (Tue Feb 12, 4:20 am)
Re: [PATCH] [7/8] Implement true end_pfn_mapped for 32bit, Thomas Gleixner, (Tue Feb 12, 12:39 pm)
Re: [PATCH] [7/8] Implement true end_pfn_mapped for 32bit, Andi Kleen, (Tue Feb 12, 12:49 pm)
Re: [PATCH] [8/8] RFC: Fix some EFI problems, Thomas Gleixner, (Tue Feb 12, 1:04 pm)
Re: [PATCH] [8/8] RFC: Fix some EFI problems, Andi Kleen, (Tue Feb 12, 1:23 pm)
Re: [PATCH] [7/8] Implement true end_pfn_mapped for 32bit, Thomas Gleixner, (Tue Feb 12, 1:25 pm)
Re: [PATCH] [8/8] RFC: Fix some EFI problems, Thomas Gleixner, (Tue Feb 12, 1:48 pm)
Re: [PATCH] [8/8] RFC: Fix some EFI problems, Andi Kleen, (Wed Feb 13, 4:05 am)