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Re: [PATCH] [0/18] GB pages hugetlb support

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From: Andi Kleen
Subject: Re: [PATCH] [0/18] GB pages hugetlb support
Date: Monday, March 17, 2008 - 8:33 am

> I bet copy_hugetlb_page_range() is causing your complaints.  It takes

Yes. Looking at the warning I'm not sure why lockdep doesn't filter
it out automatically. I cannot think of a legitimate case where
a "possible recursive lock" with different lock addresses would be 
a genuine bug.

So instead of a false positive, it's more like a "always false" :)


I wasn't aware of that one.

-Andi
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[PATCH] [0/18] GB pages hugetlb support, Andi Kleen, (Sun Mar 16, 6:58 pm)
[PATCH] [1/18] Convert hugeltlb.c over to pass global stat ..., Andi Kleen, (Sun Mar 16, 6:58 pm)
[PATCH] [2/18] Add basic support for more than one hstate ..., Andi Kleen, (Sun Mar 16, 6:58 pm)
[PATCH] [3/18] Convert /proc output code over to report mu ..., Andi Kleen, (Sun Mar 16, 6:58 pm)
[PATCH] [4/18] Add basic support for more than one hstate ..., Andi Kleen, (Sun Mar 16, 6:58 pm)
[PATCH] [5/18] Expand the hugetlbfs sysctls to handle arra ..., Andi Kleen, (Sun Mar 16, 6:58 pm)
[PATCH] [6/18] Add support to have individual hstates for ..., Andi Kleen, (Sun Mar 16, 6:58 pm)
[PATCH] [7/18] Abstract out the NUMA node round robin code ..., Andi Kleen, (Sun Mar 16, 6:58 pm)
[PATCH] [8/18] Add a __alloc_bootmem_node_nopanic, Andi Kleen, (Sun Mar 16, 6:58 pm)
[PATCH] [9/18] Export prep_compound_page to the hugetlb al ..., Andi Kleen, (Sun Mar 16, 6:58 pm)
[PATCH] [10/18] Factor out new huge page preparation code ..., Andi Kleen, (Sun Mar 16, 6:58 pm)
[PATCH] [11/18] Fix alignment bug in bootmem allocator, Andi Kleen, (Sun Mar 16, 6:58 pm)
[PATCH] [12/18] Add support to allocate hugetlb pages that ..., Andi Kleen, (Sun Mar 16, 6:58 pm)
[PATCH] [13/18] Add support to allocate hugepages of diffe ..., Andi Kleen, (Sun Mar 16, 6:58 pm)
[PATCH] [14/18] Clean up hugetlb boot time printk, Andi Kleen, (Sun Mar 16, 6:58 pm)
[PATCH] [15/18] Add support to x86-64 to allocate and look ..., Andi Kleen, (Sun Mar 16, 6:58 pm)
[PATCH] [16/18] Add huge pud support to hugetlbfs, Andi Kleen, (Sun Mar 16, 6:58 pm)
[PATCH] [17/18] Add huge pud support to mm/memory.c, Andi Kleen, (Sun Mar 16, 6:58 pm)
[PATCH] [18/18] Implement hugepagesz= option for x86-64, Andi Kleen, (Sun Mar 16, 6:58 pm)
Re: [PATCH] [11/18] Fix alignment bug in bootmem allocator, Yinghai Lu, (Sun Mar 16, 7:19 pm)
Re: [PATCH] [0/18] GB pages hugetlb support, Paul Jackson, (Sun Mar 16, 8:11 pm)
Re: [PATCH] [0/18] GB pages hugetlb support, Paul Jackson, (Sun Mar 16, 10:35 pm)
Re: [PATCH] [0/18] GB pages hugetlb support, Andi Kleen, (Sun Mar 16, 11:58 pm)
Re: [PATCH] [0/18] GB pages hugetlb support, Paul Jackson, (Mon Mar 17, 12:00 am)
Re: [PATCH] [0/18] GB pages hugetlb support, Andi Kleen, (Mon Mar 17, 12:00 am)
Re: [PATCH] [11/18] Fix alignment bug in bootmem allocator, Andi Kleen, (Mon Mar 17, 12:02 am)
Re: [PATCH] [11/18] Fix alignment bug in bootmem allocator, Yinghai Lu, (Mon Mar 17, 12:17 am)
Re: [PATCH] [0/18] GB pages hugetlb support, Andi Kleen, (Mon Mar 17, 12:29 am)
Re: [PATCH] [11/18] Fix alignment bug in bootmem allocator, Yinghai Lu, (Mon Mar 17, 12:31 am)
Re: [PATCH] [11/18] Fix alignment bug in bootmem allocator, Andi Kleen, (Mon Mar 17, 12:41 am)
Re: [PATCH] [11/18] Fix alignment bug in bootmem allocator, Yinghai Lu, (Mon Mar 17, 12:53 am)
Re: [PATCH] [4/18] Add basic support for more than one hst ..., Paul Jackson, (Mon Mar 17, 1:09 am)
Re: [PATCH] [11/18] Fix alignment bug in bootmem allocator, Yinghai Lu, (Mon Mar 17, 1:10 am)
Re: [PATCH] [4/18] Add basic support for more than one hst ..., Andi Kleen, (Mon Mar 17, 1:15 am)
Re: [PATCH] [11/18] Fix alignment bug in bootmem allocator, Andi Kleen, (Mon Mar 17, 1:17 am)
Re: [PATCH] [11/18] Fix alignment bug in bootmem allocator, Andi Kleen, (Mon Mar 17, 1:56 am)
Re: [PATCH] [0/18] GB pages hugetlb support, Paul Jackson, (Mon Mar 17, 2:26 am)
Re: [PATCH] [18/18] Implement hugepagesz= option for x86-64, Paul Jackson, (Mon Mar 17, 2:29 am)
Re: [PATCH] [18/18] Implement hugepagesz= option for x86-64, Andi Kleen, (Mon Mar 17, 2:59 am)
Re: [PATCH] [18/18] Implement hugepagesz= option for x86-64, Paul Jackson, (Mon Mar 17, 3:02 am)
Re: [PATCH] [0/18] GB pages hugetlb support, Adam Litke, (Mon Mar 17, 8:05 am)
Re: [PATCH] [0/18] GB pages hugetlb support, Andi Kleen, (Mon Mar 17, 8:33 am)
Re: [PATCH] [0/18] GB pages hugetlb support, Adam Litke, (Mon Mar 17, 8:59 am)
Re: [PATCH] [11/18] Fix alignment bug in bootmem allocator, Yinghai Lu, (Mon Mar 17, 11:52 am)
Re: [PATCH] [1/18] Convert hugeltlb.c over to pass global ..., Adam Litke, (Mon Mar 17, 1:15 pm)
Re: [PATCH] [2/18] Add basic support for more than one hst ..., Adam Litke, (Mon Mar 17, 1:22 pm)
Re: [PATCH] [4/18] Add basic support for more than one hst ..., Adam Litke, (Mon Mar 17, 1:28 pm)
Re: [PATCH] [10/18] Factor out new huge page preparation c ..., Adam Litke, (Mon Mar 17, 1:31 pm)
Re: [PATCH] [2/18] Add basic support for more than one hst ..., Andi Kleen, (Mon Mar 17, 1:44 pm)
Re: [PATCH] [11/18] Fix alignment bug in bootmem allocator, Yinghai Lu, (Mon Mar 17, 2:27 pm)
Re: [PATCH] [11/18] Fix alignment bug in bootmem allocator, Yinghai Lu, (Mon Mar 17, 7:06 pm)
Re: [PATCH] [1/18] Convert hugeltlb.c over to pass global ..., Mel Gorman, (Tue Mar 18, 5:05 am)
Re: [PATCH] [2/18] Add basic support for more than one hst ..., Mel Gorman, (Tue Mar 18, 5:23 am)
Re: [PATCH] [3/18] Convert /proc output code over to repor ..., Mel Gorman, (Tue Mar 18, 5:28 am)
Re: [PATCH] [6/18] Add support to have individual hstates ..., Adam Litke, (Tue Mar 18, 7:10 am)
Re: [PATCH] [4/18] Add basic support for more than one hst ..., Mel Gorman, (Tue Mar 18, 7:11 am)
Re: [PATCH] [5/18] Expand the hugetlbfs sysctls to handle ..., Mel Gorman, (Tue Mar 18, 7:34 am)
Re: [PATCH] [6/18] Add support to have individual hstates ..., Mel Gorman, (Tue Mar 18, 8:02 am)
Re: [PATCH] [7/18] Abstract out the NUMA node round robin ..., Mel Gorman, (Tue Mar 18, 8:42 am)
Re: [PATCH] [7/18] Abstract out the NUMA node round robin ..., Andi Kleen, (Tue Mar 18, 8:47 am)
Re: [PATCH] [8/18] Add a __alloc_bootmem_node_nopanic, Mel Gorman, (Tue Mar 18, 8:54 am)
Re: [PATCH] [10/18] Factor out new huge page preparation c ..., Mel Gorman, (Tue Mar 18, 9:02 am)
Re: [PATCH] [7/18] Abstract out the NUMA node round robin ..., Mel Gorman, (Tue Mar 18, 9:04 am)
Re: [PATCH] [11/18] Fix alignment bug in bootmem allocator, Mel Gorman, (Tue Mar 18, 9:18 am)
Re: [PATCH] [12/18] Add support to allocate hugetlb pages ..., Mel Gorman, (Tue Mar 18, 9:27 am)
Re: [PATCH] [13/18] Add support to allocate hugepages of d ..., Mel Gorman, (Tue Mar 18, 9:32 am)
Re: [PATCH] [14/18] Clean up hugetlb boot time printk, Mel Gorman, (Tue Mar 18, 9:37 am)
Re: [PATCH] [13/18] Add support to allocate hugepages of d ..., Andi Kleen, (Tue Mar 18, 9:45 am)
Re: [PATCH] [13/18] Add support to allocate hugepages of d ..., Mel Gorman, (Tue Mar 18, 9:46 am)
Re: [PATCH] [5/18] Expand the hugetlbfs sysctls to handle ..., Andi Kleen, (Tue Mar 18, 9:49 am)
Re: [PATCH] [5/18] Expand the hugetlbfs sysctls to handle ..., Mel Gorman, (Tue Mar 18, 10:01 am)
Re: [PATCH] [2/18] Add basic support for more than one hst ..., KOSAKI Motohiro, (Sun Mar 23, 3:38 am)
Re: [PATCH] [2/18] Add basic support for more than one hst ..., Andi Kleen, (Sun Mar 23, 4:28 am)
Re: [PATCH] [2/18] Add basic support for more than one hst ..., KOSAKI Motohiro, (Sun Mar 23, 4:30 am)
Re: [PATCH] [12/18] Add support to allocate hugetlb pages ..., Andrew Hastings, (Wed Apr 9, 9:05 am)
Re: [PATCH] [12/18] Add support to allocate hugetlb pages ..., Andi Kleen, (Wed Apr 9, 10:56 am)