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Home » Mailing list archives » linux-kernel » 2008 » March » 17

[PATCH] [9/18] Export prep_compound_page to the hugetlb allocator

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From: Andi Kleen <andi@...>
To: <linux-kernel@...>, <pj@...>, <linux-mm@...>, <nickpiggin@...>
Subject: [PATCH] [9/18] Export prep_compound_page to the hugetlb allocator
Date: Sunday, March 16, 2008 - 9:58 pm

hugetlb will need to get compound pages from bootmem to handle
the case of them being larger than MAX_ORDER. Export
the constructor function needed for this.

Signed-off-by: Andi Kleen <ak@suse.de>

---
 mm/internal.h   |    2 ++
 mm/page_alloc.c |    2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

Index: linux/mm/internal.h
===================================================================
--- linux.orig/mm/internal.h
+++ linux/mm/internal.h
@@ -13,6 +13,8 @@
 
 #include <linux/mm.h>
 
+extern void prep_compound_page(struct page *page, unsigned long order);
+
 static inline void set_page_count(struct page *page, int v)
 {
 	atomic_set(&page->_count, v);
Index: linux/mm/page_alloc.c
===================================================================
--- linux.orig/mm/page_alloc.c
+++ linux/mm/page_alloc.c
@@ -272,7 +272,7 @@ static void free_compound_page(struct pa
 	__free_pages_ok(page, compound_order(page));
 }
 
-static void prep_compound_page(struct page *page, unsigned long order)
+void prep_compound_page(struct page *page, unsigned long order)
 {
 	int i;
 	int nr_pages = 1 << order;
--
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Messages in current thread:
[PATCH] [0/18] GB pages hugetlb support, Andi Kleen, (Sun Mar 16, 9:58 pm)
Re: [PATCH] [0/18] GB pages hugetlb support, Paul Jackson, (Mon Mar 17, 5:26 am)
[PATCH] [18/18] Implement hugepagesz= option for x86-64, Andi Kleen, (Sun Mar 16, 9:58 pm)
Re: [PATCH] [18/18] Implement hugepagesz= option for x86-64, Paul Jackson, (Mon Mar 17, 5:29 am)
Re: [PATCH] [18/18] Implement hugepagesz= option for x86-64, Andi Kleen, (Mon Mar 17, 5:59 am)
Re: [PATCH] [18/18] Implement hugepagesz= option for x86-64, Paul Jackson, (Mon Mar 17, 6:02 am)
[PATCH] [17/18] Add huge pud support to mm/memory.c, Andi Kleen, (Sun Mar 16, 9:58 pm)
[PATCH] [16/18] Add huge pud support to hugetlbfs, Andi Kleen, (Sun Mar 16, 9:58 pm)
[PATCH] [15/18] Add support to x86-64 to allocate and lookup..., Andi Kleen, (Sun Mar 16, 9:58 pm)
[PATCH] [14/18] Clean up hugetlb boot time printk, Andi Kleen, (Sun Mar 16, 9:58 pm)
Re: [PATCH] [14/18] Clean up hugetlb boot time printk, Mel Gorman, (Tue Mar 18, 12:37 pm)
[PATCH] [13/18] Add support to allocate hugepages of differe..., Andi Kleen, (Sun Mar 16, 9:58 pm)
Re: [PATCH] [13/18] Add support to allocate hugepages of dif..., Mel Gorman, (Tue Mar 18, 12:32 pm)
Re: [PATCH] [13/18] Add support to allocate hugepages of dif..., Andi Kleen, (Tue Mar 18, 12:45 pm)
Re: [PATCH] [13/18] Add support to allocate hugepages of dif..., Mel Gorman, (Tue Mar 18, 12:46 pm)
[PATCH] [12/18] Add support to allocate hugetlb pages that a..., Andi Kleen, (Sun Mar 16, 9:58 pm)
Re: [PATCH] [12/18] Add support to allocate hugetlb pages th..., Andrew Hastings, (Wed Apr 9, 12:05 pm)
Re: [PATCH] [12/18] Add support to allocate hugetlb pages th..., Andi Kleen, (Wed Apr 9, 1:56 pm)
Re: [PATCH] [12/18] Add support to allocate hugetlb pages th..., Mel Gorman, (Tue Mar 18, 12:27 pm)
[PATCH] [11/18] Fix alignment bug in bootmem allocator, Andi Kleen, (Sun Mar 16, 9:58 pm)
Re: [PATCH] [11/18] Fix alignment bug in bootmem allocator, Yinghai Lu, (Sun Mar 16, 10:19 pm)
Re: [PATCH] [11/18] Fix alignment bug in bootmem allocator, Andi Kleen, (Mon Mar 17, 3:02 am)
Re: [PATCH] [11/18] Fix alignment bug in bootmem allocator, Yinghai Lu, (Mon Mar 17, 3:17 am)
Re: [PATCH] [11/18] Fix alignment bug in bootmem allocator, Yinghai Lu, (Mon Mar 17, 3:31 am)
Re: [PATCH] [11/18] Fix alignment bug in bootmem allocator, Andi Kleen, (Mon Mar 17, 3:41 am)
Re: [PATCH] [11/18] Fix alignment bug in bootmem allocator, Yinghai Lu, (Mon Mar 17, 3:53 am)
Re: [PATCH] [11/18] Fix alignment bug in bootmem allocator, Yinghai Lu, (Mon Mar 17, 4:10 am)
Re: [PATCH] [11/18] Fix alignment bug in bootmem allocator, Andi Kleen, (Mon Mar 17, 4:17 am)
Re: [PATCH] [11/18] Fix alignment bug in bootmem allocator, Andi Kleen, (Mon Mar 17, 4:56 am)
Re: [PATCH] [11/18] Fix alignment bug in bootmem allocator, Yinghai Lu, (Mon Mar 17, 2:52 pm)
Re: [PATCH] [11/18] Fix alignment bug in bootmem allocator, Yinghai Lu, (Mon Mar 17, 5:27 pm)
Re: [PATCH] [11/18] Fix alignment bug in bootmem allocator, Yinghai Lu, (Mon Mar 17, 10:06 pm)
Re: [PATCH] [11/18] Fix alignment bug in bootmem allocator, Mel Gorman, (Tue Mar 18, 12:18 pm)
[PATCH] [10/18] Factor out new huge page preparation code in..., Andi Kleen, (Sun Mar 16, 9:58 pm)
Re: [PATCH] [10/18] Factor out new huge page preparation cod..., Mel Gorman, (Tue Mar 18, 12:02 pm)
Re: [PATCH] [10/18] Factor out new huge page preparation cod..., Adam Litke, (Mon Mar 17, 4:31 pm)
[PATCH] [9/18] Export prep_compound_page to the hugetlb allo..., Andi Kleen, (Sun Mar 16, 9:58 pm)
[PATCH] [8/18] Add a __alloc_bootmem_node_nopanic, Andi Kleen, (Sun Mar 16, 9:58 pm)
Re: [PATCH] [8/18] Add a __alloc_bootmem_node_nopanic, Mel Gorman, (Tue Mar 18, 11:54 am)
[PATCH] [7/18] Abstract out the NUMA node round robin code i..., Andi Kleen, (Sun Mar 16, 9:58 pm)
Re: [PATCH] [7/18] Abstract out the NUMA node round robin co..., Mel Gorman, (Tue Mar 18, 11:42 am)
Re: [PATCH] [7/18] Abstract out the NUMA node round robin co..., Andi Kleen, (Tue Mar 18, 11:47 am)
Re: [PATCH] [7/18] Abstract out the NUMA node round robin co..., Mel Gorman, (Tue Mar 18, 12:04 pm)
[PATCH] [6/18] Add support to have individual hstates for ea..., Andi Kleen, (Sun Mar 16, 9:58 pm)
Re: [PATCH] [6/18] Add support to have individual hstates fo..., Mel Gorman, (Tue Mar 18, 11:02 am)
Re: [PATCH] [6/18] Add support to have individual hstates fo..., Adam Litke, (Tue Mar 18, 10:10 am)
[PATCH] [5/18] Expand the hugetlbfs sysctls to handle arrays..., Andi Kleen, (Sun Mar 16, 9:58 pm)
Re: [PATCH] [5/18] Expand the hugetlbfs sysctls to handle ar..., Mel Gorman, (Tue Mar 18, 10:34 am)
Re: [PATCH] [5/18] Expand the hugetlbfs sysctls to handle ar..., Andi Kleen, (Tue Mar 18, 12:49 pm)
Re: [PATCH] [5/18] Expand the hugetlbfs sysctls to handle ar..., Mel Gorman, (Tue Mar 18, 1:01 pm)
[PATCH] [4/18] Add basic support for more than one hstate in..., Andi Kleen, (Sun Mar 16, 9:58 pm)
Re: [PATCH] [4/18] Add basic support for more than one hstat..., Mel Gorman, (Tue Mar 18, 10:11 am)
Re: [PATCH] [4/18] Add basic support for more than one hstat..., Paul Jackson, (Mon Mar 17, 4:09 am)
Re: [PATCH] [4/18] Add basic support for more than one hstat..., Andi Kleen, (Mon Mar 17, 4:15 am)
Re: [PATCH] [4/18] Add basic support for more than one hstat..., Adam Litke, (Mon Mar 17, 4:28 pm)
[PATCH] [3/18] Convert /proc output code over to report mult..., Andi Kleen, (Sun Mar 16, 9:58 pm)
Re: [PATCH] [3/18] Convert /proc output code over to report ..., Mel Gorman, (Tue Mar 18, 8:28 am)
[PATCH] [2/18] Add basic support for more than one hstate in..., Andi Kleen, (Sun Mar 16, 9:58 pm)
Re: [PATCH] [2/18] Add basic support for more than one hstat..., KOSAKI Motohiro, (Sun Mar 23, 6:38 am)
Re: [PATCH] [2/18] Add basic support for more than one hstat..., Andi Kleen, (Sun Mar 23, 7:28 am)
Re: [PATCH] [2/18] Add basic support for more than one hstat..., KOSAKI Motohiro, (Sun Mar 23, 7:30 am)
Re: [PATCH] [2/18] Add basic support for more than one hstat..., Mel Gorman, (Tue Mar 18, 8:23 am)
Re: [PATCH] [2/18] Add basic support for more than one hstat..., Adam Litke, (Mon Mar 17, 4:22 pm)
Re: [PATCH] [2/18] Add basic support for more than one hstat..., Andi Kleen, (Mon Mar 17, 4:44 pm)
[PATCH] [1/18] Convert hugeltlb.c over to pass global state ..., Andi Kleen, (Sun Mar 16, 9:58 pm)
Re: [PATCH] [1/18] Convert hugeltlb.c over to pass global st..., Mel Gorman, (Tue Mar 18, 8:05 am)
Re: [PATCH] [1/18] Convert hugeltlb.c over to pass global st..., Adam Litke, (Mon Mar 17, 4:15 pm)
Re: [PATCH] [0/18] GB pages hugetlb support, Paul Jackson, (Mon Mar 17, 1:35 am)
Re: [PATCH] [0/18] GB pages hugetlb support, Andi Kleen, (Mon Mar 17, 2:58 am)
Re: [PATCH] [0/18] GB pages hugetlb support, Paul Jackson, (Sun Mar 16, 11:11 pm)
Re: [PATCH] [0/18] GB pages hugetlb support, Andi Kleen, (Mon Mar 17, 3:00 am)
Re: [PATCH] [0/18] GB pages hugetlb support, Paul Jackson, (Mon Mar 17, 3:00 am)
Re: [PATCH] [0/18] GB pages hugetlb support, Andi Kleen, (Mon Mar 17, 3:29 am)
Re: [PATCH] [0/18] GB pages hugetlb support, Adam Litke, (Mon Mar 17, 11:05 am)
Re: [PATCH] [0/18] GB pages hugetlb support, Andi Kleen, (Mon Mar 17, 11:33 am)
Re: [PATCH] [0/18] GB pages hugetlb support, Adam Litke, (Mon Mar 17, 11:59 am)

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