Messages in this thread Patch in this message | | | Date | Wed, 23 Feb 2011 23:12:05 -0800 | From | Yinghai Lu <> | Subject | [PATCH 2/3] mm: Move contig_page_data define to bootmem.c/nobootmem.c |
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We can remove #ifdef in mm/page_alloc.c
-v2: According to Andrew, fixed the struct layout.
Signed-off-by: Yinghai Lu <yinghai@kernel.org> Acked-by: Andrew Morton <akpm@linux-foundation.org>
--- mm/bootmem.c | 7 +++++++ mm/nobootmem.c | 5 +++++ mm/page_alloc.c | 9 --------- 3 files changed, 12 insertions(+), 9 deletions(-)
Index: linux-2.6/mm/bootmem.c =================================================================== --- linux-2.6.orig/mm/bootmem.c +++ linux-2.6/mm/bootmem.c @@ -23,6 +23,13 @@ #include "internal.h" +#ifndef CONFIG_NEED_MULTIPLE_NODES +struct pglist_data __refdata contig_page_data = { + .bdata = &bootmem_node_data[0] +}; +EXPORT_SYMBOL(contig_page_data); +#endif + unsigned long max_low_pfn; unsigned long min_low_pfn; unsigned long max_pfn; Index: linux-2.6/mm/nobootmem.c =================================================================== --- linux-2.6.orig/mm/nobootmem.c +++ linux-2.6/mm/nobootmem.c @@ -23,6 +23,11 @@ #include "internal.h" +#ifndef CONFIG_NEED_MULTIPLE_NODES +struct pglist_data __refdata contig_page_data; +EXPORT_SYMBOL(contig_page_data); +#endif + unsigned long max_low_pfn; unsigned long min_low_pfn; unsigned long max_pfn; Index: linux-2.6/mm/page_alloc.c =================================================================== --- linux-2.6.orig/mm/page_alloc.c +++ linux-2.6/mm/page_alloc.c @@ -4841,15 +4841,6 @@ void __init set_dma_reserve(unsigned lon dma_reserve = new_dma_reserve; } -#ifndef CONFIG_NEED_MULTIPLE_NODES -struct pglist_data __refdata contig_page_data = { -#ifndef CONFIG_NO_BOOTMEM - .bdata = &bootmem_node_data[0] -#endif - }; -EXPORT_SYMBOL(contig_page_data); -#endif - void __init free_area_init(unsigned long *zones_size) { free_area_init_node(0, zones_size,
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