forked from luck/tmp_suning_uos_patched
Move three functions that are only needed for CONFIG_MEMORY_HOTPLUG
into the appropriate #ifdef. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Yasunori Goto <y-goto@jp.fujitsu.com> Cc: Andy Whitcroft <apw@shadowen.org> Cc: Badari Pulavarty <pbadari@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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parent
4249e08e92
commit
193faea928
42
mm/sparse.c
42
mm/sparse.c
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@ -240,6 +240,27 @@ static struct page __init *sparse_early_mem_map_alloc(unsigned long pnum)
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return NULL;
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}
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/*
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* Allocate the accumulated non-linear sections, allocate a mem_map
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* for each and record the physical to section mapping.
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*/
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void __init sparse_init(void)
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{
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unsigned long pnum;
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struct page *map;
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for (pnum = 0; pnum < NR_MEM_SECTIONS; pnum++) {
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if (!valid_section_nr(pnum))
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continue;
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map = sparse_early_mem_map_alloc(pnum);
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if (!map)
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continue;
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sparse_init_one_section(__nr_to_section(pnum), pnum, map);
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}
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}
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#ifdef CONFIG_MEMORY_HOTPLUG
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static struct page *__kmalloc_section_memmap(unsigned long nr_pages)
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{
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struct page *page, *ret;
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@ -279,27 +300,6 @@ static void __kfree_section_memmap(struct page *memmap, unsigned long nr_pages)
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get_order(sizeof(struct page) * nr_pages));
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}
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/*
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* Allocate the accumulated non-linear sections, allocate a mem_map
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* for each and record the physical to section mapping.
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*/
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void __init sparse_init(void)
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{
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unsigned long pnum;
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struct page *map;
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for (pnum = 0; pnum < NR_MEM_SECTIONS; pnum++) {
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if (!valid_section_nr(pnum))
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continue;
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map = sparse_early_mem_map_alloc(pnum);
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if (!map)
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continue;
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sparse_init_one_section(__nr_to_section(pnum), pnum, map);
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}
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}
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#ifdef CONFIG_MEMORY_HOTPLUG
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/*
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* returns the number of sections whose mem_maps were properly
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* set. If this is <=0, then that means that the passed-in
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