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mm: use pgdat_end_pfn() to simplify the code in arch
Use "pgdat_end_pfn()" instead of "pgdat->node_start_pfn + pgdat->node_spanned_pages". Simplify the code, no functional change. Signed-off-by: Xishi Qiu <qiuxishi@huawei.com> Cc: James Hogan <james.hogan@imgtec.com> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -357,9 +357,7 @@ int vmemmap_find_next_valid_pfn(int node, int i)
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end_address = (unsigned long) &vmem_map[pgdat->node_start_pfn + i];
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end_address = PAGE_ALIGN(end_address);
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stop_address = (unsigned long) &vmem_map[
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pgdat->node_start_pfn + pgdat->node_spanned_pages];
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stop_address = (unsigned long) &vmem_map[pgdat_end_pfn(pgdat)];
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do {
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pgd_t *pgd;
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@ -148,7 +148,7 @@ static void __init bootmem_init_one_node(unsigned int nid)
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if (!p->node_spanned_pages)
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return;
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end_pfn = p->node_start_pfn + p->node_spanned_pages;
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end_pfn = pgdat_end_pfn(p);
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#ifdef CONFIG_HIGHMEM
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if (end_pfn > max_low_pfn)
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end_pfn = max_low_pfn;
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@ -938,8 +938,7 @@ static void __init mark_reserved_regions_for_nid(int nid)
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unsigned long start_pfn = physbase >> PAGE_SHIFT;
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unsigned long end_pfn = PFN_UP(physbase + size);
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struct node_active_region node_ar;
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unsigned long node_end_pfn = node->node_start_pfn +
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node->node_spanned_pages;
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unsigned long node_end_pfn = pgdat_end_pfn(node);
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/*
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* Check to make sure that this memblock.reserved area is
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@ -231,7 +231,7 @@ static void __init bootmem_init_one_node(unsigned int nid)
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if (!p->node_spanned_pages)
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return;
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end_pfn = p->node_start_pfn + p->node_spanned_pages;
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end_pfn = pgdat_end_pfn(p);
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total_pages = bootmem_bootmap_pages(p->node_spanned_pages);
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