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mm: use pgdat_end_pfn() to simplify the code in others

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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 <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Xishi Qiu 2013-11-12 15:07:19 -08:00 • committed by Linus Torvalds
commit 83285c72e0
3 changed files with 6 additions and 8 deletions
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2
mm/bootmem.c
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@ -784,7 +784,7 @@ void * __init __alloc_bootmem_node_high(pg_data_t *pgdat, unsigned long size,
return kzalloc_node(size, GFP_NOWAIT, pgdat->node_id);
/* update goal according ...MAX_DMA32_PFN */
end_pfn = pgdat->node_start_pfn + pgdat->node_spanned_pages;
end_pfn = pgdat_end_pfn(pgdat);
if (end_pfn > MAX_DMA32_PFN + (128 >> (20 - PAGE_SHIFT)) &&
(goal >> PAGE_SHIFT) < MAX_DMA32_PFN) {