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Commit 83285c72 authored by Xishi Qiu's avatar Xishi Qiu Committed by Linus Torvalds
Browse files

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



Use "pgdat_end_pfn()" instead of "pgdat->node_start_pfn +
pgdat->node_spanned_pages".  Simplify the code, no functional change.

Signed-off-by: default avatarXishi Qiu <qiuxishi@huawei.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 6408068e

fs/proc/kcore.c

+1 −2
Original line number Diff line number Diff line
@@ -255,8 +255,7 @@ static int kcore_update_ram(void) 
	end_pfn = 0;

	for_each_node_state(nid, N_MEMORY) {

		unsigned long node_end;

		node_end  = NODE_DATA(nid)->node_start_pfn +

			NODE_DATA(nid)->node_spanned_pages;

		node_end = node_end_pfn(nid);

		if (end_pfn < node_end)

			end_pfn = node_end;

	}

mm/bootmem.c

+1 −1
Original line number Diff line number Diff line
@@ -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) {

mm/memory_hotplug.c

+4 −5
Original line number Diff line number Diff line
@@ -365,8 +365,7 @@ static int __meminit move_pfn_range_right(struct zone *z1, struct zone *z2, 
static void grow_pgdat_span(struct pglist_data *pgdat, unsigned long start_pfn,

			    unsigned long end_pfn)

{

	unsigned long old_pgdat_end_pfn =

		pgdat->node_start_pfn + pgdat->node_spanned_pages;

	unsigned long old_pgdat_end_pfn = pgdat_end_pfn(pgdat);



	if (!pgdat->node_spanned_pages || start_pfn < pgdat->node_start_pfn)

		pgdat->node_start_pfn = start_pfn;
@@ -580,8 +579,8 @@ static void shrink_pgdat_span(struct pglist_data *pgdat, 
			      unsigned long start_pfn, unsigned long end_pfn)

{

	unsigned long pgdat_start_pfn = pgdat->node_start_pfn;

	unsigned long pgdat_end_pfn =

		pgdat->node_start_pfn + pgdat->node_spanned_pages;

	unsigned long p = pgdat_end_pfn(pgdat); /* pgdat_end_pfn namespace clash */

	unsigned long pgdat_end_pfn = p;

	unsigned long pfn;

	struct mem_section *ms;

	int nid = pgdat->node_id;