[PATCH] Drop nr_free_pages_pgdat()

Function is unnecessary now.  We can use the summing features of the ZVCs to
get the values we need.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/ia64/mm/init.c

@@ -68,7 +68,7 @@ max_pgt_pages(void)
 #ifndef	CONFIG_NUMA
 	node_free_pages = nr_free_pages();
 #else
-	node_free_pages = nr_free_pages_pgdat(NODE_DATA(numa_node_id()));
+	node_free_pages = node_page_state(numa_node_id(), NR_FREE_PAGES);
 #endif
 	max_pgt_pages = node_free_pages / PGT_FRACTION_OF_NODE_MEM;
 	max_pgt_pages = max(max_pgt_pages, MIN_PGT_PAGES);

include/linux/swap.h

@@ -170,7 +170,6 @@ extern void swapin_readahead(swp_entry_t, unsigned long, struct vm_area_struct *
 extern unsigned long totalram_pages;
 extern unsigned long totalreserve_pages;
 extern long nr_swap_pages;
-extern unsigned int nr_free_pages_pgdat(pg_data_t *pgdat);
 extern unsigned int nr_free_buffer_pages(void);
 extern unsigned int nr_free_pagecache_pages(void);
 

mm/page_alloc.c

@@ -1440,13 +1440,6 @@ fastcall void free_pages(unsigned long addr, unsigned int order)
 
 EXPORT_SYMBOL(free_pages);
 
-#ifdef CONFIG_NUMA
-unsigned int nr_free_pages_pgdat(pg_data_t *pgdat)
-{
-	return node_page_state(pgdat->node_id, NR_FREE_PAGES);
-}
-#endif
-
 static unsigned int nr_free_zone_pages(int offset)
 {
 	/* Just pick one node, since fallback list is circular */