mm: remove find_max_pfn_with_active_regions

It has no user now

Also print out info about adding/removing active regions.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Acked-by: Mel Gorman <mel@csn.ul.ie>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 866a3dbe5c75b98659ecdd7d2514f63fb9de87cc..5e2c8af4999869c91f0b3e6c9769841b1c495e23 100644 (file)
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1041,7 +1041,6 @@ extern unsigned long absent_pages_in_range(unsigned long start_pfn,
 extern void get_pfn_range_for_nid(unsigned int nid,
                        unsigned long *start_pfn, unsigned long *end_pfn);
 extern unsigned long find_min_pfn_with_active_regions(void);
-extern unsigned long find_max_pfn_with_active_regions(void);
 extern void free_bootmem_with_active_regions(int nid,
                                                unsigned long max_low_pfn);
 typedef int (*work_fn_t)(unsigned long, unsigned long, void *);

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 3cf3d05b6bd482767c71265ee3b9ad0d16ad9c7e..401d104d2bb6e12c08e70700eebad915e72c7c2a 100644 (file)
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -3753,23 +3753,6 @@ unsigned long __init find_min_pfn_with_active_regions(void)
        return find_min_pfn_for_node(MAX_NUMNODES);
 }
 
-/**
- * find_max_pfn_with_active_regions - Find the maximum PFN registered
- *
- * It returns the maximum PFN based on information provided via
- * add_active_range().
- */
-unsigned long __init find_max_pfn_with_active_regions(void)
-{
-       int i;
-       unsigned long max_pfn = 0;
-
-       for (i = 0; i < nr_nodemap_entries; i++)
-               max_pfn = max(max_pfn, early_node_map[i].end_pfn);
-
-       return max_pfn;
-}
-
 /*
  * early_calculate_totalpages()
  * Sum pages in active regions for movable zone.