Commit 4ca7be24 authored by Baoquan He's avatar Baoquan He Committed by Linus Torvalds
Browse files

mm/page_alloc.c: remove unused free_bootmem_with_active_regions 



Since commit 397dc00e ("mips: sgi-ip27: switch from DISCONTIGMEM
to SPARSEMEM"), the last caller of free_bootmem_with_active_regions() was
gone.  Now no user calls it any more.

Let's remove it.

Signed-off-by: default avatarBaoquan He <bhe@redhat.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Reviewed-by: default avatarDavid Hildenbrand <david@redhat.com>
Acked-by: default avatarMichal Hocko <mhocko@suse.com>
Link: http://lkml.kernel.org/r/20200402143455.5145-1-bhe@redhat.com


Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 16867664

include/linux/mm.h

+0 −4
Original line number Diff line number Diff line
@@ -2415,8 +2415,6 @@ static inline unsigned long get_num_physpages(void) 
 * 	memblock_add_node(base, size, nid)

 * free_area_init(max_zone_pfns);

 *

 * free_bootmem_with_active_regions() calls free_bootmem_node() for each

 * registered physical page range.  Similarly

 * sparse_memory_present_with_active_regions() calls memory_present() for

 * each range when SPARSEMEM is enabled.

 */
@@ -2429,8 +2427,6 @@ 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 void free_bootmem_with_active_regions(int nid,

						unsigned long max_low_pfn);

extern void sparse_memory_present_with_active_regions(int nid);



#ifndef CONFIG_NEED_MULTIPLE_NODES

mm/page_alloc.c

+0 −25
Original line number Diff line number Diff line
@@ -6295,31 +6295,6 @@ void __meminit init_currently_empty_zone(struct zone *zone, 
	zone->initialized = 1;

}



/**

 * free_bootmem_with_active_regions - Call memblock_free_early_nid for each active range

 * @nid: The node to free memory on. If MAX_NUMNODES, all nodes are freed.

 * @max_low_pfn: The highest PFN that will be passed to memblock_free_early_nid

 *

 * If an architecture guarantees that all ranges registered contain no holes

 * and may be freed, this this function may be used instead of calling

 * memblock_free_early_nid() manually.

 */

void __init free_bootmem_with_active_regions(int nid, unsigned long max_low_pfn)

{

	unsigned long start_pfn, end_pfn;

	int i, this_nid;



	for_each_mem_pfn_range(i, nid, &start_pfn, &end_pfn, &this_nid) {

		start_pfn = min(start_pfn, max_low_pfn);

		end_pfn = min(end_pfn, max_low_pfn);



		if (start_pfn < end_pfn)

			memblock_free_early_nid(PFN_PHYS(start_pfn),

					(end_pfn - start_pfn) << PAGE_SHIFT,

					this_nid);

	}

}



/**

 * sparse_memory_present_with_active_regions - Call memory_present for each active range

 * @nid: The node to call memory_present for. If MAX_NUMNODES, all nodes will be used.

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