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mm/page_alloc.c: remove unused free_bootmem_with_active_regions

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Since commit 397dc00e24 ("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: Baoquan He <bhe@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Link: http://lkml.kernel.org/r/20200402143455.5145-1-bhe@redhat.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Baoquan He
2020-06-03 15:58:45 -07:00
committed by Linus Torvalds
parent 1686766493
commit 4ca7be24ee
2 changed files with 0 additions and 29 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
include/linux/mm.h
View File

@@ -2415,8 +2415,6 @@ static inline unsigned long get_num_physpages(void)
* memblock_add_node(base, size, nid) * memblock_add_node(base, size, nid)
* free_area_init(max_zone_pfns); * 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 * sparse_memory_present_with_active_regions() calls memory_present() for
* each range when SPARSEMEM is enabled. * 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, extern void get_pfn_range_for_nid(unsigned int nid,
unsigned long *start_pfn, unsigned long *end_pfn); unsigned long *start_pfn, unsigned long *end_pfn);
extern unsigned long find_min_pfn_with_active_regions(void); 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); extern void sparse_memory_present_with_active_regions(int nid);
#ifndef CONFIG_NEED_MULTIPLE_NODES #ifndef CONFIG_NEED_MULTIPLE_NODES

25
mm/page_alloc.c
View File

@@ -6295,31 +6295,6 @@ void __meminit init_currently_empty_zone(struct zone *zone,
zone->initialized = 1; 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 * 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. * @nid: The node to call memory_present for. If MAX_NUMNODES, all nodes will be used.