From 4ca7be24eeb3198dffdae9472d7464c8b8cadadb Mon Sep 17 00:00:00 2001
From: Baoquan He <bhe@redhat.com>
Date: Wed, 3 Jun 2020 15:58:45 -0700
Subject: [PATCH] mm/page_alloc.c: remove unused
free_bootmem_with_active_regions
Since commit 397dc00e249ec64e10 ("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>
---
include/linux/mm.h | 4 ----
mm/page_alloc.c | 25 -------------------------
2 files changed, 29 deletions(-)
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 0d998c84231c92..4141ebcb3a654c 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -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
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 5207a9e8638841..a1a4f883b7f5f4 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -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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