mm: rename memmap_init() and memmap_init_zone()

The current memmap_init_zone() only handles memory region inside one zone,
actually memmap_init() does the memmap init of one zone.  So rename both
of them accordingly.

Link: https://lkml.kernel.org/r/20210122135956.5946-3-bhe@redhat.com
Signed-off-by: Baoquan He <bhe@redhat.com>
Reviewed-by: Mike Rapoport <rppt@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index b19f47a..39b782f 100644 (file)
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -536,18 +536,18 @@ virtual_memmap_init(u64 start, u64 end, void *arg)
                    / sizeof(struct page));
 
        if (map_start < map_end)
-               memmap_init_zone((unsigned long)(map_end - map_start),
+               memmap_init_range((unsigned long)(map_end - map_start),
                                 args->nid, args->zone, page_to_pfn(map_start), page_to_pfn(map_end),
                                 MEMINIT_EARLY, NULL, MIGRATE_MOVABLE);
        return 0;
 }
 
 void __meminit
-memmap_init (unsigned long size, int nid, unsigned long zone,
+memmap_init_zone(unsigned long size, int nid, unsigned long zone,
             unsigned long start_pfn)
 {
        if (!vmem_map) {
-               memmap_init_zone(size, nid, zone, start_pfn, start_pfn + size,
+               memmap_init_range(size, nid, zone, start_pfn, start_pfn + size,
                                 MEMINIT_EARLY, NULL, MIGRATE_MOVABLE);
        } else {
                struct page *start;

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 1c1eabd..56d0eea 100644 (file)
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -2405,10 +2405,10 @@ extern int __meminit early_pfn_to_nid(unsigned long pfn);
 #endif
 
 extern void set_dma_reserve(unsigned long new_dma_reserve);
-extern void memmap_init_zone(unsigned long, int, unsigned long,
+extern void memmap_init_range(unsigned long, int, unsigned long,
                unsigned long, unsigned long, enum meminit_context,
                struct vmem_altmap *, int migratetype);
-extern void memmap_init(unsigned long size, int nid,
+extern void memmap_init_zone(unsigned long size, int nid,
                unsigned long zone, unsigned long range_start_pfn);
 extern void setup_per_zone_wmarks(void);
 extern int __meminit init_per_zone_wmark_min(void);

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index f9d57b9..ddcb1cd 100644 (file)
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -713,7 +713,7 @@ void __ref move_pfn_range_to_zone(struct zone *zone, unsigned long start_pfn,
         * expects the zone spans the pfn range. All the pages in the range
         * are reserved so nobody should be touching them so we should be safe
         */
-       memmap_init_zone(nr_pages, nid, zone_idx(zone), start_pfn, 0,
+       memmap_init_range(nr_pages, nid, zone_idx(zone), start_pfn, 0,
                         MEMINIT_HOTPLUG, altmap, migratetype);
 
        set_zone_contiguous(zone);

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 069561a..519cf52 100644 (file)
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -6121,7 +6121,7 @@ overlap_memmap_init(unsigned long zone, unsigned long *pfn)
  * (usually MIGRATE_MOVABLE). Besides setting the migratetype, no related
  * zone stats (e.g., nr_isolate_pageblock) are touched.
  */
-void __meminit memmap_init_zone(unsigned long size, int nid, unsigned long zone,
+void __meminit memmap_init_range(unsigned long size, int nid, unsigned long zone,
                unsigned long start_pfn, unsigned long zone_end_pfn,
                enum meminit_context context,
                struct vmem_altmap *altmap, int migratetype)
@@ -6258,7 +6258,7 @@ static void __meminit zone_init_free_lists(struct zone *zone)
        }
 }
 
-void __meminit __weak memmap_init(unsigned long size, int nid,
+void __meminit __weak memmap_init_zone(unsigned long size, int nid,
                                  unsigned long zone,
                                  unsigned long range_start_pfn)
 {
@@ -6272,7 +6272,7 @@ void __meminit __weak memmap_init(unsigned long size, int nid,
 
                if (end_pfn > start_pfn) {
                        size = end_pfn - start_pfn;
-                       memmap_init_zone(size, nid, zone, start_pfn, range_end_pfn,
+                       memmap_init_range(size, nid, zone, start_pfn, range_end_pfn,
                                         MEMINIT_EARLY, NULL, MIGRATE_MOVABLE);
                }
        }
@@ -6982,7 +6982,7 @@ static void __init free_area_init_core(struct pglist_data *pgdat)
                set_pageblock_order();
                setup_usemap(pgdat, zone, zone_start_pfn, size);
                init_currently_empty_zone(zone, zone_start_pfn, size);
-               memmap_init(size, nid, j, zone_start_pfn);
+               memmap_init_zone(size, nid, j, zone_start_pfn);
        }
 }