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authorRoss Zwisler <ross.zwisler@linux.intel.com>2018-02-03 00:26:10 -0700
committerRoss Zwisler <ross.zwisler@linux.intel.com>2018-02-03 00:26:10 -0700
commitd121f07691415df824e6b60520f782f6d13b3c81 (patch)
tree422ad3cc6fd631604fef4e469e49bacba8202e52 /mm/sparse.c
parent59858d3d54cfad1f8db67c2c07e4dd33bb6ed955 (diff)
parent569d0365f571fa6421a5c80bc30d1b2cdab857fe (diff)
downloadlinux-d121f07691415df824e6b60520f782f6d13b3c81.tar.bz2
Merge branch 'for-4.16/dax' into libnvdimm-for-next
Diffstat (limited to 'mm/sparse.c')
-rw-r--r--mm/sparse.c43
1 files changed, 25 insertions, 18 deletions
diff --git a/mm/sparse.c b/mm/sparse.c
index 7a5dacaa06e3..06130c13dc99 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -417,7 +417,8 @@ static void __init sparse_early_usemaps_alloc_node(void *data,
}
#ifndef CONFIG_SPARSEMEM_VMEMMAP
-struct page __init *sparse_mem_map_populate(unsigned long pnum, int nid)
+struct page __init *sparse_mem_map_populate(unsigned long pnum, int nid,
+ struct vmem_altmap *altmap)
{
struct page *map;
unsigned long size;
@@ -472,7 +473,7 @@ void __init sparse_mem_maps_populate_node(struct page **map_map,
if (!present_section_nr(pnum))
continue;
- map_map[pnum] = sparse_mem_map_populate(pnum, nodeid);
+ map_map[pnum] = sparse_mem_map_populate(pnum, nodeid, NULL);
if (map_map[pnum])
continue;
ms = __nr_to_section(pnum);
@@ -500,7 +501,7 @@ static struct page __init *sparse_early_mem_map_alloc(unsigned long pnum)
struct mem_section *ms = __nr_to_section(pnum);
int nid = sparse_early_nid(ms);
- map = sparse_mem_map_populate(pnum, nid);
+ map = sparse_mem_map_populate(pnum, nid, NULL);
if (map)
return map;
@@ -678,17 +679,19 @@ void offline_mem_sections(unsigned long start_pfn, unsigned long end_pfn)
#endif
#ifdef CONFIG_SPARSEMEM_VMEMMAP
-static inline struct page *kmalloc_section_memmap(unsigned long pnum, int nid)
+static inline struct page *kmalloc_section_memmap(unsigned long pnum, int nid,
+ struct vmem_altmap *altmap)
{
/* This will make the necessary allocations eventually. */
- return sparse_mem_map_populate(pnum, nid);
+ return sparse_mem_map_populate(pnum, nid, altmap);
}
-static void __kfree_section_memmap(struct page *memmap)
+static void __kfree_section_memmap(struct page *memmap,
+ struct vmem_altmap *altmap)
{
unsigned long start = (unsigned long)memmap;
unsigned long end = (unsigned long)(memmap + PAGES_PER_SECTION);
- vmemmap_free(start, end);
+ vmemmap_free(start, end, altmap);
}
#ifdef CONFIG_MEMORY_HOTREMOVE
static void free_map_bootmem(struct page *memmap)
@@ -696,7 +699,7 @@ static void free_map_bootmem(struct page *memmap)
unsigned long start = (unsigned long)memmap;
unsigned long end = (unsigned long)(memmap + PAGES_PER_SECTION);
- vmemmap_free(start, end);
+ vmemmap_free(start, end, NULL);
}
#endif /* CONFIG_MEMORY_HOTREMOVE */
#else
@@ -721,12 +724,14 @@ got_map_ptr:
return ret;
}
-static inline struct page *kmalloc_section_memmap(unsigned long pnum, int nid)
+static inline struct page *kmalloc_section_memmap(unsigned long pnum, int nid,
+ struct vmem_altmap *altmap)
{
return __kmalloc_section_memmap();
}
-static void __kfree_section_memmap(struct page *memmap)
+static void __kfree_section_memmap(struct page *memmap,
+ struct vmem_altmap *altmap)
{
if (is_vmalloc_addr(memmap))
vfree(memmap);
@@ -773,7 +778,8 @@ static void free_map_bootmem(struct page *memmap)
* set. If this is <=0, then that means that the passed-in
* map was not consumed and must be freed.
*/
-int __meminit sparse_add_one_section(struct pglist_data *pgdat, unsigned long start_pfn)
+int __meminit sparse_add_one_section(struct pglist_data *pgdat,
+ unsigned long start_pfn, struct vmem_altmap *altmap)
{
unsigned long section_nr = pfn_to_section_nr(start_pfn);
struct mem_section *ms;
@@ -789,12 +795,12 @@ int __meminit sparse_add_one_section(struct pglist_data *pgdat, unsigned long st
ret = sparse_index_init(section_nr, pgdat->node_id);
if (ret < 0 && ret != -EEXIST)
return ret;
- memmap = kmalloc_section_memmap(section_nr, pgdat->node_id);
+ memmap = kmalloc_section_memmap(section_nr, pgdat->node_id, altmap);
if (!memmap)
return -ENOMEM;
usemap = __kmalloc_section_usemap();
if (!usemap) {
- __kfree_section_memmap(memmap);
+ __kfree_section_memmap(memmap, altmap);
return -ENOMEM;
}
@@ -816,7 +822,7 @@ out:
pgdat_resize_unlock(pgdat, &flags);
if (ret <= 0) {
kfree(usemap);
- __kfree_section_memmap(memmap);
+ __kfree_section_memmap(memmap, altmap);
}
return ret;
}
@@ -843,7 +849,8 @@ static inline void clear_hwpoisoned_pages(struct page *memmap, int nr_pages)
}
#endif
-static void free_section_usemap(struct page *memmap, unsigned long *usemap)
+static void free_section_usemap(struct page *memmap, unsigned long *usemap,
+ struct vmem_altmap *altmap)
{
struct page *usemap_page;
@@ -857,7 +864,7 @@ static void free_section_usemap(struct page *memmap, unsigned long *usemap)
if (PageSlab(usemap_page) || PageCompound(usemap_page)) {
kfree(usemap);
if (memmap)
- __kfree_section_memmap(memmap);
+ __kfree_section_memmap(memmap, altmap);
return;
}
@@ -871,7 +878,7 @@ static void free_section_usemap(struct page *memmap, unsigned long *usemap)
}
void sparse_remove_one_section(struct zone *zone, struct mem_section *ms,
- unsigned long map_offset)
+ unsigned long map_offset, struct vmem_altmap *altmap)
{
struct page *memmap = NULL;
unsigned long *usemap = NULL, flags;
@@ -889,7 +896,7 @@ void sparse_remove_one_section(struct zone *zone, struct mem_section *ms,
clear_hwpoisoned_pages(memmap + map_offset,
PAGES_PER_SECTION - map_offset);
- free_section_usemap(memmap, usemap);
+ free_section_usemap(memmap, usemap, altmap);
}
#endif /* CONFIG_MEMORY_HOTREMOVE */
#endif /* CONFIG_MEMORY_HOTPLUG */