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Subject[PATCH 10/16] mm: remove obsolete alloc_remap()
Date
Tile was the only remaining architecture to implement alloc_remap(),
and since that is being removed, there is no point in keeping this
function.

Removing all callers simplifies the mem_map handling.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
include/linux/bootmem.h | 9 ---------
mm/page_alloc.c | 5 +----
mm/sparse.c | 15 ---------------
3 files changed, 1 insertion(+), 28 deletions(-)

diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h
index a53063e9d7d8..7942a96b1a9d 100644
--- a/include/linux/bootmem.h
+++ b/include/linux/bootmem.h
@@ -364,15 +364,6 @@ static inline void __init memblock_free_late(
}
#endif /* defined(CONFIG_HAVE_MEMBLOCK) && defined(CONFIG_NO_BOOTMEM) */

-#ifdef CONFIG_HAVE_ARCH_ALLOC_REMAP
-extern void *alloc_remap(int nid, unsigned long size);
-#else
-static inline void *alloc_remap(int nid, unsigned long size)
-{
- return NULL;
-}
-#endif /* CONFIG_HAVE_ARCH_ALLOC_REMAP */
-
extern void *alloc_large_system_hash(const char *tablename,
unsigned long bucketsize,
unsigned long numentries,
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index cb416723538f..484e21062228 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -6199,10 +6199,7 @@ static void __ref alloc_node_mem_map(struct pglist_data *pgdat)
end = pgdat_end_pfn(pgdat);
end = ALIGN(end, MAX_ORDER_NR_PAGES);
size = (end - start) * sizeof(struct page);
- map = alloc_remap(pgdat->node_id, size);
- if (!map)
- map = memblock_virt_alloc_node_nopanic(size,
- pgdat->node_id);
+ map = memblock_virt_alloc_node_nopanic(size, pgdat->node_id);
pgdat->node_mem_map = map + offset;
}
pr_debug("%s: node %d, pgdat %08lx, node_mem_map %08lx\n",
diff --git a/mm/sparse.c b/mm/sparse.c
index 7af5e7a92528..65bb52599f90 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -427,10 +427,6 @@ struct page __init *sparse_mem_map_populate(unsigned long pnum, int nid,
struct page *map;
unsigned long size;

- map = alloc_remap(nid, sizeof(struct page) * PAGES_PER_SECTION);
- if (map)
- return map;
-
size = PAGE_ALIGN(sizeof(struct page) * PAGES_PER_SECTION);
map = memblock_virt_alloc_try_nid(size,
PAGE_SIZE, __pa(MAX_DMA_ADDRESS),
@@ -446,17 +442,6 @@ void __init sparse_mem_maps_populate_node(struct page **map_map,
unsigned long pnum;
unsigned long size = sizeof(struct page) * PAGES_PER_SECTION;

- map = alloc_remap(nodeid, size * map_count);
- if (map) {
- for (pnum = pnum_begin; pnum < pnum_end; pnum++) {
- if (!present_section_nr(pnum))
- continue;
- map_map[pnum] = map;
- map += size;
- }
- return;
- }
-
size = PAGE_ALIGN(size);
map = memblock_virt_alloc_try_nid_raw(size * map_count,
PAGE_SIZE, __pa(MAX_DMA_ADDRESS),
--
2.9.0
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