memblock: Add find_memory_core_early()

According to node range in early_node_map[] with __memblock_find_in_range
to find free range.

Will be used by memblock_x86_find_in_range_node()

memblock_x86_find_in_range_node will be used to find right buffer for NODE_DATA

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/mm.h b/include/linux/mm.h
index a2b48041b910..993e85f0afcb 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1164,6 +1164,8 @@ extern void free_bootmem_with_active_regions(int nid,
                                                 unsigned long max_low_pfn);
 int add_from_early_node_map(struct range *range, int az,
                                    int nr_range, int nid);
+u64 __init find_memory_core_early(int nid, u64 size, u64 align,
+                                        u64 goal, u64 limit);
 void *__alloc_memory_core_early(int nodeid, u64 size, u64 align,
                                  u64 goal, u64 limit);
 typedef int (*work_fn_t)(unsigned long, unsigned long, void *);