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-rw-r--r--mm/bootmem.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/mm/bootmem.c b/mm/bootmem.c
index c1330cc19783..8ec4e4c2a179 100644
--- a/mm/bootmem.c
+++ b/mm/bootmem.c
@@ -61,9 +61,17 @@ static unsigned long __init init_bootmem_core (pg_data_t *pgdat,
{
bootmem_data_t *bdata = pgdat->bdata;
unsigned long mapsize = ((end - start)+7)/8;
-
- pgdat->pgdat_next = pgdat_list;
- pgdat_list = pgdat;
+ static struct pglist_data *pgdat_last;
+
+ pgdat->pgdat_next = NULL;
+ /* Add new nodes last so that bootmem always starts
+ searching in the first nodes, not the last ones */
+ if (pgdat_last)
+ pgdat_last->pgdat_next = pgdat;
+ else {
+ pgdat_list = pgdat;
+ pgdat_last = pgdat;
+ }
mapsize = ALIGN(mapsize, sizeof(long));
bdata->node_bootmem_map = phys_to_virt(mapstart << PAGE_SHIFT);
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