mm: nobootmem: Correct alloc_bootmem semantics.

[karo-tx-linux.git] / mm / nobootmem.c

diff --git a/mm/nobootmem.c b/mm/nobootmem.c
index 24f0fc1a56d60ebbbacf1950ac0ebec7067dbf41..e53bb8a256b196018c26899427897a0f471d8193 100644 (file)
--- a/mm/nobootmem.c
+++ b/mm/nobootmem.c
@@ -298,13 +298,19 @@ void * __init __alloc_bootmem_node(pg_data_t *pgdat, unsigned long size,
        if (WARN_ON_ONCE(slab_is_available()))
                return kzalloc_node(size, GFP_NOWAIT, pgdat->node_id);
 
+again:
        ptr = __alloc_memory_core_early(pgdat->node_id, size, align,
                                         goal, -1ULL);
        if (ptr)
                return ptr;
 
-       return __alloc_memory_core_early(MAX_NUMNODES, size, align,
-                                        goal, -1ULL);
+       ptr = __alloc_memory_core_early(MAX_NUMNODES, size, align,
+                                       goal, -1ULL);
+       if (!ptr && goal) {
+               goal = 0;
+               goto again;
+       }
+       return ptr;
 }
 
 void * __init __alloc_bootmem_node_high(pg_data_t *pgdat, unsigned long size,