__alloc_bootmem_node and __alloc_bootmem_low_node documentation claims
the functions panic on allocation failure. Do it.
Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx>
---
mm/nobootmem.c | 20 ++++++++++++++++----
1 file changed, 16 insertions(+), 4 deletions(-)
diff --git a/mm/nobootmem.c b/mm/nobootmem.c
index e53bb8a..b078ff8 100644
--- a/mm/nobootmem.c
+++ b/mm/nobootmem.c
@@ -306,11 +306,17 @@ again:
ptr = __alloc_memory_core_early(MAX_NUMNODES, size, align,
goal, -1ULL);
- if (!ptr && goal) {
+ if (ptr)
+ return ptr;
+
+ if (goal) {
goal = 0;
goto again;
}
- return ptr;
+
+ printk(KERN_ALERT "bootmem alloc of %lu bytes failed!\n", size);
+ panic("Out of memory");
+ return NULL;
}
void * __init __alloc_bootmem_node_high(pg_data_t *pgdat, unsigned long size,
@@ -408,6 +414,12 @@ void * __init __alloc_bootmem_low_node(pg_data_t *pgdat, unsigned long size,
if (ptr)
return ptr;
- return __alloc_memory_core_early(MAX_NUMNODES, size, align,
- goal, ARCH_LOW_ADDRESS_LIMIT);
+ ptr = __alloc_memory_core_early(MAX_NUMNODES, size, align,
+ goal, ARCH_LOW_ADDRESS_LIMIT);
+ if (ptr)
+ return ptr;
+
+ printk(KERN_ALERT "bootmem alloc of %lu bytes failed!\n", size);
+ panic("Out of memory");
+ return NULL;
}
--
1.7.10
--
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