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mm: nobootmem: panic on node-specific allocation failure 

__alloc_bootmem_node and __alloc_bootmem_low_node documentation claims
the functions panic on allocation failure.  Do it.

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Yinghai Lu <yinghai@kernel.org>
Acked-by: Tejun Heo <tj@kernel.org>
Acked-by: David S. Miller <davem@davemloft.net>
Cc: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Johannes Weiner 2012-05-29 15:06:35 -07:00 committed by Linus Torvalds
parent 421456edd2
commit 2c478eae96
1 changed files with 16 additions and 4 deletions
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20
mm/nobootmem.c
View File

@ -305,11 +305,17 @@ 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,
@ -407,6 +413,12 @@ 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;
}