diff options
| author | Johannes Weiner <hannes@cmpxchg.org> | 2012-05-30 00:06:34 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-05-30 01:22:21 +0200 |
| commit | ab3818432294a19ad793a0965d89867b4ce6255b (patch) | |
| tree | 1cffc6d97b2735b9ce776874e02b35adfc890e5e /mm | |
| parent | mm: bootmem: split out goal-to-node mapping from goal dropping (diff) | |
| download | linux-ab3818432294a19ad793a0965d89867b4ce6255b.tar.xz linux-ab3818432294a19ad793a0965d89867b4ce6255b.zip | |
mm: bootmem: allocate in order node+goal, goal, node, anywhere
Match the nobootmem version of __alloc_bootmem_node. Try to satisfy both
the node and the goal, then just the goal, then just the node, then
allocate anywhere before panicking.
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Tejun Heo <tj@kernel.org>
Acked-by: David S. Miller <davem@davemloft.net>
Cc: Yinghai Lu <yinghai@kernel.org>
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>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/bootmem.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/mm/bootmem.c b/mm/bootmem.c index bafeb2c171c7..b5babdfb9ef8 100644 --- a/mm/bootmem.c +++ b/mm/bootmem.c @@ -704,6 +704,7 @@ static void * __init ___alloc_bootmem_node(bootmem_data_t *bdata, { void *ptr; +again: ptr = alloc_arch_preferred_bootmem(bdata, size, align, goal, limit); if (ptr) return ptr; @@ -712,7 +713,18 @@ static void * __init ___alloc_bootmem_node(bootmem_data_t *bdata, if (ptr) return ptr; - return ___alloc_bootmem(size, align, goal, limit); + ptr = alloc_bootmem_core(size, align, goal, limit); + if (ptr) + return ptr; + + if (goal) { + goal = 0; + goto again; + } + + printk(KERN_ALERT "bootmem alloc of %lu bytes failed!\n", size); + panic("Out of memory"); + return NULL; } /** |