mm: Add alloc_bootmem_low_pages_nopanic()

We don't need to panic in some case, like for swiotlb preallocating.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Link: http://lkml.kernel.org/r/1359058816-7615-35-git-send-email-yinghai@kernel.org
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/mm/bootmem.c b/mm/bootmem.c
index b93376c39b61..2b0bcb019ec2 100644
--- a/mm/bootmem.c
+++ b/mm/bootmem.c
@@ -833,6 +833,14 @@ void * __init __alloc_bootmem_low(unsigned long size, unsigned long align,
         return ___alloc_bootmem(size, align, goal, ARCH_LOW_ADDRESS_LIMIT);
 }
 
+void * __init __alloc_bootmem_low_nopanic(unsigned long size,
+                                          unsigned long align,
+                                          unsigned long goal)
+{
+        return ___alloc_bootmem_nopanic(size, align, goal,
+                                        ARCH_LOW_ADDRESS_LIMIT);
+}
+
 /**
  * __alloc_bootmem_low_node - allocate low boot memory from a specific node
  * @pgdat: node to allocate from