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mm: Add alloc_bootmem_low_pages_nopanic()

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

Signed-off-by: Yinghai Lu <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: H. Peter Anvin <[email protected]>
This commit is contained in:
Yinghai Lu 2013-01-24 12:20:15 -08:00 • committed by H. Peter Anvin
commit 38fa4175e6
3 changed files with 21 additions and 0 deletions
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8
mm/bootmem.c
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@ -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