Commit 4e1c2b28 authored by Committed by Linus Torvalds
mm: nobootmem: Correct alloc_bootmem semantics.
The comments above __alloc_bootmem_node() claim that the code will first try the allocation using 'goal' and if that fails it will try again but with the 'goal' requirement dropped. Unfortunately, this is not what the code does, so fix it to do so. This is important for nobootmem conversions to architectures such as sparc where MAX_DMA_ADDRESS is infinity. On such architectures all of the allocations done by generic spots, such as the sparse-vmemmap implementation, will pass in: __pa(MAX_DMA_ADDRESS) as the goal, and with the limit given as "-1" this will always fail unless we add the appropriate fallback logic here. Signed-off-by: David S. Miller <email@example.com> Acked-by: Yinghai Lu <firstname.lastname@example.org> Signed-off-by: Linus Torvalds <email@example.com>
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