Re: Weirdness in __alloc_bootmem_node_high

[Yinghai Lu]

On Fri, Apr 20, 2012 at 12:14 PM, Sam Ravnborg <sam@xxxxxxxxxxxx> wrote:
>
> I took a quick look at this.
> __alloc_bootmem_node_high() is used in mm/sparse.c - but only
> if SPARSEMEM_VMEMMAP is enabled.
>
> mips has this:
>
> config ARCH_SPARSEMEM_ENABLE
>        bool
>        select SPARSEMEM_STATIC
>
> So SPARSEMEM_VMEMMAP is not enabled.
>
> __alloc_bootmem_node_high() is used in mm/sparse-vmemmap.c which
> also depends on CONFIG_SPARSEMEM_VMEMMAP.
>
>
> So I really do not see the logic in __alloc_bootmem_node_high()
> being used anymore and it can be replaced by __alloc_bootmem_node()

Yes, you are right. __alloc_bootmem_node_high could be removed.

BTW, x86 is still the only one that use NO_BOOTMEM.

Are you working on making sparc to use NO_BOOTMEM?

Yinghai
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