Re: [Patch] Allocate sparse vmemmap block above 4G

[Dave Hansen]

On Wed, 2007-11-07 at 15:07 +0800, Zou Nan hai wrote:
> Try to allocate sparse vmemmap block above 4G on x64 system.
> 
> On some single node x64 system with huge amount of physical memory e.g
> 64G. the memmap size maybe very big. 

Could we just change the default bootmem behavior to allocate top-down?

-- Dave

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