Messages in this thread | | | Subject | Re: [PATCH 00/11] x86, memblock: Allocate memory near kernel image before SRAT parsed. | From | "H. Peter Anvin" <> | Date | Fri, 06 Sep 2013 08:47:45 -0700 |
| |
Specifically there are a bunch of things which need to be below a certain address (which one varies.)
Tejun Heo <tj@kernel.org> wrote: >Hello, Wanpeng. > >On Fri, Sep 06, 2013 at 04:58:11PM +0800, Wanpeng Li wrote: >> What's the root reason memblock alloc from high to low? To reduce >> fragmentation or ... > >Because low memory tends to be more precious, it's just easier to pack >everything towards the top so that we don't have to worry about which >zone to use for allocation and fallback logic. > >Thanks.
-- Sent from my mobile phone. Please pardon brevity and lack of formatting.
| |