[U-Boot] [PATCH] board_f: Only reserve memory for U-Boot if we're going to relocate

Simon Glass sjg at chromium.org
Thu Feb 22 16:18:24 UTC 2018


Hi Alexey,

On 20 February 2018 at 09:28, Alexey Brodkin
<Alexey.Brodkin at synopsys.com> wrote:
> Hi Simon,
>
> On Sun, 2018-02-04 at 06:40 -0700, Simon Glass wrote:
>> Hi Alexey,
>>
>> On 25 January 2018 at 10:56, Alexey Brodkin <Alexey.Brodkin at synopsys.com> wrote:
>> > In case of no relocation we'll just waste some paceat the very end
>>
>> space at?
>
> Sure, thanks for pointing out!
>
>>
>> > of usable memory area. If U-Boot is huge and we cannot use a lot of memory this
>>
>> What do you mean by 'U-Boot is huge'? How huge, and why would it be huge?
>
> I was talking about relative sizes of U-Boot compared to available RAM.
> Consider we have less than 1 Mb of RAM and U-Boot's size is ~200 kB - in that
> case looking 20% of RAM is not what we really want.
>
> In more typical case when we have tens, hundreds or thousands of megabytes of RAM
> essentially loosing even another megabyte makes not much sense :)
>
OK I see, so really is it the memory which is small, rather than
U-Boot that is huge? If so, can you please update the commit message?

Regards,
Simon


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