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SubjectRe: Re: [PATCH] ARM: fix bug which VMALLOC_START is lowwer than 0xf0000000
On Thu, Sep 03, 2015 at 10:34:32AM +0200, Lucas Stach wrote:
> Am Donnerstag, den 03.09.2015, 17:28 +0900 schrieb Yongtaek Lee:
> > As i know "vmalloc=size" is not mandatory so that i think default value of
> > vmalloc_min is wrong.
> >
> So, if we go and apply your logic to a 1GB system we should resize the
> vmalloc area to 0 bytes in order to avoid RAM truncation without
> CONFIG_HIGHMEM?
>
> Sorry, but the only sane options here are to either live with the
> truncation, enable CONFIG_HIGHMEM, or set vmalloc size manually.
> Changing a default value that affects everyone for the benefit of your
> specific use-case isn't a sane option.

Exactly right.

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