Re: C3600 kernel/64bit 4.* slow IO due to -mlong-calls
On Fri, Mar 16, 2018 at 10:44 AM, John David Anglin
<dave.anglin@bell.net> wrote:
> On 2018-03-16 1:29 PM, Matt Turner wrote:
>>
>> This week I succeeded in building a stripped-down kernel without
>> mlong-calls (in Gentoo), but was unable to get anything to link
>> without mlong-calls when CONFIG_PARISC_PAGE_SIZE_16KB=y.
>>
> I wouldn't recommend the above option. It affects alignment of some things
> in kernel
> and as you found it makes the kernel bigger. There are also some things in
> userspace
> that assume 4KB pages.
I expect we're past the point where there are any significant
obstacles to userspace support. Most platforms successfully support
multiple page sizes these days.
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