Thanks a lot for your explanation!
> On Wed, Oct 19, 2005 at 01:45:21PM -0700, Linus Torvalds wrote:
> > ...
> > Can you re-post the final version as such, with explanations for the
> > commit messages and the sign-off, and people who have issues with it
> > _please_ speak up asap?
>
> The final version which works for everyone is from Yasunori Goto.
>
> His patch introduces a limit parameter to the core bootmem allocator; This
> new parameter indicates that physical memory allocated by the bootmem allocator
> should be within the requested limit. The patch also introduces
> alloc_bootmem_low_pages_limit(), alloc_bootmem_node_limit,
> alloc_bootmem_low_pages_node_limit apis, but alloc_bootmem_low_pages_limit()
> is the only api used for swiotlb. IMO, instead of introducing xxx_limit apis,
> the existing alloc_bootmem_low_pages() api could instead be changed and made
> to pass right limit to the core allocator. But then that would make the
> patch more intrusive for 2.6.14, as other arches use alloc_bootmem_low_pages().
Yes. I worried a bit that I should replace all of the function or not.
But, its impact is too risky for 2.6.14. So, I wrote the patch to avoid
big impact as much as possible.
> (So maybe that can be done post 2.6.14 if Yasunori-san is OK with that)
Sure!
--
Yasunori Goto
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