On Fri, Oct 05, 2018 at 01:40:05PM +0530, Arun KS wrote:
> When free pages are done with higher order, time spend on
> coalescing pages by buddy allocator can be reduced. With
> section size of 256MB, hot add latency of a single section
> shows improvement from 50-60 ms to less than 1 ms, hence
> improving the hot add latency by 60%. Modify external
> providers of online callback to align with the change.
>
> Signed-off-by: Arun KS <aru...@codeaurora.org>
Looks good to me.
Reviewed-by: Oscar Salvador <osalva...@suse.de>
Just one thing below:
> @@ -1331,7 +1331,7 @@ void __init __free_pages_bootmem(struct page *page,
> unsigned long pfn,
> {
> if (early_page_uninitialised(pfn))
> return;
> - return __free_pages_boot_core(page, order);
> + return __free_pages_core(page, order);
__free_pages_core is void, so I guess we do not need that return there.
Probably the code generated is the same though.
--
Oscar Salvador
SUSE L3
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