Re: [PATCH] mm/percpu.c: use smarter memory allocation for struct pcpu_alloc_info

[Tejun Heo]

On Tue, Oct 03, 2017 at 04:57:44PM -0400, Nicolas Pitre wrote:
> This can be much smaller than a page on very small memory systems. 
> Always rounding up the size to a page is wasteful in that case, and 
> required alignment is smaller than the memblock default. Let's round 
> things up to a page size only when the actual size is >= page size, and 
> then it makes sense to page-align for a nicer allocation pattern.

Isn't that a temporary area which gets freed later during boot?

Thanks.

-- 
tejun