Re: x86: vmalloc and THP

Kirill A. Shutemov
2014-08-12T06:08:07Z

On Tue, Aug 12, 2014 at 08:00:54AM +0300, Oren Twaig wrote:
>

plain/text, please.

>Hello,
>
>Does memory allocated using vmalloc() will be mapped using huge
>pages either directly or later by THP ?

No. It's neither aligned properly, nor physically contiguous.

>If not, is there any fast way to change this behavior ? Maybe by
>changing the granularity/alignment of such allocations to allow such
>mapping ?

What's the point to use vmalloc() in this case?