Re: x86: vmalloc and THP
From: Kirill A. Shutemov
Date: Tue Aug 12 2014 - 02:08:11 EST
On Tue, Aug 12, 2014 at 08:00:54AM +0300, Oren Twaig wrote:
> <html style="direction: ltr;">
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?
--
Kirill A. Shutemov
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