Re: [PATCH v4 3/4] mm: Mark pages allocated through vmalloc

From: Kirill A. Shutemov
Date: Fri Mar 02 2018 - 03:20:34 EST


On Thu, Mar 01, 2018 at 01:15:22PM -0800, Matthew Wilcox wrote:
> From: Matthew Wilcox <mawilcox@xxxxxxxxxxxxx>
>
> Use a bit in page_type to mark pages which have been allocated through
> vmalloc. This can be helpful when debugging crashdumps or analysing
> memory fragmentation. Add a KPF flag to report these pages to userspace
> and update page-types.c to interpret that flag.
>
> Signed-off-by: Matthew Wilcox <mawilcox@xxxxxxxxxxxxx>

Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>

--
Kirill A. Shutemov